12478048 Genuine GM ABS Brake Pressure Modulator Valve

Name: 12478048 Genuine GM ABS Brake Pressure Modulator Valve
Brand: GM
SKU: 12478048
Price: 1700.00 USD
Availability: InStock

P/N: 12478048 Manufactured by: GM

$1,700.00 - $1,700.00

$1,700.00

$1,700.00 - $1,700.00

$1,700.00

2 in Stock

Condition: New

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Description

The 12478048 is a genuine GM ABS brake pressure modulator valve for specified 1999–2006 Cadillac, Chevrolet, and GMC truck and SUV applications. It controls hydraulic pressure through the ABS brake circuits as commanded by the electronic brake control system during wheel-slip conditions.

Vehicle Compatibility

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

General Specifications

Condition	New
Part Number	12478048
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

Product Features

The 12478048 ABS brake pressure modulator valve is built to match factory hydraulic operation and installation requirements:

Meters hydraulic brake pressure when anti-lock braking intervention is requested
Directs brake fluid through the proper circuits as wheel conditions change
Responds to the vehicle's electronic brake control commands during ABS operation
Connects to the original brake lines at the factory modulator position
Maintains the specified hydraulic routing without altering the brake system layout
Works with the listed Cadillac, Chevrolet, and GMC electronic brake configurations

Application Notes

The 12478048 is intended for the listed GM vehicles equipped with the corresponding electronic brake control and ABS hydraulic arrangement. Label each hydraulic line before removal and complete the specified brake bleeding procedure after installation.

Verify part number, VIN, model year, vehicle configuration, ABS equipment, hydraulic connections, and applicable factory brake options before installation.