245 Engine parts are listed for the 1974 Checker Marathon, in 46 part types, covering both the 4.1L 250cid L6 and the 5.7L 350cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1974 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. 71 parts of the 245 listed are Connecting Rod Bearing (39 parts), Crankshaft Main Bearing (17 parts) and Valve Cover Gasket (15 parts). The other 43 part types cover the remaining 174 parts.
The 1974 Checker Marathon was sold with both the 4.1L 250cid L6 and the 5.7L 350cid V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
31 brands supply engine parts for the 1974 Checker Marathon, led by MAHLE / CLEVITE (47 parts), FEL-PRO (32 parts) and ARP (31 parts), plus 28 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 1974 Checker Marathon. 42 parts have it, including KING ENGINE BEARINGS CR807SI (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 1974 Checker Marathon.
Part numbers include ARP 5349701, ARP 5349801 and ARP 5349601, among others listed above.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| 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: 5.7L 350cid V8 | 1235M | 🇺🇸 US 🇨🇦 CA | Base Model or DeluxeBabbitt Style | View on Amazon |
| SEALED POWER Fits: 5.7L 350cid V8 | 1749M | 🇺🇸 US 🇨🇦 CA | Base Model or DeluxeAluminum or Bi-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.
4 Camshaft Bearing parts are listed for the 1974 Checker Marathon, from MAHLE / CLEVITE and SEALED POWER.
This group includes MAHLE / CLEVITE SH290S, MAHLE / CLEVITE SH1349S and SEALED POWER 1235M and the remaining parts 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 |
|---|---|---|---|---|
| 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: 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: 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: 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: 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: 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.
39 Connecting Rod Bearing parts are listed for the 1974 Checker Marathon, from MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINE PRO and 1 other brand. KING ENGINE BEARINGS CR807SI carries the "Popular" badge. Grades run from High Performance through Standard Replacement; High Performance is the most populated section, led by MAHLE / CLEVITE, KING ENGINE BEARINGS and ENGINE PRO.
Connecting Rod Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.7L 350cid V8 | 1346003 | 🇺🇸 US 🇨🇦 CA | Large Journal 3/8" | View on Amazon |
This table covers the Connecting Rod bolts.
This group shows a single part: 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 | Base Model or Deluxe | 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: 5.7L 350cid V8 | 081005601 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxewith 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.
5 Conversion / Lower Gasket Set parts are listed for the 1974 Checker Marathon, from APEX, ENGINE PRO, FEL-PRO and 2 other brands. APEX ACS3022 carries the "Popular" badge.
Listed part numbers: APEX ACS3022, ENGINE PRO 3777332 and FEL-PRO CS77332, plus the other 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 |
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.
17 Crankshaft Main Bearing parts for the 1974 Checker Marathon come from 4 brands — KING ENGINE BEARINGS, MAHLE / CLEVITE, ENGINE PRO 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.
3 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 1974 Checker Marathon.
This group includes ARP 1345401 and ARP 1345601.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 5.7L 350cid V8 | 99176 | 🇺🇸 US | Front0.563 IN Width | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.7L 350cid V8 | WS99176 | 🇺🇸 US | 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.
2 Crankshaft Repair Sleeve parts for the 1974 Checker Marathon come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
This group includes NATIONAL 99176 and WJB / INMOTION PARTS WS99176.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | BS40013 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | BS118291 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| NATIONAL Popular Fits: 5.7L 350cid V8 | 9845 | 🇺🇸 US | Front0.375 IN Width | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | ABS322 | 🇺🇸 US | Rear | View on Amazon |
| BCA Fits: 5.7L 350cid V8 | NS9845 | 🇺🇸 US 🇨🇦 CA | FrontBase Model or Deluxe | View on Amazon |
| NATIONAL Fits: 5.7L 350cid V8 | 5092 | 🇺🇸 US | RearSplit Type | View on Amazon |
| SCHAEFFLER Fits: 5.7L 350cid V8 | SS2784 | 🇺🇸 US 🇨🇦 CA | FrontBase Model or Deluxe | View on Amazon |
| SCHAEFFLER Fits: 5.7L 350cid V8 | SR3932 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 191006901 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 191011601 | 🇺🇸 US 🇨🇦 CA | SetRubber | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.7L 350cid V8 | WS5092 | 🇺🇸 US | Housing Bore: 3 InMaterial: Silicone | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.7L 350cid V8 | WS9845 | 🇺🇸 US | 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.
12 Crankshaft Seal parts for the 1974 Checker Marathon come from 7 brands — FEL-PRO, NATIONAL, SCHAEFFLER and 4 other brands. The "Popular" part is FEL-PRO BS40013.
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 1974 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: 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 | Base Model or Deluxewith High Performance Engine | 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 | Base Model or Deluxe0.045 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.
8 Cylinder Head Gasket parts are listed for the 1974 Checker Marathon, from FEL-PRO, APEX, ENGINE PRO and 2 other brands. FEL-PRO 7733PT2 carries the "Popular" badge.
Listed part numbers: FEL-PRO 7733PT2, FEL-PRO 501SD and APEX AHG322, plus the other parts above.
