1973 Checker Marathon Engine Parts

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

3 Camshaft Bearing parts for the 1973 Checker Marathon come from 2 brands — DURA-BOND and SEALED POWER.

This group includes DURA-BOND CH11, DURA-BOND CH11B and SEALED POWER 1557M.

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

13 Connecting Rod Bearing parts for the 1973 Checker Marathon come from 3 brands — MAHLE / CLEVITE, SEALED POWER and KING ENGINE BEARINGS. The "Popular" part is MAHLE / CLEVITE CB745HN.

The High Performance section lists 6 options from MAHLE / CLEVITE — engineered beyond original-equipment specification. MAHLE / CLEVITE CB745HN is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, SEALED POWER and KING ENGINE BEARINGS supply 7 parts: built to original-equipment specification. A representative part number is MAHLE / CLEVITE CB745A.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 1973 Checker Marathon — ARP 1346001.

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

2 Conversion / Lower Gasket Set parts for the 1973 Checker Marathon come from 2 brands — FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO CS80062 and VICTOR REINZ 081111701.

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

4 Crankshaft Main Bearing parts are listed for the 1973 Checker Marathon, from MAHLE / CLEVITE, KING ENGINE BEARINGS and SEALED POWER.

This group includes KING ENGINE BEARINGS MB752SI, MAHLE / CLEVITE MS617A and MAHLE / CLEVITE MS617P and the remaining parts above.

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

3 Crankshaft Repair Sleeve parts are listed for the 1973 Checker Marathon, from NATIONAL, TIMKEN and WJB / INMOTION PARTS.

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

12 Crankshaft Seal parts are listed for the 1973 Checker Marathon, from NATIONAL, SCHAEFFLER, VICTOR REINZ and 5 other brands. FEL-PRO BS118291 carries the "Popular" badge.

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

2 Cylinder Head Gasket parts for the 1973 Checker Marathon come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 8006PT and MAHLE / CLEVITE 3829.

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

3 Cylinder Head Gasket Set parts for the 1973 Checker Marathon come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include FEL-PRO HS8006PT1, MAHLE / CLEVITE HS1185E and VICTOR REINZ 021007801.

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 1973 Checker Marathon — DORMAN 116201.

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

3 Engine Kit Gasket Set parts for the 1973 Checker Marathon come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO FS8006PT4, MAHLE / CLEVITE 953000 and VICTOR REINZ 011004001.

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

MAHLE / CLEVITE supplies both parts for the 1973 Checker Marathon.

Listed part numbers: MAHLE / CLEVITE 2112486 and MAHLE / CLEVITE 2111679.

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

5 Harmonic Balancer Repair Sleeve parts are listed for the 1973 Checker Marathon, from NATIONAL, FEL-PRO, MAHLE / CLEVITE and 1 other brand. NATIONAL 88176 carries the "Popular" badge.

Listed part numbers: NATIONAL 88176, FEL-PRO 16202 and MAHLE / CLEVITE A228, plus the other 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 1973 Checker Marathon come from 3 brands — MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO MS9786, MAHLE / CLEVITE MS16033X and MAHLE / CLEVITE MS203 and the remaining parts 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 1973 Checker Marathon — VICTOR REINZ 711349200.

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

2 Oil Drain Plug parts are listed for the 1973 Checker Marathon, from AGS and DORMAN.

This group includes 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

6 Oil Drain Plug Gasket parts for the 1973 Checker Marathon come from 6 brands — MAHLE / CLEVITE, VICTOR REINZ, DORMAN and 3 other brands. The "Popular" part is MAHLE / CLEVITE 2051.

Listed part numbers: MAHLE / CLEVITE 2051, VICTOR REINZ 711346200 and DORMAN 097022, plus the other 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 1973 Checker Marathon, from BOSCH, CHAMP / LUBER-FINER, PRO-TEC and 5 other brands. ACDELCO PF454 carries the "Popular" badge.

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.

Listed part numbers: ACDELCO PF454, BOSCH 72238WS and CHAMP / LUBER-FINER PH454, plus the other 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

3 Oil Pan Gasket parts are listed for the 1973 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO OS30126C1, MAHLE / CLEVITE OS30988X and VICTOR REINZ 101018501.

