2012 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T RWD WT Standard Cab Pickup Fleetside Differential Pinion Seal (Front, Rear) - 84428304

Select a Vehicle

2012 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T RWD WT Standard Cab Pickup Fleetside

Your Cart

View Cart

Find Parts That Fit:

Differential Pinion Seal (Front, Rear)

Part Number: 84428304
Supersession(s): 84446322

View Differential Pinion Seal (Front, Rear) Full-Sized Product Image 1 of 1

Seal. Pinion.
Code-SU4. Differential Pinion Seal. Differential. Yoke.

Differential Pinion Seal

Canyon. Colorado. Silverado, Sierra; 8.6" Ring Gear. Silverado, Sierra; Supplier A (SU4). Suburban; Supplier A. Yukon XL; Supplier A. Yukon; Supplier A.
Differential Pinion Seal - Repair or Replace
If you have a leaking differential pinion seal, a technician will remove the driveshaft from your 2012 GMC Sierra 2500 HD and replaced it with the most up-to-date OEM replacement available.

REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT.

Full Diagram

9. 76" Ring Gear; 2. 7L; W/LIMITED Slip. 9. 76" Ring Gear; 2. 7L; W/O Limited Slip. 9. 76" Ring Gear; 4. 3L. 9. 76" Ring Gear; 5. 3L; W/LIMITED Slip. 9. 76" Ring Gear; 5. 3L; W/O Limited Slip. 9. 76" Ring Gear; 6. 2L; W/LIMITED Slip. 9. 76" Ring Gear; 6. 2L; W/O Limited Slip. AA6M. AA6N. AA6P. ACC3. Accu. Accy. Acfg. Acfk. Achx. Crew Cab; 2.7L. Crew Cab; 3.0L Diesel; 3.23 Ratio. Crew Cab; 3.0L Diesel; 3.73 Ratio. Crew Cab; 4.3L. Crew Cab; 5.3L (L82). Crew Cab; 5.3L (L84); 3.23 Ratio. Crew Cab; 5.3L (L84); 3.42 Ratio. Crew Cab; 6.2L. Double Cab; 2.7L. Double Cab; 3.0L Diesel; 3.23 Ratio.

Sierra; 8.6" Ring Gear. Silverado.

DRIVE AXLES. AXLE SHAFTS & JOINTS. DIFFERENTIAL. FRONT AXLE. PROPELLER SHAFT.

Full Diagram

#23

Aaft. Aagl. Aamc; From vin 139933. Aamc; To vin 139933. Aapv. Aapw. Aarr. AT4X; Supplier A (SU4); 3.23 Ratio. AT4X; Supplier A (SU4); 3.42 Ratio. AT4X; Supplier A (SU4); 3.73 Ratio. AT4X; Supplier B (SU5); 3.23 Ratio. AT4X; Supplier B (SU5); 3.42 Ratio. AT4X; w/Lifted Suspension. AT4X; w/o Lifted Suspension; Fort Wayne Built. AT4X; w/o Lifted Suspension; Oshawa Built. AT4X; w/o Lifted Suspension; Silao Built. AT4X; W/O Lifted Suspension; W/O Performance Pkg. ; From vin 169294. AT4X; W/O Lifted Suspension; W/O Performance Pkg. ; To vin 169293. AT4X; w/o Lifted Suspension; w/Performance Pkg.; Fort Wayne Built. AT4X; w/o Lifted Suspension; w/Performance Pkg.; Oshawa Built. AT4X; w/o Lifted Suspension; w/Performance Pkg.; Silao Built. INTERMEDIATE DRIVE; Sierra; Left. INTERMEDIATE DRIVE; Sierra; Right. Sierra; 2.7L. Sierra; 3.0L Diesel. Sierra; 4.3L.

Sierra; Supplier A (SU4). Silverado.

Drive axles. Axle shafts & joints. Differential. Front axle. Propeller shaft.

