1975 Checker Marathon Engine Parts

This table covers the Bolt kits. Read more

4 Bolt Kit parts for the 1975 Checker Marathon come from ARP.

Part numbers include ARP 5349701, ARP 5349801 and ARP 5349601, among others listed above.

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. Read more

9 Camshaft Bearing parts for the 1975 Checker Marathon come from 3 brands — DURA-BOND, MAHLE / CLEVITE and SEALED POWER. The "Popular" part is DURA-BOND CH8.

Part numbers include DURA-BOND CH8, MAHLE / CLEVITE SH290S and DURA-BOND CH11, among others listed above.

This table covers the Camshaft bolts. Read more

One part is listed for the 1975 Checker Marathon — ARP 1341001.

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. Read more

48 Connecting Rod Bearing parts for the 1975 Checker Marathon come from 4 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINE PRO and 1 other brand. The "Popular" part is MAHLE / CLEVITE CB745HN. High Performance and Standard Replacement are all represented, and High Performance alone accounts for 30 parts.

This table covers the Connecting Rod bolts. Read more

ARP supplies both parts for the 1975 Checker Marathon.

Listed part numbers: ARP 1346001 and ARP 1346003.

This table covers the Connecting Rod nuts. Read more

One part is listed for the 1975 Checker Marathon — DORMAN 635002.

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. Read more

6 Conversion / Lower Gasket Set parts for the 1975 Checker Marathon come from 5 brands — VICTOR REINZ, APEX, ENGINE PRO and 2 other brands.

Part numbers include APEX ACS3022, ENGINE PRO 3777332 and FEL-PRO CS80062, among others listed above.

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. Read more

19 Crankshaft Main Bearing parts are listed for the 1975 Checker Marathon, from KING ENGINE BEARINGS, MAHLE / CLEVITE, ENGINE PRO and 1 other brand. MAHLE / CLEVITE MS909H carries the "Popular" badge.

In the High Performance grade, KING ENGINE BEARINGS and MAHLE / CLEVITE supply 9 parts: engineered beyond original-equipment specification. A representative part number is MAHLE / CLEVITE MS909H.

The Standard Replacement section lists 3 options from MAHLE / CLEVITE and KING ENGINE BEARINGS — built to original-equipment specification. MAHLE / CLEVITE MS909A is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

2 Crankshaft Main Bearing Cap Bolt parts for the 1975 Checker Marathon come from ARP.

Part numbers include ARP 1345401 and ARP 1345601.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

3 Crankshaft Repair Sleeve parts are listed for the 1975 Checker Marathon, from NATIONAL, TIMKEN and WJB / INMOTION PARTS. All of them fit every engine offered in the 1975 Marathon.

Listed part numbers: NATIONAL 99176, TIMKEN KWK99176 and WJB / INMOTION PARTS WS99176.

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. Read more

14 Crankshaft Seal parts are listed for the 1975 Checker Marathon, from NATIONAL, WJB / INMOTION PARTS, MAHLE / CLEVITE and 6 other brands. FEL-PRO BS118291 carries the "Popular" badge. 11 parts fit every engine; the other 3 are engine-specific.

This table covers the bolts that clamp the cylinder head to the block. Read more

8 Cylinder Head Bolt parts for the 1975 Checker Marathon come from 4 brands — ARP, APEX, MAHLE / CLEVITE and 1 other brand. The "Popular" part is APEX AHB322.

This group includes APEX AHB322, ARP 1343601 and ARP 1343701 and the remaining parts above.

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. Read more

11 Cylinder Head Gasket parts for the 1975 Checker Marathon come from 5 brands — MAHLE / CLEVITE, FEL-PRO, VICTOR REINZ and 2 other brands. The "Popular" part is APEX AHG322.

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. Read more

9 Cylinder Head Gasket Set parts for the 1975 Checker Marathon come from 4 brands — MAHLE / CLEVITE, VICTOR REINZ, FEL-PRO and 1 other brand. The "Popular" part is FEL-PRO HS8006PT1.

Listed part numbers: FEL-PRO HS8006PT1, APEX AHS3022 and FEL-PRO HS8501PT3, plus the other parts above.

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. Read more

One part is listed for the 1975 Checker Marathon — DORMAN 116201.

This table covers the Cylinder Head Spacer shims. Read more

2 Cylinder Head Spacer Shim parts for the 1975 Checker Marathon come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: MAHLE / CLEVITE 55138 and VICTOR REINZ 711382900.

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. Read more

10 Engine Kit Gasket Set parts for the 1975 Checker Marathon come from 5 brands — ENGINE PRO, MAHLE / CLEVITE, VICTOR REINZ and 2 other brands. The "Popular" part is APEX AFS3022.

