STA4195 Wheel Bearing For CADILLAC

The DUHUI Bearing STA4195 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 STA4195 meets OE specifications including ACDelco GM Original Equipment S1381 and GM 25824251, and is interchangeable with KOYO and Timken equivalents.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWB2591 |
| Part Number | STA4195 |
| Product Type | Tapered Roller Bearing – Single Row, Inch Series |
| Inside Diameter | 42.00 mm (1.654 inch) |
| Outside Diameter | 82.00 mm (3.228 inch) |
| Width | 12.00 mm (0.472 inch) |
| Material | High Carbon Chrome Steel (GCr15) |
| Precision Class | P0 |
| Weight | 0.62 kg (1.38 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: DWB2591
OE Numbers:
S1381, 25824251
Reference Numbers (Interchange):
ACDelco GM Original Equipment: S1381
GM: 25824251
KOYO: STA4195
Timken: S1381
Vehicle Fitment
CADILLAC ESCALADE: 2009-2014 (6.0L V8) – Rear Differential Pinion
CADILLAC ESCALADE ESV, EXT: 2009-2014 – Rear Differential Pinion
CHEVROLET AVALANCHE, SILVERADO 1500, SUBURBAN 1500, TAHOE: 2009-2014 – Rear Differential Pinion
GMC SIERRA 1500, YUKON, YUKON XL 1500: 2009-2014 – Rear Differential Pinion
HUMMER H3, H3T: 2008-2010 – Rear Differential Pinion
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 S1381, GM 25824251, and KOYO STA4195 equivalents.
Installation Notes
- Confirm inside diameter (42.00 mm) and outside diameter (82.00 mm) match your existing bearing and housing before installation.
- This bearing is designed for the differential pinion – 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

