The 1972 Checker Marathon has 335 engine parts with verified fitment on this page — 55 part types and 35 brands, covering both the 4.1L 250cid L6 and the 5.7L 350cid V8. Each part includes a manufacturer part number and application notes.
On the 1972 Checker Marathon, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 91 parts of the 335 listed are Connecting Rod Bearing (52 parts), Crankshaft Main Bearing (21 parts) and Valve Cover Gasket (18 parts). The other 52 part types cover the remaining 244 parts.
The 1972 Checker Marathon was sold with both the 4.1L 250cid L6 and the 5.7L 350cid V8. 35 parts fit every engine; the other 300 are engine-specific. Each part shows which engine(s) it fits.
35 brands supply engine parts for the 1972 Checker Marathon, led by MAHLE / CLEVITE (77 parts), FEL-PRO (42 parts) and VICTOR REINZ (37 parts), plus 32 more brands. Quality grades include Standard Replacement, High Performance and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1972 Checker Marathon. 53 parts have it, including MAHLE / CLEVITE CB745HN (Connecting Rod Bearing) and APEX ACS3022 (Conversion / Lower Gasket Set). Each part number opens a page with every vehicle that part fits.
Bolt Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 5349701 | 🇺🇸 US 🇨🇦 CA | Black Oxide12 Point Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 5349801 | 🇺🇸 US 🇨🇦 CA | Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 5349601 | 🇺🇸 US 🇨🇦 CA | Stainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 5349501 | 🇺🇸 US 🇨🇦 CA | Stainless Steel12 Point Bolt Head | View on Amazon |
This table covers the Bolt kits.
ARP supplies the 4 Bolt Kit parts for the 1972 Checker Marathon.
Listed part numbers: ARP 5349701, ARP 5349801 and ARP 5349601, plus the other parts above.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.1L 250cid L6 | CH11 | 🇺🇸 US 🇨🇦 CA | Late Models | View on Amazon |
| DURA-BOND Fits: 4.1L 250cid L6 | CH11B | 🇺🇸 US 🇨🇦 CA | (Special Oil Control Set with OD Groove) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | SH290S | 🇺🇸 US 🇨🇦 CA | Full Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | SH1349S | 🇺🇸 US 🇨🇦 CA | High PerformanceFull Set | View on Amazon |
| SEALED POWER Fits: 4.1L 250cid L6 | 1557M | 🇺🇸 US 🇨🇦 CA | (Size: Standard) | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 1235M | 🇺🇸 US 🇨🇦 CA | Babbitt StyleFull Round Design | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 1749M | 🇺🇸 US 🇨🇦 CA | AluminumBi-Metal | View on Amazon |
This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
7 Camshaft Bearing parts are listed for the 1972 Checker Marathon, from SEALED POWER, DURA-BOND and MAHLE / CLEVITE.
Part numbers include DURA-BOND CH11, DURA-BOND CH11B and MAHLE / CLEVITE SH290S, among others listed above.
Camshaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1341001 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Camshaft bolts.
This group shows a single part: ARP 1341001.
Connecting Rod Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | CB745HN | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 11663H | 🇺🇸 US 🇨🇦 CA | Performance H SeriesSet | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 11663HX | 🇺🇸 US 🇨🇦 CA | High PerformanceExtra Oil Clearance of .001 | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 11663HD | 🇺🇸 US 🇨🇦 CA | High Performancewith dowel hole | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 11663HC | 🇺🇸 US 🇨🇦 CA | High PerformanceCoated | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 11663HXC | 🇺🇸 US 🇨🇦 CA | High PerformanceCoated | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807HPND | 🇺🇸 US 🇨🇦 CA | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807HPNDX | 🇺🇸 US 🇨🇦 CA | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807XPN | 🇺🇸 US 🇨🇦 CA | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807XPNX | 🇺🇸 US 🇨🇦 CA | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807XPND | 🇺🇸 US 🇨🇦 CA | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807XPNDX | 🇺🇸 US 🇨🇦 CA | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745HXN | 🇺🇸 US 🇨🇦 CA | High Performance.001in Extra Oil Clearance / Narrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745HND | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745HNDC | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745HNC | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745HXNC | 🇺🇸 US 🇨🇦 CA | High Performance.001in Extra Oil Clearance / Narrowed / Coated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HN | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HND | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663FN | 🇺🇸 US 🇨🇦 CA | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663VN | 🇺🇸 US 🇨🇦 CA | High PerformanceNarrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663VXN | 🇺🇸 US 🇨🇦 CA | High Performance.001in Extra Oil Clearance / Narrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663FND | 🇺🇸 US 🇨🇦 CA | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663FXN | 🇺🇸 US 🇨🇦 CA | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663FXND | 🇺🇸 US 🇨🇦 CA | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HXN | 🇺🇸 US 🇨🇦 CA | High Performance.001in Extra Oil Clearance / Narrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HXND | 🇺🇸 US 🇨🇦 CA | High Performance.001 in Extra Oil Clearance / Narrowed / Doweled Connecting Rod | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HNC | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HXNC | 🇺🇸 US 🇨🇦 CA | High Performance.001in Extra Oil Clearance / Narrowed / Coated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB663HNDC | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: 5.7L 350cid V8 | CR807SI | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | CB745A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | CB745P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | CB663A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | CB663P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | CB663A8 | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | CB663P8 | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| SEALED POWER Popular Fits: 5.7L 350cid V8 | 2555CP | 🇺🇸 US 🇨🇦 CA | Overplated Copper-Lead Alloy | View on Amazon |
| KING ENGINE BEARINGS Fits: 4.1L 250cid L6 | CR624SI | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR865SI | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807SIX | 🇺🇸 US 🇨🇦 CA | Setbimetal (aluminum silicon base) | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745A6 | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | CB745P6 | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB1776A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Pair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CB1776A8 | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| SEALED POWER Fits: 4.1L 250cid L6 | 2020CP | 🇺🇸 US 🇨🇦 CA | Overplated Copper-Lead Alloy | View on Amazon |
| SEALED POWER Fits: 4.1L 250cid L6 | 62020CP | 🇺🇸 US 🇨🇦 CA | SetOverplated Copper-Lead Alloy | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 2555A | 🇺🇸 US 🇨🇦 CA | A-Series Aluminum BearingsStandard Shaft Minimum (Inch): 2.0990 In | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 82555A | 🇺🇸 US 🇨🇦 CA | SetA-Series aluminum bearings | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 82555CP | 🇺🇸 US 🇨🇦 CA | SetOverplated Copper-Lead Alloy | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807HPNX | 🇺🇸 US 🇨🇦 CA | Race bearings, Bimetal (Alecular)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | CR807HPN | 🇺🇸 US 🇨🇦 CA | SetRace bearings, Bimetal (Alecular) | View on Amazon |
This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
52 Connecting Rod Bearing parts are listed for the 1972 Checker Marathon, from MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 1 other brand. MAHLE / CLEVITE CB745HN carries the "Popular" badge. High Performance and Standard Replacement are all represented, and High Performance alone accounts for 30 parts.