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: 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: 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: 5.7L 350cid V8 | 021007601 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxewith 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.
8 Cylinder Head Gasket Set parts are listed for the 1974 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE, APEX and 1 other brand. APEX AHS3022 carries the "Popular" badge.
This group includes APEX AHS3022, FEL-PRO HS7733PT2 and FEL-PRO HS7733SH2 and the remaining parts above.
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 | Base Model or Deluxe | View on Amazon |
This table covers the Cylinder Head Spacer shims.
2 Cylinder Head Spacer Shim parts are listed for the 1974 Checker Marathon, from MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: 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 |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | FS1178BJ | 🇺🇸 US 🇨🇦 CA | Contains Beaded Steel Cylinder Head GasketFull Gasket Set | 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.
8 Engine Kit Gasket Set parts are listed for the 1974 Checker Marathon, from ENGINE PRO, FEL-PRO, APEX and 2 other brands. FEL-PRO FS7733PT2 carries the "Popular" badge.
This group includes FEL-PRO FS7733PT2, FEL-PRO FS7733SH2 and APEX AFS3022 and the remaining parts above.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 2112486 | 🇺🇸 US 🇨🇦 CA | .341" STEM DIA1.500" HEAD DIA | 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.
This group shows a single part: MAHLE / CLEVITE 2112486.
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 1974 Checker Marathon. ENGINE PRO PB2221ST carries the "Popular" badge.
Listed part numbers: ENGINE PRO PB2221ST, ENGINE PRO PB1012ST and ENGINE PRO PB1046ST, plus the other parts 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 1974 Checker Marathon come from ARP.
Part numbers include ARP 4306801, ARP 1342501 and ARP 2342501.
Harmonic Balancer Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: 5.7L 350cid V8 | 88176 | 🇺🇸 US | Except flange tear line | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | 16202 | 🇺🇸 US 🇨🇦 CA | Base Model or DeluxeUse with Installation tool | View on Amazon |
| NATIONAL Fits: 5.7L 350cid V8 | 5000 | 🇺🇸 US 🇨🇦 CA | KitNitrile | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 711347500 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe | 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.
5 Harmonic Balancer Repair Sleeve parts for the 1974 Checker Marathon come from 4 brands — NATIONAL, FEL-PRO, VICTOR REINZ and 1 other brand. The "Popular" part is NATIONAL 88176.
Part numbers include NATIONAL 88176, FEL-PRO 16202 and NATIONAL 5000, 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 1974 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 |
|---|---|---|---|---|
| APEX Popular Fits: 5.7L 350cid V8 | AMS3221 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | MS903143 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | MS15315A | 🇺🇸 US 🇨🇦 CA | CompositeContains Two sets of crossover restrictors | 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 | 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 1974 Checker Marathon, from MAHLE / CLEVITE, APEX, FEL-PRO and 1 other brand. APEX AMS3221 carries the "Popular" badge.
This group includes APEX AMS3221, FEL-PRO MS903143 and MAHLE / CLEVITE MS15315A and the remaining parts above.
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: 5.7L 350cid V8 | ODP00016 | 🇺🇸 US 🇨🇦 CA | 1/2-20 | View on Amazon |
| DORMAN Fits: 5.7L 350cid V8 | 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 1974 Checker Marathon come from 2 brands — AGS and DORMAN.
Part numbers include AGS ODP00016 and DORMAN 090052.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | 70822 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe0.500 (In) Inside Diameter X 0.900 (In) Outside Diameter | View on Amazon |
| VICTOR REINZ Popular Fits: 5.7L 350cid V8 | 711346200 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe0.500 IN Inside Diameter | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | ADP1902 | 🇺🇸 US | View on Amazon | |
| DORMAN Fits: 5.7L 350cid V8 | 097022 | 🇺🇸 US 🇨🇦 CA | Nylon GasketSize | View on Amazon |
| NEEDA Fits: 5.7L 350cid V8 | 67270625 | 🇺🇸 US 🇨🇦 CA | Fits Gaskets Boxed 25 | View on Amazon |
| ULTRA-POWER Fits: 5.7L 350cid V8 | 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.
6 Oil Drain Plug Gasket parts are listed for the 1974 Checker Marathon, from FEL-PRO, VICTOR REINZ, APEX and 3 other brands. FEL-PRO 70822 carries the "Popular" badge.
Listed part numbers: FEL-PRO 70822, VICTOR REINZ 711346200 and APEX ADP1902, plus the other parts above.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 5.7L 350cid V8 | 72238WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| CHAMP / LUBER-FINER Fits: 5.7L 350cid V8 | PH454 | 🇺🇸 US | Anti-Drain Back Valve: YESSpin-On Filter. | View on Amazon |
| PRO-TEC Fits: 5.7L 350cid V8 | PXL51069 | 🇺🇸 US 🇨🇦 CA | Thread Size: 13/16-16 InSpin-On Filter | View on Amazon |
| VARIOUS MFR Fits: 5.7L 350cid V8 | PG5313 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 5.7L 350cid V8 | M1111A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 5.7L 350cid V8 | PF454 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentGasket Or Seal Included: YES | View on Amazon |
| WIX Popular Fits: 5.7L 350cid V8 | 51069 | 🇺🇸 US 🇨🇦 CA | Burst Pressure: 225 PSIStyle: Spin-On Lube Filter | View on Amazon |
| BOSCH Fits: 5.7L 350cid V8 | 3322 | 🇺🇸 US 🇨🇦 CA | Premium Oil Filter | View on Amazon |
| HASTINGS / BALDWIN Fits: 5.7L 350cid V8 | 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 1974 Checker Marathon come from 8 brands — BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 5 other brands. The "Popular" part is ACDELCO PF454.
