1980 Checker Marathon Engine Parts

This table covers the Bolt kits. Read more

4 Bolt Kit parts for the 1980 Checker Marathon come from ARP.

Listed part numbers: ARP 5349701, ARP 5349801 and ARP 5349601, plus the other parts 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

13 Camshaft Bearing parts for the 1980 Checker Marathon come from 4 brands — DURA-BOND, SEALED POWER, MAHLE / CLEVITE and 1 other brand. The "Popular" part is DURA-BOND CH17.

This table covers the Camshaft bolts. Read more

One part is listed for the 1980 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

45 Connecting Rod Bearing parts for the 1980 Checker Marathon come from 4 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINE PRO and 1 other brand. The "Popular" part is MAHLE / CLEVITE CB1227H. High Performance and Standard Replacement are all represented, and High Performance alone accounts for 27 parts.

This table covers the Connecting Rod nuts. Read more

One part is listed for the 1980 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 1980 Checker Marathon come from 4 brands — MAHLE / CLEVITE, VICTOR REINZ, ENGINE PRO and 1 other brand.

This group includes ENGINE PRO 3777332, FEL-PRO CS77332 and MAHLE / CLEVITE CS3925 and the remaining parts 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

26 Crankshaft Main Bearing parts are listed for the 1980 Checker Marathon, from KING ENGINE BEARINGS, MAHLE / CLEVITE, SEALED POWER and 1 other brand. MAHLE / CLEVITE MS909H carries the "Popular" badge. Grades run from High Performance through Standard Replacement; High Performance is the most populated section, led by KING ENGINE BEARINGS and MAHLE / CLEVITE.

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

2 Crankshaft Main Bearing Cap Bolt parts for the 1980 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 1980 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

14 Crankshaft Seal parts are listed for the 1980 Checker Marathon, from FEL-PRO, NATIONAL, MAHLE / CLEVITE and 5 other brands. FEL-PRO BS40013 carries the "Popular" badge.

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

9 Cylinder Head Bolt parts for the 1980 Checker Marathon come from 4 brands — ARP, MAHLE / CLEVITE, FEL-PRO and 1 other brand. The "Popular" part is ARP 1343601.

Listed part numbers: ARP 1343601, FEL-PRO ES72856 and ARP 1343701, plus the other 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

6 Cylinder Head Gasket parts for the 1980 Checker Marathon come from 3 brands — MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 8721PT, FEL-PRO 8670PT and MAHLE / CLEVITE 5745, plus the other parts above.

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

4 Cylinder Head Gasket Set parts for the 1980 Checker Marathon come from 3 brands — MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO HS8721PT, MAHLE / CLEVITE HS3564BS and MAHLE / CLEVITE HS3514VJ, 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

DORMAN supplies both parts for the 1980 Checker Marathon.

This group includes DORMAN 116201 and DORMAN 116203.

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 1980 Checker Marathon come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: MAHLE / CLEVITE FS3564VC, MAHLE / CLEVITE 953045 and VICTOR REINZ 011027101.

This table covers the Harmonic Balancer bolts. Read more

ARP supplies the 3 Harmonic Balancer Bolt parts for the 1980 Checker Marathon.

Part numbers include 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 1980 Checker Marathon, from NATIONAL, MAHLE / CLEVITE, BCA and 2 other brands. MAHLE / CLEVITE A228 carries the "Popular" badge.

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

This table covers the Intake Manifold bolts. Read more

4 Intake Manifold Bolt parts for the 1980 Checker Marathon come from ARP.

This group includes ARP 1342001, ARP 1342101 and ARP 4342001 and the remaining 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

8 Intake Manifold Gasket parts for the 1980 Checker Marathon come from 4 brands — VICTOR REINZ, FEL-PRO, MAHLE / CLEVITE and 1 other brand. The "Popular" part is FEL-PRO MS903142.

Listed part numbers: FEL-PRO MS903142, FEL-PRO MS90391 and MAHLE / CLEVITE MS15224, plus the other parts above.

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 1980 Checker Marathon — MAHLE / CLEVITE 2112357.

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

2 Oil Drain Plug parts are listed for the 1980 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 1980 Checker Marathon come from 6 brands — MAHLE / CLEVITE, VICTOR REINZ, DORMAN and 3 other brands. The "Popular" part is MAHLE / CLEVITE 2051.

This group includes MAHLE / CLEVITE 2051, VICTOR REINZ 711346200 and DORMAN 097022 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

17 Oil Filter parts are listed for the 1980 Checker Marathon, from CHAMP / LUBER-FINER, BOSCH, VARIOUS MFR and 5 other brands. CHAMP / LUBER-FINER PH47 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, VARIOUS MFR, BOSCH and 2 other brands supply 7 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH47.

In the High Performance / Heavy Duty grade, MOBIL and ACDELCO supply 3 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO UPF47R.

The Standard Replacement section lists 7 options from ACDELCO, BOSCH, WIX and 2 other brands — built to original-equipment specification. ACDELCO PF47E is listed in this group.

This table covers the Oil Pan bolts. Read more

ARP supplies the 5 Oil Pan Bolt parts for the 1980 Checker Marathon. ARP 2341802 carries the "Popular" badge.

Part numbers include ARP 2341802, ARP 4341802 and ARP 2341901, among others listed 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 1980 Checker Marathon, from MAHLE / CLEVITE, FEL-PRO, VICTOR REINZ and 1 other brand. FEL-PRO OS34510T carries the "Popular" badge.

This table covers the pickup tubes and screens that feed the oil pump. Read more

This group shows a single part: MAHLE / CLEVITE 6015035.

This table covers the Oil Pump shafts. Read more

One part is listed for the 1980 Checker Marathon — ARP 1347901.

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

3 Oil Pump Shaft Guide / Retainer parts for the 1980 Checker Marathon come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include FEL-PRO 72665, 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

8 Piston parts for the 1980 Checker Marathon come from SILV-O-LITE. The "Popular" part is SILV-O-LITE 3444.

In the Premium grade, SILV-O-LITE supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is SILV-O-LITE 3492CK1.

Standard Replacement: 6 parts, from SILV-O-LITE. A representative part number is SILV-O-LITE 3444.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes SILV-O-LITE 3444, SILV-O-LITE 3492CK1 and SILV-O-LITE 3444K1 and the remaining parts above.

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

This group shows a single part: MAHLE / CLEVITE 51245.

This table covers the Rocker Arm studs. Read more

ARP supplies the 4 Rocker Arm Stud parts for the 1980 Checker Marathon.

Listed part numbers: ARP 1347103, ARP 1347104 and ARP 1347101, plus the other parts above.

This table covers the Timing Cam sprockets. Read more

5 Timing Cam Sprocket parts are listed for the 1980 Checker Marathon, from S.A. GEAR, CLOYES, FVP and 1 other brand. CLOYES S390T carries the "Popular" badge.

This group includes CLOYES S390T and INA ZSS390T and the remaining parts above.

This table covers the Timing Camshaft Gear bolts. Read more

This group shows a single part: ARP 2341001.

This table covers the timing chains that keep the cams in time with the crank. Read more

4 Timing Chain parts for the 1980 Checker Marathon come from 4 brands — CLOYES, FVP, INA and 1 other brand.

Part numbers include CLOYES C499 and INA ZCC499, among others listed above.