Buy OEM 2001 General Motors Part # 3977346 (03977346, 3873575). Differential Pinion Gear Thrust Washer. All Models; PINION WASHER. All Models; PINION WASHER; w/o Limited Slip. All Models; w/o Limited

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.

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.