88935631 Genuine GM ABS Brake Pressure Modulator Valve
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Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
The 88935631 is a genuine GM ABS brake pressure modulator valve for specified 1999–2006 Cadillac, Chevrolet, and GMC truck and SUV applications. It regulates hydraulic pressure through the brake circuits during ABS operation as directed by the vehicle’s electronic brake control system.
| Year | Vehicle | Engine | Trims |
|---|---|---|---|
| 2006 | Cadillac Escalade | 6.0L V8 - Gas | Base |
| 2006 | Cadillac Escalade ESV | 6.0L V8 - Gas | Base |
| 2006 | Cadillac Escalade EXT | 6.0L V8 - Gas | Base |
| 2006 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Hybrid, LS, LT, SS, WT |
| 2006 | Chevrolet Silverado 1500 HD | 6.0L V8 - Gas | LT |
| 2006 | Chevrolet Suburban 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, LS, LT, LTZ, Z71 |
| 2006 | Chevrolet Suburban 2500 | 6.0L V8 - Gas, 8.1L V8 - Gas | LS, LT |
| 2006 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | Base, LS, LT, Z71 |
| 2006 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Denali, Hybrid, SL |
| 2005 | Cadillac Escalade | 5.3L V8 - Gas, 6.0L V8 - Gas | Base |
| 2005 | Cadillac Escalade ESV | 6.0L V8 - Gas | Base |
| 2005 | Cadillac Escalade EXT | 6.0L V8 - Gas | Base |
| 2005 | Chevrolet Avalanche 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas | Base, LS, LT, Z66, Z71 |
| 2005 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road |
| 2005 | Chevrolet Silverado 1500 HD | 6.0L V8 - Gas | Base, LS, LT |
| 2005 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT, WT |
| 2005 | Chevrolet Silverado 3500 | 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2005 | Chevrolet Suburban 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2005 | Chevrolet Suburban 2500 | 6.0L V8 - Gas, 8.1L V8 - Gas | LS, LT |
| 2005 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2005 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Denali, Hybrid |
| 2004 | Cadillac Escalade | 5.3L V8 - Gas, 6.0L V8 - Gas | Base |
| 2004 | Cadillac Escalade ESV | 6.0L V8 - Gas | Base |
| 2004 | Cadillac Escalade EXT | 6.0L V8 - Gas | Base |
| 2004 | Chevrolet Avalanche 1500 | 5.3L V8 - Gas | Base, Z66, Z71 |
| 2004 | Chevrolet Avalanche 2500 | 8.1L V8 - Gas | Base |
| 2004 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road |
| 2004 | Chevrolet Silverado 2500 | 6.0L V8 - Gas | Base, LS, LT, WT |
| 2004 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT, WT |
| 2004 | Chevrolet Silverado 3500 | 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT, WT |
| 2004 | Chevrolet Suburban 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2004 | Chevrolet Suburban 2500 | 6.0L V8 - Gas, 8.1L V8 - Gas | LS, LT |
| 2004 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2004 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Denali |
| 2003 | Cadillac Escalade | 5.3L V8 - Gas, 6.0L V8 - Gas | Base |
| 2003 | Cadillac Escalade ESV | 6.0L V8 - Gas | Base |
| 2003 | Cadillac Escalade EXT | 6.0L V8 - Gas | Base |
| 2003 | Chevrolet Avalanche 1500 | 5.3L V8 - Gas | Base, North Face, On Road Edition, WBH, Z71 |
| 2003 | Chevrolet Avalanche 2500 | 8.1L V8 - Gas | Base |
| 2003 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, LS, LT, SS, WT |
| 2003 | Chevrolet Silverado 1500 HD | 6.0L V8 - Gas | LS, LT |
| 2003 | Chevrolet Silverado 2500 | 6.0L V8 - Gas | Base, LS, LT |
| 2003 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT, WT |