Connecting Rod Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 4.1L 250cid L6 | 1346001 | 🇺🇸 US 🇨🇦 CA | Small Journal 11/32" | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1346003 | 🇺🇸 US 🇨🇦 CA | Large Journal 3/8" | View on Amazon |
This table covers the Connecting Rod bolts.
2 Connecting Rod Bolt parts for the 1972 Checker Marathon come from ARP.
This group includes ARP 1346001 and ARP 1346003.
Connecting Rod Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.7L 350cid V8 | 635002 | 🇺🇸 US | Thread Size: 3/8-24Hex: 9/16" | View on Amazon |
This table covers the Connecting Rod nuts.
This group shows a single part: DORMAN 635002.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.7L 350cid V8 | ACS3022 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.7L 350cid V8 | 3777332 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 4.1L 250cid L6 | CS80062 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 5.7L 350cid V8 | CS77332 | 🇺🇸 US 🇨🇦 CA | Multi-PieceRear Main Seal Not Included | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | CS1178 | 🇺🇸 US 🇨🇦 CA | Includes 2 Piece Rear Main Seal | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 081111701 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 081005601 | 🇺🇸 US 🇨🇦 CA | with 2 Piece Rear Main Seal | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
7 Conversion / Lower Gasket Set parts are listed for the 1972 Checker Marathon, from FEL-PRO, VICTOR REINZ, APEX and 2 other brands. APEX ACS3022 carries the "Popular" badge.
This group includes APEX ACS3022, ENGINE PRO 3777332 and FEL-PRO CS80062 and the remaining parts above.
Crankshaft Main Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | MS909H | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557HP | 🇺🇸 US 🇨🇦 CA | alecular (racing line)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557HPX | 🇺🇸 US 🇨🇦 CA | alecular (racing line)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557XPX | 🇺🇸 US 🇨🇦 CA | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557XP | 🇺🇸 US 🇨🇦 CA | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557XPC | 🇺🇸 US 🇨🇦 CA | pmaxkote (racing line), polymer coatedSet | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557XPCX | 🇺🇸 US 🇨🇦 CA | pmaxkote (racing line), polymer coatedSet | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | MS909HX | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | MS909HC | 🇺🇸 US 🇨🇦 CA | High PerformanceCoated | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | MS909A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.7L 350cid V8 | MS909P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| SEALED POWER Popular Fits: 5.7L 350cid V8 | 4663M | 🇺🇸 US 🇨🇦 CA | SetOverplated Copper-Lead Alloy | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.7L 350cid V8 | MB557SI | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 4663MA | 🇺🇸 US 🇨🇦 CA | SetA-Series aluminum bearings | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 5.7L 350cid V8 | 12909H | 🇺🇸 US 🇨🇦 CA | OE Replacement A SeriesSet | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 12909HX | 🇺🇸 US 🇨🇦 CA | Performance H Series +.001 Bearing OversizeSet | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 12909HC | 🇺🇸 US 🇨🇦 CA | Performance H Series CoatedSet | View on Amazon |
| KING ENGINE BEARINGS Fits: 4.1L 250cid L6 | MB752SI | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | MS617A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | MS617P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| SEALED POWER Fits: 4.1L 250cid L6 | 4124MA | 🇺🇸 US 🇨🇦 CA | SetA-Series aluminum bearings | View on Amazon |
This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
21 Crankshaft Main Bearing parts for the 1972 Checker Marathon come from 4 brands — KING ENGINE BEARINGS, MAHLE / CLEVITE, SEALED POWER and 1 other brand. The "Popular" part is MAHLE / CLEVITE MS909H.
The High Performance section lists 9 options from KING ENGINE BEARINGS and MAHLE / CLEVITE — engineered beyond original-equipment specification. MAHLE / CLEVITE MS909H is listed in this group.
In the Standard Replacement grade, MAHLE / CLEVITE, SEALED POWER and KING ENGINE BEARINGS supply 5 parts: built to original-equipment specification. A representative part number is MAHLE / CLEVITE MS909A.
7 further parts sit outside the graded sections, with the same engine-level match.
Crankshaft Main Bearing Cap Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1345401 | 🇺🇸 US 🇨🇦 CA | Stud2-Bolt | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1345601 | 🇺🇸 US 🇨🇦 CA | Stud4-Bolt | View on Amazon |
This table covers the Crankshaft Main Bearing Cap bolts.
ARP supplies both parts for the 1972 Checker Marathon.
This group includes ARP 1345401 and ARP 1345601.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1972 Marathon engines | 99176 | 🇺🇸 US 🇨🇦 CA | Front0.563 IN Width | View on Amazon |
| TIMKEN Fits: 4.1L 250cid L6 | KWK99176 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1972 Marathon engines | WS99176 | 🇺🇸 US 🇨🇦 CA | Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 In | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
3 Crankshaft Repair Sleeve parts for the 1972 Checker Marathon come from 3 brands — NATIONAL, TIMKEN and WJB / INMOTION PARTS. 2 parts fit every engine; the other 1 is engine-specific.
