1975 Checker Marathon Drivetrain Parts

This table covers the seals where an axle shaft exits the housing. 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

This group shows a single part: MOTIVE GEAR 51098.

This table covers the bearings and races that support the differential carrier. Read more

10 Differential Carrier Bearing / Race parts for the 1975 Checker Marathon come from 6 brands — WJB / INMOTION PARTS, TIMKEN, BCA and 3 other brands. The "Popular" part is TIMKEN 25523. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.

The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WT25523 is listed in this group.

In the Standard Replacement grade, TIMKEN, BCA, SCHAEFFLER and 2 other brands supply 8 parts: built to original-equipment specification. A representative part number is TIMKEN 25523.

This table covers the gaskets that seal the Differential 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

2 Differential Cover Gasket parts for the 1975 Checker Marathon come from 2 brands — FEL-PRO and VICTOR REINZ. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.

Part numbers include FEL-PRO RDS6629 and VICTOR REINZ 711481100.

This table covers the bearings and races on the differential pinion. Read more

21 Differential Pinion Bearing / Race parts are listed for the 1975 Checker Marathon, from WJB / INMOTION PARTS, TIMKEN, BCA and 3 other brands. NATIONAL 02872 carries the "Popular" badge. All of them fit every engine offered in the 1975 Marathon.

Economy: 4 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT02820.

The Standard Replacement section: 17 options from TIMKEN, BCA, NATIONAL and 2 other brands. NATIONAL 02872 is listed in this group.

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

This group shows a single part: WJB / INMOTION PARTS WS99155.

This table covers the seals at the differential pinion yoke. 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

7 Differential Pinion Seal parts for the 1975 Checker Marathon come from 5 brands — BCA, TIMKEN, SKF and 2 other brands. The "Popular" part is SKF 15788. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.

This group includes SKF 15788, WJB / INMOTION PARTS WS5778 and BCA NS5778 and the remaining parts above.

This table covers kits that group the bearings, races and seals for a differential rebuild. Read more

One part is listed for the 1975 Checker Marathon — WJB / INMOTION PARTS WKRA28.

This table covers the Drive Shaft Center Support 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

23 Drive Shaft Center Support Bearing parts are listed for the 1975 Checker Marathon, from DEA / MARMON RIDE CONTROL, WJB / INMOTION PARTS, BCA and 8 other brands. DEA / MARMON RIDE CONTROL A6056 carries the "Popular" badge. All of them fit every engine offered in the 1975 Marathon.

Economy: 10 parts, from DEA / MARMON RIDE CONTROL, WJB / INMOTION PARTS, WESTAR and 1 other brand. A representative part number is DEA / MARMON RIDE CONTROL A6056.

The Standard Replacement section: 13 options from BCA, ANCHOR, NATIONAL and 4 other brands. ANCHOR 6056 is listed in this group.

This table covers the Drive Shaft Center Support bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Drive Shaft Center Support Bushing parts are listed for the 1975 Checker Marathon, from ATP and PIONEER. All of them fit every engine offered in the 1975 Marathon.

This group includes ATP JB51 and PIONEER 755068.

This table covers the Transfer Case Low Gear Roller 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

One part is listed for the 1975 Checker Marathon — PIONEER 764014.

This table covers the U-joints in the driveshaft. Read more

37 Universal Joint parts for the 1975 Checker Marathon come from 6 brands — DANA, SKF, MOOG and 3 other brands. The "Popular" part is DANA 51310X. Grades run from Economy through Standard Replacement; Heavy Duty is the most populated section, led by DANA, MOOG, SKF and 2 other brands.

This table covers the Universal Joint Strap kits. Read more

2 Universal Joint Strap Kit parts for the 1975 Checker Marathon come from WJB / INMOTION PARTS. Every part fits both the 4.1L 250cid L6 and the 5.7L 350cid V8.

Part numbers include WJB / INMOTION PARTS UJT43710 and WJB / INMOTION PARTS UJT36010.

This table covers the Universal Joint U-Bolt kits. Read more

MOTIVE GEAR supplies both parts for the 1975 Checker Marathon. All of them fit every engine offered in the 1975 Marathon.

This group includes MOTIVE GEAR MGUB1310 and MOTIVE GEAR MGUB1310XL.