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. Read more

3 Exhaust Valve parts are listed for the 1975 Checker Marathon, from MAHLE / CLEVITE and SEALED POWER. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: MAHLE / CLEVITE 2112486, MAHLE / CLEVITE 2111679 and SEALED POWER V2032.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

6 Harmonic Balancer parts for the 1975 Checker Marathon come from ENGINE PRO. The "Popular" part is ENGINE PRO PB2221ST.

Listed part numbers: ENGINE PRO PB2221ST, ENGINE PRO PB1012ST and ENGINE PRO PB1046ST, plus the other parts above.

This table covers the Harmonic Balancer bolts. Read more

ARP supplies the 3 Harmonic Balancer Bolt parts for the 1975 Checker Marathon.

This group includes ARP 4306801, ARP 1342501 and ARP 2342501.

This table covers the wear sleeves used to restore a Harmonic Balancer seal surface. Read more

6 Harmonic Balancer Repair Sleeve parts are listed for the 1975 Checker Marathon, from NATIONAL, MAHLE / CLEVITE, BCA and 2 other brands. MAHLE / CLEVITE A228 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.

This group includes MAHLE / CLEVITE A228, NATIONAL 88176 and BCA NS5000 and the remaining parts above.

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. Read more

4 Intake & Exhaust Manifold Gasket Set parts for the 1975 Checker Marathon come from 3 brands — MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO MS9786, MAHLE / CLEVITE MS16033X and MAHLE / CLEVITE MS203, plus the other parts above.

This table covers the Intake Manifold bolts. Read more

4 Intake Manifold Bolt parts for the 1975 Checker Marathon come from ARP.

Listed part numbers: ARP 1342001, ARP 1342101 and ARP 4342001, plus the other parts above.

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. Read more

4 Intake Manifold Gasket parts for the 1975 Checker Marathon come from 3 brands — VICTOR REINZ, APEX and MAHLE / CLEVITE.

Part numbers include APEX AMS3221, MAHLE / CLEVITE MS15315 and VICTOR REINZ 111015801, among others listed above.

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. Read more

One part is listed for the 1975 Checker Marathon — VICTOR REINZ 711349200.

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. Read more

One part is listed for the 1975 Checker Marathon — MAHLE / CLEVITE 2112072.

This table covers the drain plugs in the oil pan. Read more

2 Oil Drain Plug parts are listed for the 1975 Checker Marathon, from AGS and DORMAN. All of them fit every engine offered in the 1975 Marathon.

Part numbers include AGS ODP00016 and DORMAN 090052.

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. Read more

7 Oil Drain Plug Gasket parts for the 1975 Checker Marathon come from 7 brands — MAHLE / CLEVITE, VICTOR REINZ, APEX and 4 other brands. The "Popular" part is MAHLE / CLEVITE 2051. 5 parts fit every engine; the other 2 are engine-specific.

This group includes MAHLE / CLEVITE 2051, VICTOR REINZ 711346200 and APEX ADP1902 and the remaining parts above.

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. Read more

9 Oil Filter parts are listed for the 1975 Checker Marathon, from BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 5 other brands. ACDELCO PF454 carries the "Popular" badge. All of them fit every engine offered in the 1975 Marathon.

In the Economy grade, BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is BOSCH 72238WS.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1111A.

The Standard Replacement section: 4 options from ACDELCO, WIX, BOSCH and 1 other brand. ACDELCO PF454 is listed in this group.

Part numbers include ACDELCO PF454, BOSCH 72238WS and CHAMP / LUBER-FINER PH454, among others listed above.

This table covers the Oil Pan bolts. Read more

ARP supplies the 5 Oil Pan Bolt parts for the 1975 Checker Marathon. ARP 2341802 carries the "Popular" badge.

This group includes ARP 2341802, ARP 4341802 and ARP 2341901 and the remaining parts above.

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. Read more

11 Oil Pan Gasket parts are listed for the 1975 Checker Marathon, from MAHLE / CLEVITE, VICTOR REINZ, APEX and 2 other brands. MAHLE / CLEVITE OS32457 carries the "Popular" badge.

This table covers the Oil Pump shafts. Read more

One part is listed for the 1975 Checker Marathon — ARP 1347901.

This table covers the Oil Pump Shaft Guide retainers. Read more

2 Oil Pump Shaft Guide / Retainer parts for the 1975 Checker Marathon come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.

This group includes MAHLE / CLEVITE H31354 and VICTOR REINZ 711403800.

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. Read more

12 Piston parts for the 1975 Checker Marathon come from 3 brands — SILV-O-LITE, MAHLE / CLEVITE and SEALED POWER. The "Popular" part is SILV-O-LITE 3437HC.

In the Premium grade, MAHLE / CLEVITE and SILV-O-LITE supply 7 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is SILV-O-LITE 3437HC.

Standard Replacement: 5 parts, from SILV-O-LITE and SEALED POWER. A representative part number is SILV-O-LITE 1479H.