Part numbers include NATIONAL 99176, TIMKEN KWK99176 and WJB / INMOTION PARTS WS99176.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1972 Marathon engines | BS118291 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | BS40013 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| NATIONAL Popular Fits: all 1972 Marathon engines | 9845 | 🇺🇸 US 🇨🇦 CA | Front0.375 IN Width | View on Amazon |
| TIMKEN Popular Fits: 4.1L 250cid L6 | 9845 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | ABS322 | 🇺🇸 US | Rear | View on Amazon |
| BCA Fits: all 1972 Marathon engines | NS9845 | 🇺🇸 US 🇨🇦 CA | Front0.375 IN Width | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | JV1627 | 🇺🇸 US 🇨🇦 CA | RubberSet | View on Amazon |
| NATIONAL Fits: all 1972 Marathon engines | 5092 | 🇺🇸 US 🇨🇦 CA | RearSplit Type | View on Amazon |
| SCHAEFFLER Fits: all 1972 Marathon engines | SS2784 | 🇺🇸 US 🇨🇦 CA | Front9.53 mm Width | View on Amazon |
| SCHAEFFLER Fits: all 1972 Marathon engines | SR3932 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: all 1972 Marathon engines | 191006901 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: all 1972 Marathon engines | 191011601 | 🇺🇸 US 🇨🇦 CA | SetRubber | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1972 Marathon engines | WS5092 | 🇺🇸 US 🇨🇦 CA | Housing Bore: 3 InMaterial: Silicone | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1972 Marathon engines | WS9845 | 🇺🇸 US 🇨🇦 CA | Housing Bore: 2.4089999999999998 InInside Diameter: 1.7629999999999999 In | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
14 Crankshaft Seal parts for the 1972 Checker Marathon come from 9 brands — FEL-PRO, NATIONAL, SCHAEFFLER and 6 other brands. The "Popular" part is FEL-PRO BS118291. 10 parts fit every engine; the other 4 are engine-specific.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Popular Fits: 5.7L 350cid V8 | 1343601 | 🇺🇸 US 🇨🇦 CA | SetHex Bolt Head | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | ES72856 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AHB322 | 🇺🇸 US | Set | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1343701 | 🇺🇸 US 🇨🇦 CA | SetBlack Oxide | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1343703 | 🇺🇸 US 🇨🇦 CA | SetBlack Oxide Inner Rows, Stainless Steel Outer Row | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1343603 | 🇺🇸 US 🇨🇦 CA | SetStainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1344001 | 🇺🇸 US 🇨🇦 CA | Stud TypeHex Bolt Head | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 141004801 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
8 Cylinder Head Bolt parts are listed for the 1972 Checker Marathon, from ARP, FEL-PRO, APEX and 1 other brand. ARP 1343601 carries the "Popular" badge.
Part numbers include ARP 1343601, FEL-PRO ES72856 and APEX AHB322, among others listed above.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | 7733PT2 | 🇺🇸 US 🇨🇦 CA | Permatorque | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | 501SD | 🇺🇸 US 🇨🇦 CA | Permatorque Severe Duty | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AHG322 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.7L 350cid V8 | 281000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 4.1L 250cid L6 | 8006PT | 🇺🇸 US 🇨🇦 CA | Permatorque | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | 7733SH1 | 🇺🇸 US 🇨🇦 CA | with Embossed Steel Head Gaskets | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | 8651PT | 🇺🇸 US 🇨🇦 CA | with High Performance Engine | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 3829 | 🇺🇸 US 🇨🇦 CA | Composite | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 1178VC | 🇺🇸 US 🇨🇦 CA | Composite | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 611031900 | 🇺🇸 US 🇨🇦 CA | 0.045 IN Thick | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
10 Cylinder Head Gasket parts are listed for the 1972 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE, APEX and 2 other brands. FEL-PRO 7733PT2 carries the "Popular" badge.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.7L 350cid V8 | AHS3022 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | HS7733PT2 | 🇺🇸 US 🇨🇦 CA | 2-1/2 (In) Inside Diameter & 2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not Included.2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not Included | View on Amazon |
| FEL-PRO Fits: 4.1L 250cid L6 | HS8006PT1 | 🇺🇸 US 🇨🇦 CA | PermatorqueIncludes Valve Stem Seals | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | HS7733SH2 | 🇺🇸 US 🇨🇦 CA | with Embossed Steel Head Gaskets2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not Included | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | HS7733PT2VK | 🇺🇸 US 🇨🇦 CA | 2-1/2 (In) Inside Diameter & 2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not Included.Permatorque | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | HS7733SH2VK | 🇺🇸 US 🇨🇦 CA | 2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not Includedwith Embossed Steel Head Gaskets | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | HS1185E | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | HS1178BJ | 🇺🇸 US 🇨🇦 CA | Contains Beaded Steel Cylinder Head GasketIncludes Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | HS1178VJ | 🇺🇸 US 🇨🇦 CA | Contains Composite Cylinder Head Gasket, Exhaust Pipe Gasket Not IncludedIncludes Valve Stem Seals | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 021007801 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 021007601 | 🇺🇸 US 🇨🇦 CA | with Multi-Layer Steel Head Gasket | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
11 Cylinder Head Gasket Set parts are listed for the 1972 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 1 other brand. APEX AHS3022 carries the "Popular" badge.
Cylinder Head Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 4.1L 250cid L6 | 116201 | 🇺🇸 US 🇨🇦 CA | 1/4"-28 | View on Amazon |
This table covers the Cylinder Head plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
This group shows a single part: DORMAN 116201.
Cylinder Head Spacer Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 55138 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 711382900 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Cylinder Head Spacer shims.
