1981 GMC P-Series Differentials
Select Your Submodel
Select Department
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Motive Gear® R12RMK - Rear Differential Master Bearing Kit$136.23 + Save an extra $10.00 with iD FastTrack -

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SKF® - Rear Differential Pinion Seal$15.03 - $16.63 -
ACDelco® - Gold™ Differential Carrier Bearing$11.32 - $26.96 -
WJB® - Rear Outer Differential Pinion Seal$2.13 - $3.59 -
Timken® - Rear Differential Bearing$15.14 - $59.30 -
Timken® - Rear Differential Pinion Bearing$22.17 - $63.04 -
Timken® - Rear Differential Pinion Seal$10.30 - $22.92 -

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iD Select® - Rear Differential Bearing$30.70 + Save an extra $1.50 with iD FastTrack -
iD Select® - Rear Differential Pinion Race$7.57 - $11.44 -

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WJB® - Rear Differential Pinion Bearing$8.83 - $19.19 -

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WJB® - Rear Differential Pinion Race$6.73 - $13.02 -
Timken® - Rear Differential Bearing and Seal Kit$96.03 - $181.14 -
Timken® - Rear Differential Pinion Race$11.64 - $38.36 -
Timken® - Rear Differential Race$8.35 - $24.52 -
SKF® - Rear Differential Bearing Race$10.12 - $30.59 -
SKF® - Rear Differential Pinion Bearing$18.35 - $262.79 -
SKF® - Rear Differential Rebuild Kit$178.08 - $269.90 -

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National® - Rear Differential Pinion Bearing$19.78 - $46.10 -
National® - Rear Differential Pinion Race$11.34 - $29.50


























