2021 Chevrolet Express 2500 Differential Pinion Gear - 12471687

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Part Number: 12471687 ; 3977344; 3993448

Differential Pinion Gear. Side Gear.
Differential Pinion Gear. Exc.Limited Slip Differential. Incl.Pinion Gears,Side Gears and Thrust Washers. Includes: Pinion Gears & Side Gears and 10.5" Ring Gear Includes Spider & Gears. Kit. Ring Gear 10.50".

Differential Pinion Gear

All Models; PINION GEAR. All Models; PINION GEAR; w/o Limited Slip. All Models; SIDE GEAR; w/o Limited Slip. All Models; w/o Limited Slip. All Models; w/o Limited Slip; 10.50. Express 2500; w/o Positraction; 10.5" Ring Gear. Express 3500; Single Rear Wheel; w/o Positraction; 10.5" Ring Gear. Express, Savana; Pinion Gear; w/o Limited Slip. Express, Savana; Side Gear; w/o Limited Slip. Express, Savana; w/Limited Slip; 9.50, 10.50. Savana 2500; w/o Positraction; 10.5" Ring Gear. Savana 3500; Single Rear Wheel; w/o Positraction; 10.5" Ring Gear. Silverado, Sierra; 10.50; w/o Limited Slip. Silverado, Sierra; 11.50; w/o Limited Slip.

Diagrams and Kits What This Fits

Assemblies

Rear axle. Differential. Propeller shaft.

#3

Express 2500; 37MM ID X 16MM Thick. Express 2500; 44.7MM ID X 22.7MM Wide. Express 2500; 6 Wheel Studs. Express 2500; 8 Wheel Studs. Express 2500; 9.50 Ring Gear; w/o Positraction. Express 2500; 9.50 Ring Gear; w/Positraction; 2.8L Diesel. Express 2500; 9.50 Ring Gear; w/Positraction; 4.3L. Express 2500; Dual Rear Wheel. Express 2500; Inner. Express 2500; One Piece; 6-Speed Trans. Express 2500; One Piece; 8-Speed Trans; 2.8L Diesel. Express 2500; One Piece; 8-Speed Trans; 4.3L. Express 2500; Outer. Express 2500; Single Rear Wheel. Express 2500; Two Piece Shaft. Express 2500; Two Piece; 6-Speed Trans; Front. Express 2500; Two Piece; 6-Speed Trans; Rear. Express 2500; Two Piece; 8-Speed Trans; 2.8L Diesel; Front. Express 2500; Two Piece; 8-Speed Trans; 2.8L Diesel; Rear. Express 2500; Two Piece; 8-Speed Trans; 4.3L; Front. Express 2500; Two Piece; 8-Speed Trans; 4.3L; Rear. Express 2500; w/o Positraction; 10.5" Ring Gear. Express 2500; w/o Positraction; 9.5" Ring Gear. Express 2500; w/Positraction; 2.8L Diesel. Express 2500; w/Positraction; 4.3L. Express 2500; w/Positraction; 6.6L.

Express 2500; w/o Positraction; 10.5" Ring Gear. Express 3500; Single Rear Wheel; w/o Positraction; 10.5" Ring Gear. Savana 2500; w/o Positraction; 10.5" Ring Gear. Savana 3500; Single Rear Wheel; w/o Positraction; 10.5" Ring Gear.

Fitment/Applications

This product fits 36159 vehicle variants.
Cadillac: 3 models, 30 variants between 1999 and 2006.
Chevrolet: 25 models, 17305 variants between 1988 and 2023.
GMC: 27 models, 18824 variants between 1988 and 2023.