2 Cylinder Head Spacer Shim parts are listed for the 1972 Checker Marathon, from MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include MAHLE / CLEVITE 55138 and VICTOR REINZ 711382900.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | FS7733PT2 | 🇺🇸 US 🇨🇦 CA | 2-17/32 (In) Inside Diameter Exhaust Pipe Packing Not IncludedOverhaul Set | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | FS7733SH2 | 🇺🇸 US 🇨🇦 CA | Overhaul SetRear Main Seal Not Included | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AFS3022 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.7L 350cid V8 | 301000 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.7L 350cid V8 | 311000 | 🇺🇸 US | FEL-Pro CO-Branded Performance Gasket Sets with Permatorque Steel Core Laminate Head Gaskets | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 311000MLS | 🇺🇸 US | FEL-Pro CO-Branded Perfomance Gasket Sets with MLS Head Gaskets | View on Amazon |
| FEL-PRO Fits: 4.1L 250cid L6 | FS8006PT4 | 🇺🇸 US 🇨🇦 CA | Overhaul SetPermatorque | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 953000 | 🇺🇸 US 🇨🇦 CA | Full Gasket Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | FS1178BJ | 🇺🇸 US 🇨🇦 CA | Contains Beaded Steel Cylinder Head GasketFull Gasket Set | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 011004001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 011004401 | 🇺🇸 US 🇨🇦 CA | Multi Layered Steel | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
11 Engine Kit Gasket Set parts are listed for the 1972 Checker Marathon, from FEL-PRO, ENGINE PRO, MAHLE / CLEVITE and 2 other brands. FEL-PRO FS7733PT2 carries the "Popular" badge.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: all 1972 Marathon engines | 2112486 | 🇺🇸 US 🇨🇦 CA | .341" STEM DIA1.500" HEAD DIA | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 2111679 | 🇺🇸 US 🇨🇦 CA | Tapered valve stemWafer Tip | View on Amazon |
This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
2 Exhaust Valve parts for the 1972 Checker Marathon come from MAHLE / CLEVITE. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: MAHLE / CLEVITE 2112486 and MAHLE / CLEVITE 2111679.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Popular Fits: 5.7L 350cid V8 | PB2221ST | 🇺🇸 US 🇨🇦 CA | High Performance Street Series Damper 6.75" OD | View on Amazon |
| ENGINE PRO Popular Fits: 5.7L 350cid V8 | PB1012ST | 🇺🇸 US 🇨🇦 CA | High Performance Street Series Damper 6.10" OD | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB1046ST | 🇺🇸 US 🇨🇦 CA | High Performance Street Series Damper 8.00" OD | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB2221SS | 🇺🇸 US 🇨🇦 CA | SFI Race Series Damper 6.75" Outside Diameter | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB1012SS | 🇺🇸 US 🇨🇦 CA | SFI Race Series Damper 6.10" Outside Diameter | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB1046SS | 🇺🇸 US 🇨🇦 CA | SFI Race Series Damper 8.00" Outside Diameter | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
ENGINE PRO supplies the 6 Harmonic Balancer parts for the 1972 Checker Marathon. ENGINE PRO PB2221ST carries the "Popular" badge.
Part numbers include ENGINE PRO PB2221ST, ENGINE PRO PB1012ST and ENGINE PRO PB1046ST, among others listed above.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 4306801 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ARP Fits: 5.7L 350cid V8 | 1342501 | 🇺🇸 US 🇨🇦 CA | 5/8 Socket Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 2342501 | 🇺🇸 US 🇨🇦 CA | 13/16 Socket Head | View on Amazon |
This table covers the Harmonic Balancer bolts.
3 Harmonic Balancer Bolt parts for the 1972 Checker Marathon come from ARP.
Listed part numbers: ARP 4306801, ARP 1342501 and ARP 2342501.
Harmonic Balancer Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1972 Marathon engines | 88176 | 🇺🇸 US 🇨🇦 CA | Except flange tear line | View on Amazon |
| FEL-PRO Fits: all 1972 Marathon engines | 16202 | 🇺🇸 US 🇨🇦 CA | Use with Installation Tool | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | A228 | 🇺🇸 US 🇨🇦 CA | Nickel Plated Formed Steel | View on Amazon |
| NATIONAL Fits: all 1972 Marathon engines | 5000 | 🇺🇸 US 🇨🇦 CA | KitNitrile | View on Amazon |
| VICTOR REINZ Fits: all 1972 Marathon engines | 711347500 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: 5.7L 350cid V8 | WS88176 | 🇺🇸 US | Material: Nickel Plated Formed Steel | View on Amazon |
This table covers the wear sleeves used to restore a Harmonic Balancer seal surface.
6 Harmonic Balancer Repair Sleeve parts for the 1972 Checker Marathon come from 5 brands — NATIONAL, FEL-PRO, MAHLE / CLEVITE and 2 other brands. The "Popular" part is NATIONAL 88176. 4 parts fit every engine; the other 2 are engine-specific.
Listed part numbers: NATIONAL 88176, FEL-PRO 16202 and MAHLE / CLEVITE A228, plus the other parts above.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 4.1L 250cid L6 | MS9786 | 🇺🇸 US 🇨🇦 CA | with Rectangular Exhaust Ports | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | MS16033X | 🇺🇸 US 🇨🇦 CA | Perforated Steel | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | MS203 | 🇺🇸 US 🇨🇦 CA | Intake and Exhaust Gasket SetSeparate Head & Intake Manifold | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 711473000 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Intake & Exhaust Manifold gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
4 Intake & Exhaust Manifold Gasket Set parts are listed for the 1972 Checker Marathon, from MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO MS9786, MAHLE / CLEVITE MS16033X and MAHLE / CLEVITE MS203, among others listed above.
Intake Manifold Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1342001 | 🇺🇸 US 🇨🇦 CA | Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1342101 | 🇺🇸 US 🇨🇦 CA | Black Oxide12 Point Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 4342001 | 🇺🇸 US 🇨🇦 CA | Stainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 4342101 | 🇺🇸 US 🇨🇦 CA | Stainless Steel12 Point Bolt Head | View on Amazon |
This table covers the Intake Manifold bolts.
ARP supplies the 4 Intake Manifold Bolt parts for the 1972 Checker Marathon.
Part numbers include ARP 1342001, ARP 1342101 and ARP 4342001, among others listed above.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | MS903142 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AMS3221 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | MS15315 | 🇺🇸 US 🇨🇦 CA | CompositeContains One Crossover Restrictor | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 111015801 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 111062601 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Intake Manifold Gasket parts are listed for the 1972 Checker Marathon, from VICTOR REINZ, FEL-PRO, APEX and 1 other brand. FEL-PRO MS903142 carries the "Popular" badge.
This group includes FEL-PRO MS903142, APEX AMS3221 and MAHLE / CLEVITE MS15315 and the remaining parts above.
Intake to Exhaust Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ Fits: 4.1L 250cid L6 | 711349200 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets that seal the Intake to Exhaust. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: VICTOR REINZ 711349200.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 2112072 | 🇺🇸 US 🇨🇦 CA | Intake Valve Carbureted Chrome | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
This group shows a single part: MAHLE / CLEVITE 2112072.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGS Fits: all 1972 Marathon engines | ODP00016 | 🇺🇸 US 🇨🇦 CA | 1/2-20 | View on Amazon |
| DORMAN Fits: all 1972 Marathon engines | 090052 | 🇺🇸 US 🇨🇦 CA | Pilot PointThread Size | View on Amazon |
This table covers the drain plugs in the oil pan.