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.
Listed part numbers: ACDELCO PF454, BOSCH 72238WS and CHAMP / LUBER-FINER PH454, plus the other 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 1974 Checker Marathon come from ARP. The "Popular" part is ARP 2341802.
Listed part numbers: ARP 2341802, ARP 4341802 and ARP 2341901, plus the other parts 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: 5.7L 350cid V8 | OS5197C4 | 🇺🇸 US 🇨🇦 CA | CorkExhaust Pipe Flange Gasket Included | 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 | Base Model or DeluxeRubber with Plastic Carrier | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 101017001 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe18 Bolt Pan | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 101010401 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxewith 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.
10 Oil Pan Gasket parts for the 1974 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 | Base Model or Deluxe | 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 | Base Model or DeluxeDistributor 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 1974 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes 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 |
| 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 |
| 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.
SILV-O-LITE supplies the 6 Piston parts for the 1974 Checker Marathon. SILV-O-LITE 3437HC carries the "Popular" badge.
The Premium section lists 2 options from SILV-O-LITE — a step above OE specification in materials, tolerances or warranty terms. SILV-O-LITE 3437HC is listed in this group.
The Standard Replacement section: 4 options from SILV-O-LITE. SILV-O-LITE 1479H is listed in this group.
This group includes SILV-O-LITE 3437HC, SILV-O-LITE 3437HCK1 and SILV-O-LITE 1479H and the remaining parts above.
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 1974 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: 5.7L 350cid V8 | S390T | 🇺🇸 US | 0.41 in Tooth Width | View on Amazon |
| FVP Fits: 5.7L 350cid V8 | S390T | 🇺🇸 US | View on Amazon | |
| INA Fits: 5.7L 350cid V8 | ZSS390T | 🇺🇸 US 🇨🇦 CA | 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.
5 Timing Cam Sprocket parts for the 1974 Checker Marathon come from 4 brands — S.A. GEAR, CLOYES, FVP and 1 other brand. The "Popular" part is CLOYES S390T.
This group includes CLOYES S390T and INA ZSS390T and the remaining parts above.
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 1974 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 1974 Checker Marathon, from CLOYES, FVP, INA and 1 other brand.
Listed part numbers: CLOYES C499 and INA ZCC499, plus the other parts 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 |
This table covers kits that group a timing chain with the related tensioners and guides.
5 Timing Chain & Component Kit parts for the 1974 Checker Marathon come from 5 brands — GATES, S.A. GEAR, SKP and 2 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.
Part numbers include CLOYES C3001K, GATES CHK196 and S.A. GEAR 73001, among others listed above.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| 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: 5.7L 350cid V8 | TCS45165 | 🇺🇸 US 🇨🇦 CA | with Sleeve 'N' Seal | 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.
5 Timing Cover Gasket parts for the 1974 Checker Marathon come from 3 brands — FEL-PRO, VICTOR REINZ and APEX. The "Popular" part is FEL-PRO TCS51241.
Part numbers include FEL-PRO TCS51241, APEX ATC3220 and FEL-PRO TCS45165, among others listed above.
Timing Cover Repair Sleeve Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.7L 350cid V8 | 16312 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe | 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 Crank Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 5.7L 350cid V8 | S391 | 🇺🇸 US | with 18 Teeth on Crankshaft | View on Amazon |
| FVP Fits: 5.7L 350cid V8 | S391 | 🇺🇸 US | with 18 Teeth on Crankshaft | View on Amazon |
| INA Fits: 5.7L 350cid V8 | ZSS391 | 🇺🇸 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.
4 Timing Crank Sprocket parts for the 1974 Checker Marathon come from 4 brands — CLOYES, FVP, INA and 1 other brand.
Part numbers include CLOYES S391 and INA ZSS391, 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 |
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.
15 Valve Cover Gasket parts for the 1974 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.
Valve Cover Load Spreader
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.7L 350cid V8 | ES72676 | 🇺🇸 US 🇨🇦 CA | Base Model or Deluxe | 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 | Base Model or Deluxe | View on Amazon |
This table covers the Valve Cover Load spreaders.
3 Valve Cover Load Spreader parts are listed for the 1974 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: 5.7L 350cid V8 | 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 1974 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 1974 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 1974 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. Every engine part here is 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 1974 Checker Marathon?
Our catalog currently lists 245 engine parts for the 1974 Checker Marathon across 46 subcategories and 31 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 1974 Checker Marathon engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 1974 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 1974 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 1974 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 1974 Checker Marathon
Engine Parts for Other Checker Marathon Years
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