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GM  |  SKU: 15904563

15904563 | Genuine GM® ABS Antilock Brake Actuator Pump For Chevrolet, GMC

$69900
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ConditionRemanufactured
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Description:
The ABS Anti-lock Brake Actuator Pump 15904563 is a key component of a vehicle’s Anti-lock Braking System (ABS). It is sometimes integrated with the ABS Pressure Modulator Valve (BPMV) and is responsible for maintaining hydraulic pressure in the brake system during ABS operation.

Part Number: 15904563 
Condition: Remanufactured
Manufacture/Brand: GM

Fits 15904563 For 

Year Make Model Engine Important vehicle option details
2003-2007 Chevrolet Express 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
2003-2006 Chevrolet Silverado 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L 1500 EXTENDED CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB
2003-2004 Chevrolet Suburban 8 Cyl 6.0L, 8 Cyl 8.1L 1500 EXTENDED CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB
2003-2007 GMC Savana 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
2003-2006 GMC Sierra 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L 1500 EXTENDED CAB STANDARD BOX,


Purpose of using 15904563:

 

  • Restore Brake Pressure

    • When the ABS modulator reduces pressure to a wheel that’s locking, the actuator pump re-pressurizes the brake fluid so braking can continue effectively.

  • Maintain Continuous ABS Operation

    • During rapid ABS pulses, fluid is constantly released and re-pressurized. The pump ensures that pressure is available at all times.

  • Work with Hydraulic Modulator

    • The pump is part of the hydraulic control unit (HCU) that opens/closes solenoid valves to adjust pressure to each wheel.


Sings of Bad ABS Actuator Pump 15904563:

ABS warning light stays on

Brakes lock up during hard stops
Pump motor runs continuously or not at all
Brake pedal feels unusually soft or pulsates
ABS codes stored in the system (C-codes, e.g., C0271, C0272, C1251)



About the Manufacturer – GM:

General Motors (GM) is one of the largest and most iconic automotive manufacturers in the world. Founded in 1908 and headquartered in Detroit, Michigan, GM designs, builds, and sells vehicles under several well-known brands, including Chevrolet, GMC, Cadillac, and Buick.
GM is known for its long history of innovation in the automotive industry, from developing early electric vehicles to advancing autonomous driving and connected car technologies. The company has a strong global presence and is committed to a future of zero crashes, zero emissions, and zero congestion, with significant investments in electric vehicles (EVs) and sustainable mobility.

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