15904563 Refurbished✅ Genuine ABS Antilock Brake Actuator Pump For Chevrolet GMC

### **✅ Refurbished GM ABS Brake Pressure Modulator Valve Assembly (15904564 / 15904563 Compatible) ✅** Restore optimal braking performance with this **refurbished ABS brake pressure modulator valve assembly**, designed to maintain proper brake fluid pressure and ensure continuous ABS operation. This unit works seamlessly with the hydraulic control unit (HCU) to open and close solenoid valves, adjusting brake pressure at each wheel for safe, reliable stopping. **🌟 Key Benefits / Purpose:** - **Restore Brake Pressure:** The actuator pump re-pressurizes fluid when ABS reduces pressure to a locking wheel, ensuring braking continues effectively. - **Maintain Continuous ABS Operation:** During rapid ABS pulses, the pump guarantees fluid pressure is always available for consistent braking. - **Integrate with Hydraulic Modulator:** Works with solenoid valves to precisely control pressure to each wheel. **⚠️ Signs Your ABS Actuator Pump May Be Failing (15904563 / 15904564):** - ABS warning light illuminated - Brakes lock up during hard stops - Pump motor runs continuously or fails to operate - Soft or pulsating brake pedal - ABS codes stored in the system (e.g., C0271, C0272, C1251) **🚗 Fitment Details:** **Chevrolet Express (2003-2007)** - Engines: 8 Cyl 4.8L, 6.0L, 6.6L Diesel - Vehicle Options: 1 Ton Cargo, 1 Ton Commercial/RV Cutaway, 1 Ton Passenger **Chevrolet Silverado (2005)** - Engines: 8 Cyl 6.0L, 6.6L Diesel, 8.1L - Vehicle Options: 2500/3500 Crew Cab, Extended Cab, Regular Cab, Long/Standard Box, Chassis **GMC Savana (2003-2007)** - Engines: 8 Cyl 4.8L, 6.0L, 6.6L Diesel - Vehicle Options: 1 Ton Cargo, 1 Ton Commercial/RV Cutaway, 1 Ton Passenger **GMC Sierra (2005)** - Engines: 6.0L, 6.6L Diesel, 8.1L - Vehicle Options: 2500/3500 Crew Cab, Extended Cab, Regular Cab, Long/Standard Box **🔄 Compatible / Interchangeable Part Numbers:** - 15904564 - 15904563 - 25744427 - 15294561 - 15793428 - 88964382 **📌 Note:** Please confirm compatibility with your vehicle before purchasing. If you’re unsure, send us a message with your **VIN or part number**, and our team will gladly help you find the correct replacement.

• Brand: GM
• Type: ABS Pump
• Interchange Part Number: 15904564, 15904563, 15793427, 25744426
• Manufacturer Warranty: 1 Year
• OE/OEM Part Number: 89027171
• Fitment Type: Direct Replacement
• Manufacturer Part Number: 15904564, 25744427, 15294561, 15793428, 88964382, 88964389, 15793427, 88964387, 25744426
• Terminal Type: Pressure Contact
• Previous Part Number: 12472988