Buy 1998 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; 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; 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.

1 Ton; 10. 50. 1 Ton; 11. 50; 1 Ton. 1 Ton; 11. 50; 3/4 Ton. 1 Ton; 9. 50. 1 Ton; Crew Cab; 1 Piece; 153" Wheelbase. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Auto TRANS. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Manual Trans; W/6 Speed. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Manual Trans; W/O 6 Speed. 1 Ton; Crew Cab; 2 Piece; 167" Wheelbase. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Front; W/6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Front; W/O 6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Rear; W/6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Rear; W/O 6 Speed. 1 Ton; Extended Cab; 1 Piece; 157" Wheelbase. 1 Ton; Extended Cab; 2 Piece; Manual Trans; 5 Speed. 1 Ton; Extended Cab; 2 Piece; Manual Trans; 6 Speed. 1 Ton; Standard Cab; 1 Piece; W/6 Speed. 1 Ton; Standard Cab; 1 Piece; W/O 6 Speed. 11. 50; W/LIMITED Slip. 11. 50; W/O Limited Slip. 8. 625; 3. 08 Ratio. 8. 625; 3. 23 Ratio. 8. 625; 3. 42 Ratio. 8. 625; 3. 73 Ratio. 8. 625; 4. 10 Ratio. 8. 625; Left.

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.

AAGP. AAH2. Sierra; 10.50; Left. Sierra; 10.50; Right. 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; 11.50; w/o Wide Track. Sierra; 11.50; w/Wide Track. Sierra; 2500 Series; 10.50. Sierra; 2500 Series; 11.50. Sierra; 2500 Series; 2WD; 6L90 Trans; Allison 1000 Trans; Crew Cab; Long Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Allison 1000 Trans; Crew Cab; Short Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Allison 1000 Trans; Regular Cab. 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; Extended Cab; Long Wheelbase. Sierra; 2500 Series; 2WD; 6L90 Trans; Two Piece; Extended Cab; Short Wheelbase. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Crew Cab. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Extended Cab; Long Wheelbase. Sierra; 2500 Series; 4WD; 6L90 Trans; One Piece; Extended 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; Extended Cab.

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.

Express. Savana; 3.42 Ratio. Savana; 3.73 Ratio. Savana; 4.10 Ratio. Savana; 4.56 Ratio. Savana; Front. Savana; Inner. Savana; Left Side. Savana; Outer. Savana; Pinion Gear; w/Limited Slip. Savana; Pinion Gear; w/o Limited Slip. Savana; Pinion Washer; w/Limited Slip. Savana; Pinion Washer; w/o Limited Slip. Savana; Rear. Savana; Right Side. Savana; Side Gear; w/Limited Slip; Left. Savana; Side Gear; w/Limited Slip; Right. Savana; Side Gear; w/o Limited Slip. Savana; Side Washer; w/o Limited Slip. Savana; w/4L60E Trans. Savana; w/4L80E Trans. Savana; w/8.1L. Savana; w/Limited Slip. Savana; w/o 8.1L; w/Limited Slip. Savana; w/o 8.1L; w/o Limited Slip. Savana; w/o Limited Slip.

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.

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.