| 2003 | Chevrolet Silverado 3500 | 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2003 | Chevrolet Suburban 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2003 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2003 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Denali, SL |
| 2002 | Cadillac Escalade | 5.3L V8 - Gas, 6.0L V8 - Gas | Base |
| 2002 | Cadillac Escalade EXT | 6.0L V8 - Gas | Base |
| 2002 | Chevrolet Avalanche 1500 | 5.3L V8 - Gas | Base, North Face, On Road Edition, Z71 |
| 2002 | Chevrolet Avalanche 2500 | 8.1L V8 - Gas | Base |
| 2002 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | Base, LS, LT, WT |
| 2002 | Chevrolet Silverado 1500 HD | 6.0L V8 - Gas | LS, LT |
| 2002 | Chevrolet Silverado 2500 | 6.0L V8 - Bi-Fuel, 6.0L V8 - CNG, 6.0L V8 - Gas | Base, LS, LT |
| 2002 | Chevrolet Silverado 2500 HD | 6.0L V8 - Bi-Fuel, 6.0L V8 - CNG, 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2002 | Chevrolet Silverado 3500 | 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2002 | Chevrolet Suburban 1500 | 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2002 | Chevrolet Suburban 2500 | 6.0L V8 - Gas, 8.1L V8 - Gas | LS, LT |
| 2002 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas | LS, LT, Z71 |
| 2002 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.0L V8 - Gas | Base, Denali, HT, SL |
| 2001 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Silverado 1500 HD | 6.0L V8 - Gas | LS, LT |
| 2001 | Chevrolet Silverado 2500 | 6.0L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Silverado 2500 HD | 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Silverado 3500 | 6.0L V8 - Gas, 6.6L V8 - Diesel, 8.1L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Suburban 1500 | 5.3L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Suburban 2500 | 6.0L V8 - Gas, 8.1L V8 - Gas | Base, LS, LT |
| 2001 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Gas | Base, LS, LT |
| 2001 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas, 6.0L V8 - Gas | C3, SL, SLE |
| 2000 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas | Base, LS, LT |
| 2000 | Chevrolet Silverado 2500 | 5.3L V8 - Gas, 6.0L V8 - Gas | Base, LS, LT |
| 2000 | Chevrolet Suburban 1500 | 5.3L V8 - Gas | Base, LS, LT |
| 2000 | Chevrolet Suburban 2500 | 6.0L V8 - Gas | Base, LS, LT |
| 2000 | Chevrolet Tahoe | 4.8L V8 - Gas, 5.3L V8 - Gas, 5.7L V8 - Gas | Base, LS, LT, Limited, Z71 |
| 2000 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas | SL, SLE |
| 1999 | Chevrolet Silverado 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas | Base, LS, LT |
| 1999 | Chevrolet Silverado 2500 | 5.3L V8 - Gas, 6.0L V8 - Gas | Base, LS, LT |
| 1999 | GMC Sierra 1500 | 4.3L V6 - Gas, 4.8L V8 - Gas, 5.3L V8 - Gas | SL, SLE |
| Condition | New |
| Part Number | 88935631 |
| Brand | GM |
| Part Type | Brake Pressure Modulator Valve |
| Years | 1999–2006 |
| Vehicle | Cadillac, Chevrolet, GMC Trucks and SUVs |
| Brake System | Electronic Brake Control |
| System Function | Hydraulic Brake Pressure Modulation |
| Dimensions | 8.3 × 7.5 × 5.8 in |
| Weight | 6.35 lbs |
| Fitment Type | Direct Replacement |
The 88935631 ABS brake pressure modulator valve is built to match factory hydraulic operation and installation requirements:
The 88935631 is intended for the listed GM applications equipped with the corresponding electronic brake control and hydraulic ABS configuration. Mark each brake line before removal and bleed the system according to the correct service procedure after installation.
Verify part number, VIN, model year, vehicle application, ABS configuration, brake line connections, and applicable factory brake equipment before installation.