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12389541 | Genuine GM® ABS Pressure Modulator Valve Assembly
GM

12389541 | Genuine GM® ABS Pressure Modulator Valve Assembly

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  • Product SKU: 12389541
  • Availability: In Stock
$749.00 - $749.00
$749.00
$749.00 - $749.00
$749.00
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Description: ABS Pressure Modulator Valve Assembly For Cadillac Escalade, Chevrolet C1500, C2500, C3500, Express, K1500, K2500, K3500, P30, Suburban, Tahoe, GMC C1500, C2500, C3500, K1500, K2500, K3500, Yukon, Savana
Condition: Remanufactured
Brand: GM®
Part Number: 12389541

Fitment 12389541:

Year Make Model Engine Important vehicle option details
1999-2000 Cadillac Escalade 8 Cyl 5.7L 1 TON CREW CAB, 1/2 TON, 3/4 TON, 4 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON, CREW CAB 1 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, K2500 CREW CAB, K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, YUKON/DENALI/ESCALADE
1995-1999 Chevrolet C1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
1995-2000 Chevrolet C2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
1995-2002 Chevrolet C3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB
1996-2002 Chevrolet Express 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L, 8 Cyl 8.1L 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
1995-1999 Chevrolet K1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
1995-2000 Chevrolet K2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
1995-2000 Chevrolet K3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
1997-1999 Chevrolet P30 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L CHASSIS 1 TON MOTOR HOME HEAVY DUTY, CHASSIS DELIVERY, CHASSIS MOTOR HOME
1995-1999 Chevrolet Suburban 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L 1/2 TON, 3/4 TON
1995-2000 Chevrolet Tahoe 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
1995-1999 GMC C1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
1995-2000 GMC C2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
1995-2000 GMC C3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB, K2500 EXTENDED CAB STANDARD BOX
1995-1999 GMC K1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
1995-2000 GMC K2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
1995-2000 GMC K3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
1996-2002 GMC Savana 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L, 8 Cyl 8.1L 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE SAVANA, 1 TON PASSENGER, 1/2 TON CARGO, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
1995-1999 GMC Suburban 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L 1/2 TON, 3/4 TON
1995-2000 GMC Yukon 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.5L Diesel CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON


Bill of Materials:

12475489  - Pressure Modulator Valve

12389541 - ABS Control Unit
12548265 - Valve Metering 


The ABS Pressure Modulator Valve 12389541 is a hydraulic unit that regulates brake fluid pressure to each wheel during braking.

When you brake hard, the ABS control module constantly monitors the wheel speed sensors. If it senses a wheel is about to lock up, it sends signals to the pressure modulator valve to:

  1. Hold pressure – Keeps brake pressure constant if the wheel is stable.

  2. Release pressure – Opens a valve to release fluid pressure if a wheel is locking.

  3. Increase pressure – Closes the valve or activates the pump to reapply pressure as traction returns.

This process happens many times per second, producing that familiar pulsing feeling in the brake pedal during ABS operation.


Signs of a Failing ABS Pressure Modulator Valve 12389541:

  • ABS warning light stays on.

  • Brakes lock up during hard stops (ABS not engaging).

  • Brake pedal feels hard or spongy.

  • Fluid leaks around the modulator block.

  • ABS pump runs constantly (indicating a stuck valve or bad internal relay).

  • Trouble codes stored in the ABS module related to valve or pressure control circuits.


Manufacturer information
GM (General Motors) is an American multinational automotive company headquartered in Detroit, Michigan, founded in 1908. It designs, manufactures, and sells vehicles and parts under brands such as Chevrolet, GMC, Cadillac, and Buick. GM is known for innovation in automotive technology, including electric vehicles, safety systems, and advanced manufacturing. The company also produces genuine OEM parts—like the GM Genuine Parts line—to ensure high-quality fit, performance, and reliability for its vehicles.

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.

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