2 Oil Drain Plug parts for the 1972 Checker Marathon come from 2 brands — AGS and DORMAN. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.
Part numbers include AGS ODP00016 and DORMAN 090052.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1972 Marathon engines | 70822 | 🇺🇸 US 🇨🇦 CA | 0.500 (in) Inside Diameter x 0.900 (in) Outside DiameterFlat Washer | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | 2051 | 🇺🇸 US 🇨🇦 CA | Composite | View on Amazon |
| VICTOR REINZ Popular Fits: all 1972 Marathon engines | 711346200 | 🇺🇸 US 🇨🇦 CA | 0.500 IN Inside Diameter | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | ADP1902 | 🇺🇸 US | View on Amazon | |
| DORMAN Fits: all 1972 Marathon engines | 097022 | 🇺🇸 US 🇨🇦 CA | Nylon GasketSize | View on Amazon |
| NEEDA Fits: all 1972 Marathon engines | 67270625 | 🇺🇸 US 🇨🇦 CA | Fits Gaskets Boxed 25 | View on Amazon |
| ULTRA-POWER Fits: all 1972 Marathon engines | 097022 | 🇺🇸 US 🇨🇦 CA | ID: 0.504"NYLON GASKET | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
7 Oil Drain Plug Gasket parts are listed for the 1972 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 4 other brands. FEL-PRO 70822 carries the "Popular" badge. 5 parts fit every engine; the other 2 are engine-specific.
Listed part numbers: FEL-PRO 70822, MAHLE / CLEVITE 2051 and VICTOR REINZ 711346200, plus the other parts above.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 1972 Marathon engines | 72238WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| CHAMP / LUBER-FINER Fits: all 1972 Marathon engines | PH454 | 🇺🇸 US 🇨🇦 CA | Anti-Drain Back Valve: YESSpin-On Filter. | View on Amazon |
| PRO-TEC Fits: all 1972 Marathon engines | PXL51069 | 🇺🇸 US 🇨🇦 CA | Thread Size: 13/16-16 InSpin-On Filter | View on Amazon |
| VARIOUS MFR Fits: all 1972 Marathon engines | PG5313 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: all 1972 Marathon engines | M1111A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1972 Marathon engines | PF454 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentGasket Or Seal Included: YES | View on Amazon |
| WIX Popular Fits: all 1972 Marathon engines | 51069 | 🇺🇸 US 🇨🇦 CA | Burst Pressure: 225 PSIStyle: Spin-On Lube Filter | View on Amazon |
| BOSCH Fits: all 1972 Marathon engines | 3322 | 🇺🇸 US 🇨🇦 CA | Premium Oil Filter | View on Amazon |
| HASTINGS / BALDWIN Fits: all 1972 Marathon engines | LF225 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
9 Oil Filter parts for the 1972 Checker Marathon come from 8 brands — BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 5 other brands. The "Popular" part is ACDELCO PF454. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.
The Economy section lists 4 options from BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 1 other brand — the catalog's value-priced group. BOSCH 72238WS is listed in this group.
The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1111A is listed in this group.
Standard Replacement: 4 parts, from ACDELCO, WIX, BOSCH and 1 other brand. A representative part number is ACDELCO PF454.
This group includes ACDELCO PF454, BOSCH 72238WS and CHAMP / LUBER-FINER PH454 and the remaining parts above.
Oil Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Popular Fits: 5.7L 350cid V8 | 2341802 | 🇺🇸 US 🇨🇦 CA | Black OxideHex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 4341802 | 🇺🇸 US 🇨🇦 CA | With Standard 2 Piece Cork GasketStainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 2341901 | 🇺🇸 US 🇨🇦 CA | Stainless SteelHex Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 2341902 | 🇺🇸 US 🇨🇦 CA | 12 Point Bolt Head | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 4341804 | 🇺🇸 US 🇨🇦 CA | With 1 Piece Rubber GasketStainless Steel Hex Bolt Head | View on Amazon |
This table covers the Oil Pan bolts.
5 Oil Pan Bolt parts for the 1972 Checker Marathon come from ARP. The "Popular" part is ARP 2341802.
Part numbers include ARP 2341802, ARP 4341802 and ARP 2341901, among others listed above.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | OS5197C2 | 🇺🇸 US 🇨🇦 CA | Cork | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | OS34509T | 🇺🇸 US 🇨🇦 CA | PermadryplusIncludes Snaps | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AOP322A | 🇺🇸 US | View on Amazon | |
| FEL-PRO Fits: 4.1L 250cid L6 | OS30126C1 | 🇺🇸 US 🇨🇦 CA | Multi-Piece | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | OS5197C4 | 🇺🇸 US 🇨🇦 CA | CorkExhaust Pipe Flange Gasket Included | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | OS30988X | 🇺🇸 US 🇨🇦 CA | Cork-Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | OS30568X | 🇺🇸 US 🇨🇦 CA | Cork-Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | OS30568XTC | 🇺🇸 US 🇨🇦 CA | Cork with Metal Carrier | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | OS32458 | 🇺🇸 US 🇨🇦 CA | Rubber with Plastic Carrier | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 101018501 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 101017001 | 🇺🇸 US 🇨🇦 CA | 18 Bolt PanExcept Exhaust Pipe Packing | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 101010401 | 🇺🇸 US 🇨🇦 CA | with Exhaust Pipe Packing | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 101007901 | 🇺🇸 US 🇨🇦 CA | Improved Design | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
13 Oil Pan Gasket parts for the 1972 Checker Marathon come from 4 brands — FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 1 other brand. The "Popular" part is FEL-PRO OS5197C2.
Oil Pump Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1347901 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump shafts.
This group shows a single part: ARP 1347901.
Oil Pump Shaft Guide / Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.7L 350cid V8 | 72665 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | H31354 | 🇺🇸 US 🇨🇦 CA | NylonRetainer Material: Plastic | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 711403800 | 🇺🇸 US 🇨🇦 CA | Distributor to oil pump shaft retainer | View on Amazon |
This table covers the Oil Pump Shaft Guide retainers.
3 Oil Pump Shaft Guide / Retainer parts are listed for the 1972 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO 72665, MAHLE / CLEVITE H31354 and VICTOR REINZ 711403800.