Full Diagram

Aapv. Aapw. Aarp. AAT6. Yukon XL; 3.23 Ratio. Yukon XL; 3.42 Ratio. Yukon XL; Carrier. Yukon XL; Housing. Yukon XL; Inner. Yukon XL; Intermediate Shaft. Yukon XL; Left (Inner Shaft). Yukon XL; Left; Supplier A. Yukon XL; Left; Supplier B. Yukon XL; Outer. Yukon XL; Right (Clutch Shaft); Supplier A. Yukon XL; Right (Clutch Shaft); Supplier B. Yukon XL; Right; Supplier A. Yukon XL; Right; Supplier B. Yukon XL; Supplier A. Yukon XL; Supplier B. Yukon; 3.23 Ratio. Yukon; 3.42 Ratio. Yukon; Carrier. Yukon; Housing. Yukon; Inner. Yukon; Intermediate Shaft.

Yukon XL; Supplier A. Yukon; Supplier A.

Drive axles. Axle shafts & joints. Differential. Front axle. Propeller shaft.

Full Diagram

Suburban; 3.23 Ratio. Suburban; 3.42 Ratio. Suburban; 5.3L. Suburban; 6.2L. Suburban; Carrier. Suburban; Clutch Shaft; ACDelco FD102. Suburban; Clutch Shaft; ACDelco S1421. Suburban; Drive; Left; Supplier A. Suburban; Drive; Left; Supplier B. Suburban; Drive; Right; Supplier A. Suburban; Drive; Right; Supplier B. Suburban; Front. Suburban; Housing. Suburban; Inner Shaft; Left. Suburban; Inner Shaft; Right. Suburban; Intermediate Shaft. Suburban; Rear. Suburban; Supplier A. Suburban; Supplier B. Tahoe; 3.23 Ratio. Tahoe; 3.42 Ratio. Tahoe; 5.3L. Tahoe; 6.2L. Tahoe; Carrier. Tahoe; Clutch Shaft; ACDelco FD102. Tahoe; Clutch Shaft; ACDelco S1421.

Suburban; Supplier A.

Drive axles. Front axle. Propeller shaft.

Full Diagram

Canyon; Electronic Locking Diff. Canyon; Engage Front Drive Axle. Canyon; Front. Canyon; Inner. Canyon; Left. Canyon; Outer. Canyon; Rear. Canyon; Right. Canyon; Side. Canyon; w/Differential Lock. Canyon; w/Locking Differential. Canyon; w/o Differential Lock. Canyon; w/o Locking Differential. Colorado; Electronic Locking Diff. Colorado; Engage Front Drive Axle. Colorado; Front. Colorado; Inner. Colorado; Left. Colorado; Outer. Colorado; Rear. Colorado; Right. Colorado; Side. Colorado; w/Differential Lock. Colorado; w/Locking Differential. Colorado; w/o Differential Lock. Colorado; w/o Locking Differential; w/2 Inch Lift.

Canyon. Colorado.

Rear axle. Propeller shaft.

Full Diagram

Canyon; 2.7L; AWD. Canyon; 2.7L; RWD. Canyon; AT4 Trim. Canyon; AT4X Trim. Canyon; AWD. Canyon; Denali Trim. Canyon; Elevation Trim. Canyon; Inner. Canyon; Outer. Canyon; RWD. Canyon; w/Locking Differential; Left. Canyon; w/Locking Differential; Right. Canyon; w/o Locking Differential; w/o Positraction L/Slip; Left. Canyon; w/o Locking Differential; w/o Positraction L/Slip; Right. Canyon; w/o Locking Differential; w/Positraction L/Slip; Left. Canyon; w/o Locking Differential; w/Positraction L/Slip; Right. Colorado; 2.7L; RPO L2R; AWD. Colorado; 2.7L; RPO L2R; RWD. Colorado; 2.7L; RPO L3B; AWD. Colorado; 2.7L; RPO L3B; RWD. Colorado; AWD. Colorado; Inner. Colorado; LT Trim. Colorado; Outer. Colorado; RWD. Colorado; Trail Boss Trim; w/2 Inch Lift (Z2I).

Canyon. Colorado.