STB3372 Wheel Bearing For CADILLAC
The DUHUI Bearing STB3372 differential pinion bearing is a single-row tapered roller bearing designed specifically for the rear axle or final drive housing of the 2009 Cadillac Escalade and other compatible GM full-size SUVs and trucks. As a critical drivetrain component, this bearing supports and allows the pinion gear to rotate smoothly within the axle assembly. The STB3372 meets OE specifications including ACDelco GM Original Equipment S1382 and GM 25824252, and is interchangeable with KOYO and Timken equivalents.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWB2592 |
| Part Number | STB3372 |
| Product Type | Tapered Roller Bearing – Single Row, Inch Series |
| Inside Diameter | 33.00 mm (1.310 inch) |
| Outside Diameter | 72.00 mm (2.610 inch) |
| Width | 10.00 mm (0.900 inch) |
| Material | High Carbon Chrome Steel (GCr15) |
| Precision Class | P0 |
| Weight | 0.44 kg (0.98 lb) |
Note: Dimensional data is based on aftermarket manufacturer specifications. Please verify measurements against your original bearing before ordering.
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code: DWB2592
OE Numbers:
S1382, 25824252
Reference Numbers (Interchange):
ACDelco GM Original Equipment: S1382
GM: 25824252
KOYO: STB3372
Timken: S1382
Vehicle Fitment
CADILLAC ESCALADE: 2009-2014 (6.0L V8) – Rear Differential Pinion, Outer Position
CHEVROLET AVALANCHE, SILVERADO 1500, SUBURBAN 1500, TAHOE: 2009-2014 – Rear Differential Pinion, Outer Position
GMC SIERRA 1500, YUKON, YUKON XL 1500: 2009-2014 – Rear Differential Pinion, Outer Position
HUMMER H3, H3T: 2008-2010 – Rear Differential Pinion, Outer Position
Compatible with GM 8.6-inch and 8.625-inch rear differentials (2009+).
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Single-row tapered roller design supports the pinion gear within the axle or final drive housing, allowing smooth rotation under heavy loads.
- Precision-ground raceways provide consistent performance, durability, and service life expected from OE components.
- Race (cup) included – supports and allows the pinion gear to rotate within the axle housing.
- Heat-treated bearing steel construction with GCr15 chrome steel material ensures wear resistance and load-bearing capacity.
- Interchangeable with ACDelco GM Original Equipment S1382, GM 25824252, and KOYO STB3372 equivalents.
Installation Notes
- Confirm inside diameter (33.00 mm) and outside diameter (72.00 mm) match your existing bearing and housing before installation.
- This bearing is designed for the differential pinion (outer position) – verify correct placement before ordering.
- When replacing, inspect the pinion gear and ring gear for wear or damage.
- Set bearing preload and pinion depth according to GM service manual specifications – tapered roller bearings require precise adjustment for differential operation.
- Lubricate with high-quality gear oil meeting GM specifications for the 8.6-inch or 8.625-inch rear differential.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces wheel bearings and automotive components to OE specifications. Contact us