Piston
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SILV-O-LITE Popular Fits: 5.7L 350cid V8 | 3437HC | 🇺🇸 US 🇨🇦 CA | Hyper-CoatedOffset Pin Configuration | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 2241658 | 🇺🇸 US 🇨🇦 CA | Non-Coated Skirt | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 3437HCK1 | 🇺🇸 US 🇨🇦 CA | Hyper-CoatedOffset Pin Configuration | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SILV-O-LITE Popular Fits: 5.7L 350cid V8 | 1479H | 🇺🇸 US 🇨🇦 CA | HypereutecticOffset Pin Configuration | View on Amazon |
| SEALED POWER Fits: 4.1L 250cid L6 | 599P | 🇺🇸 US 🇨🇦 CA | Cast IronRing Groove Widths: 5/64in, 5/64in, 3/16in | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1472 | 🇺🇸 US 🇨🇦 CA | Offset Pin ConfigurationPress Pin Type | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1472K1 | 🇺🇸 US 🇨🇦 CA | Offset Pin ConfigurationPress Pin Type | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1479HK1 | 🇺🇸 US 🇨🇦 CA | HypereutecticOffset Pin Configuration | View on Amazon |
This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.
8 Piston parts are listed for the 1972 Checker Marathon, from SILV-O-LITE, MAHLE / CLEVITE and SEALED POWER. SILV-O-LITE 3437HC carries the "Popular" badge.
The Premium section lists 3 options from SILV-O-LITE and MAHLE / CLEVITE — a step above OE specification in materials, tolerances or warranty terms. SILV-O-LITE 3437HC is listed in this group.
The Standard Replacement section: 5 options from SILV-O-LITE and SEALED POWER. SILV-O-LITE 1479H is listed in this group.
Part numbers include SILV-O-LITE 3437HC, MAHLE / CLEVITE 2241658 and SILV-O-LITE 3437HCK1, among others listed above.
Piston Ring
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 40514CP | 🇺🇸 US 🇨🇦 CA | PremiumMaterial Cast Iron / Cast Iron / Stainless Steel | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | 50514CP | 🇺🇸 US 🇨🇦 CA | SetChrome Facing | View on Amazon |
| HASTINGS MANUFACTURING Fits: 4.1L 250cid L6 | 591 | 🇺🇸 US 🇨🇦 CA | Full SetPlain Cast Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: 4.1L 250cid L6 | 591S | 🇺🇸 US 🇨🇦 CA | 1 Cylinder SetPlain Cast Top Ring | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | S50514CP | 🇺🇸 US 🇨🇦 CA | Single Cylinder SetChrome Facing | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
5 Piston Ring parts are listed for the 1972 Checker Marathon, from MAHLE / CLEVITE and HASTINGS MANUFACTURING. MAHLE / CLEVITE 50514CP carries the "Popular" badge.
The Premium section: 1 option from MAHLE / CLEVITE. MAHLE / CLEVITE 40514CP is listed in this group.
The Standard Replacement section: 4 options from MAHLE / CLEVITE and HASTINGS MANUFACTURING. MAHLE / CLEVITE 50514CP is listed in this group.
Listed part numbers: MAHLE / CLEVITE 50514CP, MAHLE / CLEVITE 40514CP and HASTINGS MANUFACTURING 591, plus the other parts above.
Push Rod Cover Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 4.1L 250cid L6 | PS13228 | 🇺🇸 US 🇨🇦 CA | Includes GrommetsCork | View on Amazon |
This table covers the Push Rod Cover gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 1972 Checker Marathon — FEL-PRO PS13228.
Push Rod Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | PS38113 | 🇺🇸 US 🇨🇦 CA | Contains GrommetsCork-Rubber | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 181004401 | 🇺🇸 US 🇨🇦 CA | Cork | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 181005001 | 🇺🇸 US 🇨🇦 CA | RubberGasket Set | View on Amazon |
This table covers the Push Rod gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
3 Push Rod Gasket Set parts for the 1972 Checker Marathon come from 2 brands — VICTOR REINZ and MAHLE / CLEVITE.
This group includes MAHLE / CLEVITE PS38113, VICTOR REINZ 181004401 and VICTOR REINZ 181005001.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER Fits: 5.7L 350cid V8 | R869 | 🇺🇸 US 🇨🇦 CA | Rocker Arm Kit BUICKOHV | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
This group shows a single part: SEALED POWER R869.
Rocker Arm Stud
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1347103 | 🇺🇸 US 🇨🇦 CA | Installed Height 1.770?Adjuster Thread Length 0.670? | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1347104 | 🇺🇸 US 🇨🇦 CA | 3/8" With Roller Rocker | View on Amazon |
| ARP Fits: 5.7L 350cid V8 | 1347101 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ARP Fits: 5.7L 350cid V8 | 2347201 | 🇺🇸 US 🇨🇦 CA | 3/8-7/16" Rocker Arm Stud Kit | View on Amazon |
This table covers the Rocker Arm studs.
4 Rocker Arm Stud parts for the 1972 Checker Marathon come from ARP.
Listed part numbers: ARP 1347103, ARP 1347104 and ARP 1347101, plus the other parts above.
Timing Cam Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 4.1L 250cid L6 | 2524 | 🇺🇸 US 🇨🇦 CA | Cast | View on Amazon |
| CLOYES Popular Fits: 4.1L 250cid L6 | 2542 | 🇺🇸 US 🇨🇦 CA | FrontAdjustable: No | View on Amazon |
| CLOYES Popular Fits: 5.7L 350cid V8 | S390T | 🇺🇸 US | 0.41 in Tooth Width | View on Amazon |
| FVP Fits: 4.1L 250cid L6 | 2524 | 🇺🇸 US 🇨🇦 CA | with Light Duty Engine | View on Amazon |
| FVP Fits: 5.7L 350cid V8 | S390T | 🇺🇸 US | View on Amazon | |
| INA Fits: 4.1L 250cid L6 | ZS2524 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| INA Fits: 4.1L 250cid L6 | ZS2542 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| INA Fits: 5.7L 350cid V8 | ZSS390T | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 4.1L 250cid L6 | 2524 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| S.A. GEAR Fits: 4.1L 250cid L6 | 2542 | 🇺🇸 US 🇨🇦 CA | CAM | View on Amazon |
| S.A. GEAR Fits: 5.7L 350cid V8 | S390T | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 5.7L 350cid V8 | S390N | 🇺🇸 US 🇨🇦 CA | Nylon | View on Amazon |
This table covers the Timing Cam sprockets.
