Shop 1991 Buick Century Differential Ring and Pinion. All Models; 3.42 Ratio. All Models; 8.50, 8.625; 3 Ratio, Models, Gear, ESV - OEM Buick Part # 23114031 (12479129, 19180884, 23114028)

All Models; 1st Design. All Models; 2.73 Ratio. All Models; 2nd Design. All Models; 2WD. All Models; 3.08 Ratio. All Models; 3.42 Ratio. All Models; 3.73 Ratio. All Models; 4.10 Ratio. All Models; 4WD. All Models; Left. All Models; Right. All Models; w/Limited Slip; Left. All Models; w/Limited Slip; Pinion Gears. All Models; w/Limited Slip; Right. All Models; w/Limited Slip; Side Gears; Left. All Models; w/Limited Slip; Side Gears; Right. All Models; w/o Limited Slip.

All Models; 3.42 Ratio.

2WD; Chassis Pkg.. 2WD; Sport Chassis Pkg.. 3. 7L. 4WD/OFF Road Pkg. ; 2. 9. 4WD/OFF Road Pkg. ; 5. 3L. Canyon. Colorado; 1 Piece Drive Shaft; Front. Colorado; 1 Piece Drive Shaft; Rear. Colorado; 2 Piece Drive Shaft; Center. Colorado; 2 Piece Drive Shaft; Front. Colorado; 2 Piece Drive Shaft; Rear. Colorado; 2.9L. Colorado; 2WD; Extended & Crew Cab; 1 Piece Drive Shaft. Colorado; 2WD; Extended & Crew Cab; 2 Piece Drive Shaft; 1st Design. Colorado; 2WD; Extended & Crew Cab; 2 Piece Drive Shaft; 2nd Design. Colorado; 2WD; Standard Cab; 111.2 Wheelbase. Colorado; 2WD; Standard Cab; 125.9 Wheelbase; 1 Piece Drive Shaft. Colorado; 2WD; Standard Cab; 125.9 Wheelbase; 2 Piece Drive Shaft. Colorado; 2WD; w/o Off Road Pkg.; Left. Colorado; 2WD; w/o Off Road Pkg.; Right. Colorado; 2WD; w/Off Road Pkg.; Left. Colorado; 2WD; w/Off Road Pkg.; Right. Colorado; 3.42 Ratio; 5.3L. Colorado; 3.73 Ratio. Colorado; 4.10 Ratio; 5.3L. Colorado; 4WD; Left.

Canyon. Colorado; 3.42 Ratio; 5.3L.

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.

8.625; 3.42 Ratio. Sierra; 8.50. Silverado.

Avalanche; 2WD; 4 Speed M30 (4L60E). Avalanche; 2WD; 4 Speed M70 (4L70E). Avalanche; 2WD; All. Avalanche; 4WD; 4 Speed M30 (4L60E). Avalanche; 4WD; 4 Speed M70 (4L70E). Avalanche; 4WD; All. Escalade EXT; 8.625; 3.08 Ratio. Escalade EXT; 8.625; 3.42 Ratio. Escalade EXT; 8.625; 3.73 Ratio. Escalade EXT; 8.625; 4.10 Ratio. Escalade EXT; 8.625; Inner. Escalade EXT; 8.625; Left. Escalade EXT; 8.625; Outer. Escalade EXT; 8.625; Right. Escalade EXT; 8.625; w/o Limited Slip; 1st Design. Escalade EXT; 8.625; w/o Limited Slip; 2nd Design. Escalade EXT; 8.625; w/o Limited Slip; All. Escalade EXT; 9.50; 3.42 Ratio. Escalade EXT; 9.50; 3.73 Ratio. Escalade EXT; 9.50; 4.10 Ratio. Escalade EXT; 9.50; Inner. Escalade EXT; 9.50; Left. Escalade EXT; 9.50; Outer. Escalade EXT; 9.50; Right. Escalade EXT; 9.50; w/o Limited Slip. Escalade EXT; w/Limited Slip; 8.625.

Avalanche. Escalade EXT; 8.625; 3.42 Ratio.

PINION WASHERS; Express. Savana; 3.42 Ratio. Savana; 3.73 Ratio. Savana; 4L60E Trans. Savana; 4L80E Trans. Savana; Front. Savana; Left. Savana; Rear. Savana; Right. Savana; w/Limited Slip. Savana; w/o Limited Slip. SIDE WASHERS; Express.

Express. Savana; 3.42 Ratio.