1988 Chevrolet R20
All Submodels
All Engines
10.50 Dia R/Gr, TIMKEN Hm903249-Hm903210, Except Dana, 2ND Design, Axl Asms Do Have Cooling Fins On Carrier Housing, And Have Rear Pinion Bearing Od Of 3.75 In, For 1ST Des See 9426882
1988 Chevrolet R20 Suburban
All Submodels
All Engines
10.50 Dia R/Gr, TIMKEN Hm903249-Hm903210, Except Dana, 2ND Design, Axl Asms Do Have Cooling Fins On Carrier Housing, And Have Rear Pinion Bearing Od Of 3.75 In, For 1ST Des See 9426882
1988 Chevrolet R30
All Submodels
All Engines
10.50 Dia R/Gr, TIMKEN Hm903249-Hm903210, Except Dana, 2ND Design, Axl Asm Do Have Cooling Fins On Carrier Housing, And Have Rear Pinion Bearing Od Of 3.75 In, For 1ST Des See 9426882
1988 Chevrolet V30
All Submodels
All Engines
10.50 Dia R/Gr, TIMKEN Hm903249-Hm903210, Except Dana, 2ND Design, Axl Asm Do Have Cooling Fins On Carrier Housing, And Have Rear Pinion Bearing Od Of 3.75 In, For 1ST Des See 9426882
1988-1989 GMC R2500
All Submodels
All Engines
10.50 Dia R/Gr, TIMKEN Hm903249-Hm903210, Except Dana, 2ND Design, Axl Asms Do Have Cooling Fins On Carrier Housing, And Have Rear Pinion Bearing Od Of 3.75 In, For 1ST Des See 9426882