12 Timing Cam Sprocket parts for the 1972 Checker Marathon come from 4 brands — S.A. GEAR, CLOYES, INA and 1 other brand. The "Popular" part is CLOYES 2524.
Timing Camshaft Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 2341001 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Camshaft Gear bolts.
One part is listed for the 1972 Checker Marathon — ARP 2341001.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 5.7L 350cid V8 | C499 | 🇺🇸 US | Silent Chain | View on Amazon |
| FVP Fits: 5.7L 350cid V8 | C499 | 🇺🇸 US | Silent Chain.40 In./.41 In. Tooth Width | View on Amazon |
| INA Fits: 5.7L 350cid V8 | ZCC499 | 🇺🇸 US 🇨🇦 CA | Link Quantity: 46 | View on Amazon |
| S.A. GEAR Fits: 5.7L 350cid V8 | C499 | 🇺🇸 US 🇨🇦 CA | Chain | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
4 Timing Chain parts are listed for the 1972 Checker Marathon, from CLOYES, FVP, INA and 1 other brand.
Part numbers include CLOYES C499 and INA ZCC499, among others listed above.
Timing Chain & Component Kit
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 5.7L 350cid V8 | CHK196 | 🇺🇸 US 🇨🇦 CA | Includes Timing Chain, 2 Sprockets | View on Amazon |
| S.A. GEAR Fits: 5.7L 350cid V8 | 73001 | 🇺🇸 US 🇨🇦 CA | Includes Cam Sprocket, Chain, Crank Sprocket | View on Amazon |
| SKP Fits: 5.7L 350cid V8 | SKC3001K | 🇺🇸 US | Includes: Camshaft Sprocket, Crankshaft Sprocket, Chain | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 5.7L 350cid V8 | C3001K | 🇺🇸 US | Set Contains: Timing Chain, Crankshaft Sprocket, Camshaft SprocketSilent Chain | View on Amazon |
| INA Fits: 5.7L 350cid V8 | ZC1065K | 🇺🇸 US 🇨🇦 CA | Kit Contains 1 Chain, 1 Cam Sprocket, 1 Crank SprocketIncludes Chain Protect Additive | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Fits: 4.1L 250cid L6 | 2525S | 🇺🇸 US 🇨🇦 CA | Gear KitAluminum Cam Gear | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
6 Timing Chain & Component Kit parts for the 1972 Checker Marathon come from 6 brands — GATES, S.A. GEAR, SKP and 3 other brands. The "Popular" part is CLOYES C3001K.
The Economy section: 3 options from GATES, S.A. GEAR and SKP. GATES CHK196 is listed in this group.
Standard Replacement: 2 parts, from CLOYES and INA. A representative part number is CLOYES C3001K.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes CLOYES C3001K, GATES CHK196 and S.A. GEAR 73001 and the remaining parts above.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 4.1L 250cid L6 | TCS13198 | 🇺🇸 US 🇨🇦 CA | Repair Sleeve Not Included | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | TCS51241 | 🇺🇸 US 🇨🇦 CA | Repair Sleeve Not Included | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | ATC3220 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Fits: 4.1L 250cid L6 | TCS45264 | 🇺🇸 US 🇨🇦 CA | with Sleeve 'N' Seal | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | TCS45165 | 🇺🇸 US 🇨🇦 CA | with Sleeve 'N' Seal | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | JV1136 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 151025501 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 151017901 | 🇺🇸 US 🇨🇦 CA | SetDoes Not Include RTV | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151034001 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151026301 | 🇺🇸 US 🇨🇦 CA | SetDoes Not Include RTV | View on Amazon |
This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
10 Timing Cover Gasket parts for the 1972 Checker Marathon come from 4 brands — FEL-PRO, VICTOR REINZ, APEX and 1 other brand. The "Popular" part is FEL-PRO TCS13198.
Timing Cover Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: 4.1L 250cid L6 | SR3498 | 🇺🇸 US 🇨🇦 CA | 17.48 mm Width61.3 mm Outside Diameter | View on Amazon |
| SKF Fits: 4.1L 250cid L6 | 480177 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKF Fits: 4.1L 250cid L6 | 99176 | 🇺🇸 US 🇨🇦 CA | Shaft Diameter: 1.766 In | View on Amazon |
This table covers the wear sleeves used to restore a Timing Cover seal surface.
3 Timing Cover Repair Sleeve parts for the 1972 Checker Marathon come from 2 brands — SKF and SCHAEFFLER.
Listed part numbers: SCHAEFFLER SR3498, SKF 480177 and SKF 99176.
Timing Cover Repair Sleeve Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1972 Marathon engines | 16312 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Cover Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: FEL-PRO 16312.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: 4.1L 250cid L6 | 65022 | 🇺🇸 US 🇨🇦 CA | Rubber1/2" Wide | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | 49328 | 🇺🇸 US 🇨🇦 CA | Rubber3/8" Wide | View on Amazon |
| SCHAEFFLER Fits: 4.1L 250cid L6 | SS2784 | 🇺🇸 US 🇨🇦 CA | Front9.53 mm Width | View on Amazon |
| SKF Fits: 4.1L 250cid L6 | 17286 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 191035801 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
5 Timing Cover Seal parts for the 1972 Checker Marathon come from 4 brands — MAHLE / CLEVITE, SCHAEFFLER, SKF and 1 other brand. The "Popular" part is MAHLE / CLEVITE 65022.
Part numbers include MAHLE / CLEVITE 65022, MAHLE / CLEVITE 49328 and SCHAEFFLER SS2784, among others listed above.
Timing Crank Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 4.1L 250cid L6 | 2537 | 🇺🇸 US 🇨🇦 CA | Timing Crankshaft Gear | View on Amazon |
| CLOYES Fits: 4.1L 250cid L6 | 2501 | 🇺🇸 US 🇨🇦 CA | Light Duty Engine27 Teeth | View on Amazon |
| CLOYES Fits: 5.7L 350cid V8 | S391 | 🇺🇸 US | with 18 Teeth on Crankshaft | View on Amazon |
| FVP Fits: 4.1L 250cid L6 | 2537 | 🇺🇸 US 🇨🇦 CA | Outerwith Light Duty Engine | View on Amazon |
| FVP Fits: 5.7L 350cid V8 | S391 | 🇺🇸 US | with 18 Teeth on Crankshaft | View on Amazon |
| INA Fits: 4.1L 250cid L6 | ZS2501 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| INA Fits: 5.7L 350cid V8 | ZSS391 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 4.1L 250cid L6 | 2501 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 5.7L 350cid V8 | S391 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the crankshaft sprockets that drive the timing chain or belt.