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

2 Piston parts for the 1973 Checker Marathon come from 2 brands — MAHLE / CLEVITE and SEALED POWER.

In the Premium grade, MAHLE / CLEVITE supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is MAHLE / CLEVITE 2241658.

Standard Replacement: 1 part, from SEALED POWER. A representative part number is SEALED POWER 599P.

Listed part numbers: MAHLE / CLEVITE 2241658 and SEALED POWER 599P.

This table covers the rings that seal each piston to the cylinder wall. Read more

5 Piston Ring parts for the 1973 Checker Marathon come from 2 brands — MAHLE / CLEVITE and HASTINGS MANUFACTURING. The "Popular" part is MAHLE / CLEVITE 50514CP.

Premium: 1 part, from MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE 40514CP.

Standard Replacement: 4 parts, from MAHLE / CLEVITE and HASTINGS MANUFACTURING. A representative part number is MAHLE / CLEVITE 50514CP.

Listed part numbers: MAHLE / CLEVITE 50514CP, MAHLE / CLEVITE 40514CP and HASTINGS MANUFACTURING 591, plus the other parts above.

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. Read more

This group shows a single part: FEL-PRO PS13228.

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. Read more

3 Push Rod Gasket Set parts are listed for the 1973 Checker Marathon, from VICTOR REINZ and MAHLE / CLEVITE.

Part numbers include MAHLE / CLEVITE PS38113, VICTOR REINZ 181004401 and VICTOR REINZ 181005001.

This table covers the Timing Cam sprockets. Read more

7 Timing Cam Sprocket parts are listed for the 1973 Checker Marathon, from CLOYES, INA, S.A. GEAR and 1 other brand. CLOYES 2524 carries the "Popular" badge.

Part numbers include CLOYES 2524 and CLOYES 2542, among others listed above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

One part is listed for the 1973 Checker Marathon — ULTRA-POWER 2525S.

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. Read more

5 Timing Cover Gasket parts are listed for the 1973 Checker Marathon, from FEL-PRO, VICTOR REINZ and MAHLE / CLEVITE. FEL-PRO TCS13198 carries the "Popular" badge.

This group includes FEL-PRO TCS13198, FEL-PRO TCS45264 and MAHLE / CLEVITE JV1136 and the remaining parts above.

This table covers the wear sleeves used to restore a Timing Cover seal surface. Read more

3 Timing Cover Repair Sleeve parts are listed for the 1973 Checker Marathon, from SKF and SCHAEFFLER.

This group includes SCHAEFFLER SR3498, SKF 480177 and SKF 99176.

This table covers the Timing Cover Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 1973 Checker Marathon — FEL-PRO 16312.

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. Read more

5 Timing Cover Seal parts are listed for the 1973 Checker Marathon, from MAHLE / CLEVITE, SCHAEFFLER, SKF and 1 other brand. MAHLE / CLEVITE 65022 carries the "Popular" badge.

Listed part numbers: MAHLE / CLEVITE 65022, MAHLE / CLEVITE 49328 and SCHAEFFLER SS2784, plus the other parts above.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

5 Timing Crank Sprocket parts are listed for the 1973 Checker Marathon, from CLOYES, FVP, INA and 1 other brand. CLOYES 2537 carries the "Popular" badge.

This group includes CLOYES 2537 and CLOYES 2501 and the remaining parts above.

This table covers the Timing Gear sets. Read more

4 Timing Gear Set parts for the 1973 Checker Marathon come from 4 brands — CLOYES, FVP, INA and 1 other brand.

Part numbers include CLOYES 2525S and INA ZC2525S, among others listed above.

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. Read more

3 Valve Cover Gasket parts are listed for the 1973 Checker Marathon, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO VS131731, MAHLE / CLEVITE VS39693 and VICTOR REINZ 151054201.

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. Read more

One part is listed for the 1973 Checker Marathon — MAHLE / CLEVITE 2173193.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

One part is listed for the 1973 Checker Marathon — MAHLE / CLEVITE 2131638.

This table covers the Valve seats. Read more

This group shows a single part: MAHLE / CLEVITE 2187493.

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. Read more

4 Valve Stem Seal parts are listed for the 1973 Checker Marathon, from MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO SS5112, MAHLE / CLEVITE B45229 and MAHLE / CLEVITE SS45229, plus the other parts above.