Shop Buick Century Differential Pinion Gear. All Models; PINION GEAR. All Models; PINION GEAR; w/o Slip, Models, Ring - OEM Buick Part # 12471687 (3977344, 3993448)

All Models; 3.42 Ratio. All Models; 3.73 Ratio. All Models; 4.10 Ratio. All Models; 4.56 Ratio. All Models; Inner. All Models; Left Side. All Models; Outer. All Models; PINION GEAR; w/Limited Slip. All Models; PINION GEAR; w/o Limited Slip. All Models; PINION WASHER; w/Limited Slip. All Models; PINION WASHER; w/o Limited Slip. All Models; Right Side. All Models; SIDE GEAR; w/Limited Slip; Left. All Models; SIDE GEAR; w/Limited Slip; Right. All Models; SIDE GEAR; w/o Limited Slip. All Models; SIDE WASHER; w/o Limited Slip. All Models; w/Limited Slip. All Models; w/o Limited Slip. G30 Vans; 3.21 Ratio. G30 Vans; 3.42 Ratio. G30 Vans; 3.73 Ratio. G30 Vans; 4.10 Ratio. G30 Vans; 4.56 Ratio. G30 Vans; Left Side. G30 Vans; Right Side. INNER; G30 Vans.

All Models; PINION GEAR. All Models; PINION GEAR; w/o Limited Slip. All Models; SIDE GEAR; w/o Limited Slip.

All Models; 3.42 Ratio. All Models; 3.73 Ratio. All Models; 4.10 Ratio. All Models; 4.56 Ratio. All Models; Left Side. All Models; Right. All Models; w/Limited Slip; Left. All Models; w/Limited Slip; Right. All Models; w/o Limited Slip.

All Models; w/o Limited Slip.

AACT. AACY. Crew Cab; 1/2 Ton. Crew Cab; 3/4 Ton. RY7. Sierra; 10.50; 3.73 Ratio. Sierra; 10.50; 4.10 Ratio. Sierra; 10.50; Left. Sierra; 10.50; Right. Sierra; 10.50; w/Limited Slip. Sierra; 10.50; w/o Limited Slip. Sierra; 11.50; 3.73 Ratio. Sierra; 11.50; 4.10 Ratio. Sierra; 11.50; w/Dual Rear Wheels. Sierra; 11.50; w/Limited Slip. Sierra; 11.50; w/o Dual Rear Wheels; 12000 lb Towing Capacity. Sierra; 11.50; w/o Dual Rear Wheels; 9900 lb Towing Capacity. Sierra; 11.50; w/o Limited Slip. Sierra; 1500 Series; One Piece; 2WD; 4L60E Trans; Crew Cab. Sierra; 1500 Series; One Piece; 2WD; 4L60E Trans; Standard Cab; 119.0". Sierra; 1500 Series; One Piece; 2WD; 4L60E Trans; Standard Cab; 133.0"; w/o Spd. Meter Calb.. Sierra; 1500 Series; One Piece; 2WD; 4L60E Trans; Standard Cab; 133.0"; w/Spd. Meter Calb.. Sierra; 1500 Series; One Piece; 2WD; 4L70E Trans. Sierra; 1500 Series; One Piece; 2WD; 6L80 Trans; 5.3L. Sierra; 1500 Series; One Piece; 2WD; 6L80 Trans; 6.2L. Sierra; 1500 Series; One Piece; 4WD; 4L60E.

Sierra; 10.50; w/o Limited Slip. Silverado.

Aagp. AAH2. Sierra; 10.50; w/Limited Slip. Sierra; 10.50; w/o Limited Slip. Sierra; 11.50; w/Limited Slip. Sierra; 11.50; w/o Limited Slip. Sierra; 2500 Series; 10.50. Sierra; 2500 Series; 11.50. Sierra; 2500 Series; 2WD; 6L90 Trans; Two Piece; Crew Cab; Long Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Two Piece; Crew Cab; Short Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Two Piece; Double Cab; Long Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Two Piece; Double Cab; Short Wheelbase. Sierra; 2500 Series; 2WD; Allison 1000 Trans; Crew Cab; Long Wheelbase. Sierra; 2500 Series; 2WD; Allison 1000 Trans; Crew Cab; Short Wheelbase. Sierra; 2500 Series; 2WD; Allison 1000 Trans; Regular Cab. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Crew Cab. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Double Cab; Long Wheelbase. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Double Cab; Short Wheelbase. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Regular Cab. Sierra; 2500 Series; 4WD; 6L90 Trans; Two Piece. Sierra; 2500 Series; 4WD; Allison 1000 Trans; One Piece; Crew Cab. Sierra; 2500 Series; 4WD; Allison 1000 Trans; One Piece; Double Cab. Sierra; 2500 Series; 4WD; Allison 1000 Trans; One Piece; Regular Cab. Sierra; 2500 Series; 4WD; Allison 1000 Trans; Two Piece. Sierra; 2500 Series; 6.0L; 3.73 Ratio; w/Limited Slip. Sierra; 2500 Series; 6.0L; 3.73 Ratio; w/o Limited Slip.

Sierra; 10.50; w/o Limited Slip. Sierra; 11.50; w/o Limited Slip. Silverado.

Express. Passenger Van; 135" Wheelbase. Passenger Van; 155" Wheelbase; Front. Passenger Van; 155" Wheelbase; Rear. Passenger Van; 155" Wheelbase; Yoke Kit. Savana; 1 Ton; 10.50. Savana; 1 Ton; 12 Bolt. Savana; 1 Ton; 139" Wheelbase; Cargo. Savana; 1 Ton; 139" Wheelbase; Commercial Cutaway; Dual Rear Wheel. Savana; 1 Ton; 139" Wheelbase; Commercial Cutaway; Single Rear Wheel; 4L80E Trans. Savana; 1 Ton; 139" Wheelbase; Commercial Cutaway; Single Rear Wheel; 4L85E Trans. Savana; 1 Ton; 14 Bolt. Savana; 1 Ton; 155" Wheelbase; 1 Piece Driveshaft. Savana; 1 Ton; 155" Wheelbase; 2 Piece Drive Shaft; Center. Savana; 1 Ton; 155" Wheelbase; 2 Piece Drive Shaft; Front. Savana; 1 Ton; 155" Wheelbase; 2 Piece Drive Shaft; Rear. Savana; 1 Ton; 159" Wheelbase; 1 Piece Drive Shaft. Savana; 1 Ton; 159" Wheelbase; 2 Piece Drive Shaft; Center. Savana; 1 Ton; 159" Wheelbase; 2 Piece Drive Shaft; Front. Savana; 1 Ton; 159" Wheelbase; 2 Piece Drive Shaft; Rear. Savana; 1 Ton; 177" Wheelbase; 1 Piece Drive Shaft. Savana; 1 Ton; 177" Wheelbase; Center. Savana; 1 Ton; 177" Wheelbase; Front. Savana; 1 Ton; 177" Wheelbase; Rear. Savana; 1 Ton; 9.50. Savana; 1 Ton; 9.75.

10.50. Express. Savana; w/Limited Slip; 9.50.