9 Timing Crank Sprocket parts for the 1972 Checker Marathon come from 4 brands — CLOYES, FVP, INA and 1 other brand. The "Popular" part is CLOYES 2537.
This group includes CLOYES 2537, CLOYES 2501 and CLOYES S391 and the remaining parts above.
Timing Gear Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 4.1L 250cid L6 | 2525S | 🇺🇸 US 🇨🇦 CA | with Standard Duty Enginewith Aluminum Cam Gear | View on Amazon |
| FVP Fits: 4.1L 250cid L6 | 2525S | 🇺🇸 US 🇨🇦 CA | with Light Duty Engine | View on Amazon |
| INA Fits: 4.1L 250cid L6 | ZC2525S | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| S.A. GEAR Fits: 4.1L 250cid L6 | 2525S | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
This table covers the Timing Gear sets.
4 Timing Gear Set parts are listed for the 1972 Checker Marathon, from CLOYES, FVP, INA and 1 other brand.
Part numbers include CLOYES 2525S and INA ZC2525S, among others listed above.
Valve Cover Gasket
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | VS12869T | 🇺🇸 US 🇨🇦 CA | Permadryplus | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151057501 | 🇺🇸 US 🇨🇦 CA | SetImproved Design | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | VS12869 | 🇺🇸 US 🇨🇦 CA | Cork | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | VS12869R | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AVC322 | 🇺🇸 US | 5/32" Thick | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AVC322T | 🇺🇸 US | 7/32" Thick | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | VS12869AC | 🇺🇸 US 🇨🇦 CA | Cork | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | VS50265C | 🇺🇸 US 🇨🇦 CA | High Temperature DesignCork | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | VS38110 | 🇺🇸 US 🇨🇦 CA | Cork-RubberMounting Hole Quantity: 12 | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | VS38110R | 🇺🇸 US 🇨🇦 CA | SetMolded Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | VS38110TC | 🇺🇸 US 🇨🇦 CA | Cork with Metal CarrierMounting Hole Quantity: 8 | View on Amazon |
| ULTRA-POWER Fits: 5.7L 350cid V8 | VS12869 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151058701 | 🇺🇸 US 🇨🇦 CA | SetCork | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151050201 | 🇺🇸 US 🇨🇦 CA | SetHigh Temperature Design | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 151050101 | 🇺🇸 US 🇨🇦 CA | SetCork | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 4.1L 250cid L6 | VS131731 | 🇺🇸 US 🇨🇦 CA | Cork | View on Amazon |
| MAHLE / CLEVITE Fits: 4.1L 250cid L6 | VS39693 | 🇺🇸 US 🇨🇦 CA | Cork-Rubber | View on Amazon |
| VICTOR REINZ Fits: 4.1L 250cid L6 | 151054201 | 🇺🇸 US 🇨🇦 CA | Improved DesignSet | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
18 Valve Cover Gasket parts for the 1972 Checker Marathon come from 5 brands — FEL-PRO, VICTOR REINZ, MAHLE / CLEVITE and 2 other brands. The "Popular" part is FEL-PRO VS12869T.
Premium: 2 parts, from FEL-PRO and VICTOR REINZ. A representative part number is FEL-PRO VS12869T.
Standard Replacement: 13 parts, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 2 other brands. A representative part number is FEL-PRO VS12869.
3 further parts sit outside the graded sections, with the same engine-level match.
Valve Cover Load Spreader
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.7L 350cid V8 | ES72676 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | GS33825 | 🇺🇸 US 🇨🇦 CA | Engine Valve Cover Load Spreader SetSteel | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 181003401 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve Cover Load spreaders.
3 Valve Cover Load Spreader parts are listed for the 1972 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include FEL-PRO ES72676, MAHLE / CLEVITE GS33825 and VICTOR REINZ 181003401.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: all 1972 Marathon engines | 2173193 | 🇺🇸 US 🇨🇦 CA | ID 0.343"OD 0.502" | View on Amazon |
This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering.
This group shows a single part: MAHLE / CLEVITE 2173193.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 2131638 | 🇺🇸 US 🇨🇦 CA | Lifter Type: Hydraulic Flat TappetHydraulic | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
This group shows a single part: MAHLE / CLEVITE 2131638.
Valve Seat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 2187493 | 🇺🇸 US 🇨🇦 CA | Exhaust Valve Seat Carbureted | View on Amazon |
This table covers the Valve seats.
One part is listed for the 1972 Checker Marathon — MAHLE / CLEVITE 2187493.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | SS5112 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AVS3022 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | SS10058 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 121001801 | 🇺🇸 US 🇨🇦 CA | SetContains 8 Pieces | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 121004001 | 🇺🇸 US 🇨🇦 CA | SetContains 16 Pieces | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
5 Valve Stem Seal parts for the 1972 Checker Marathon come from 3 brands — FEL-PRO, VICTOR REINZ and APEX. The "Popular" part is FEL-PRO SS5112.
Listed part numbers: FEL-PRO SS5112, APEX AVS3022 and FEL-PRO SS10058, plus the other parts above.
Buying Engine Parts for a 1972 Checker Marathon
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Connecting Rod Bearing and Crankshaft Main Bearing .
Frequently Asked Questions
How many engine parts fit the 1972 Checker Marathon?
Our catalog currently lists 335 engine parts for the 1972 Checker Marathon across 55 subcategories and 35 brands, covering both the 4.1L 250cid L6 and the 5.7L 350cid V8. Each part is matched to the engine(s) it fits.
Do engine parts differ between 1972 Checker Marathon engines?
Some do. 35 parts fit every engine; the other 300 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 1972 Checker Marathon?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1972 Checker Marathon was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1972 Checker Marathon?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1972 Checker Marathon
Engine Parts for Other Checker Marathon Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.