Moparts Tech Archive

Rear Axle

Rear End Bearings & Seals Part Numbers

By the way, these are National seal numbers, and BCA bearing numbers. Dennis

8 3/4" 3rd member bearings.

741 case
Differential 57-early 69: 25590/25520
Differential Late 69-74: LM104949/LM104912
Pinion inner: HM89446/HM89410
Pinion outer:M88048/M88010
Seal: 8515N

742 case
Differential : 25590/25520
Pinion inner: HM803149/HM803110
Pinion outer: HM89443/HM89410
Seal: 7216

489 case
Differential: LM104949/LM104912
Pinion inner: M804049/M804010
Pinion outer: M88048/M88010
Seal: 5126

8 1/4"
Differential Early: LM102949/LM102910 (Til mid-75 with "S" on top of case)
Differential Late: A-36 (Mid-75-up, with large "L" on top of case)
Pinion inner: M802048/M802011
Pinion outer: M86649/M86610
Seal: 8516N

9 1/4"
Differential: JLM704649/JLM704610
Pinion inner: M804049/M804010
Pinion outer: M88048/M88010
Seal: 5126

Dana 60
Differential: 387A/382S
Pinion inner: HM803146/HM803110
Pinion outer: HM88542/HM88510
Seal: 6808N

Wheel Bearings & Seals

Wheel bearings: 8 3/4" and Dana 60 (car) : A-7
Wheel bearings: 8 1/4" and 9 1/4" : 6408 or RP6408 for the repair bearing.
Wheel seals: 8 3/4" and 70-72 Dana 60 inner 8695S, and outer 8704S.
Wheel seal inner: 66-70 B body Dana 60: 481837 and 8704S outer.
57-64 Wheel bearings, 8 3/4" : 25877/28521
57-64 Wheel seals : Inner w/Sure-grip 470487, and w/o Sure-Grip 450776
57-64 Wheel seals outer: 6241S