Description
2771494X – BENDIX HYDROMAX ELECTRIC BRAKE BOOSTER MOTOR (LEAD WIRE STYLE)
PART NUMBER(S):
Fleet Products: 2771494X (Remanufactured) | OE: Bendix 2771494, 2771320, RV2771494X, FORD E0HZ2A016A, IHC 1656981C1, 1669561C1, Casting: 2771371
DESCRIPTION:
Model: Hydromax Electric Brake Booster Motor – Lead Wire Style (Remanufactured)
Vehicles: International Harvester (IHC), GMC, Chevrolet, Ford medium-duty chassis, and select vocational/commercial vehicles
• 12V DC motor for Bendix Hydromax hydraulic brake assist units
• Direct replacement for RV2771494X, 2771320, and 2771494 OE systems
• Integrated stud-mount design Inlet: 3/4 - 18 thread w/ O'Ring tube seat, Outlet: 1/2" ID
push on hose
• Provides consistent brake assist under variable duty cycles and load conditions
• Compatible with Hydromax boosters across major OEM applications
• Includes OE-style harness connector for direct wiring
Applications: Is this motor the right fit for your truck or bus✔ Yes—engineered for medium-duty trucks, buses, and RVs using Bendix Hydromax brake systems. Designed to restore OEM brake assist functionality and reliability in fleet and vocational vehicles requiring hydraulic power assist.
Used on 2" Bore Master Cylinders and Hydro-Max Booster Numbers:
2771558X, 2771559X, 2771552X
CROSS-REFERENCE(S):
1656981C1, 1656981C91, 1669561C1, 1669561C91, 2771320, 2771420, 2771468, 2771494, 2771532, 2772114, 52-9904, 5396-RV2771494X, 5396RV2771494X, 745-R2771494, 767653032375, BBH-2771320, BBH2771320, BENR2771494R, E0HZ-2A016-A, E4HZ2A016A, E7HZ2A016A, EBN2771494X, HDXRV2771494X, MBIRV2771494X, MIDRV2771494X, R2771494E1, R2771494R, RV2771494X, ZZRV2771494XA cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports, wiring, and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Disconnect vehicle battery before removing or installing motor
✔ Inspect all electrical connectors for corrosion, fatigue, or loose fitment
✔ Ensure proper alignment with Hydromax booster studs during install
✔ Torque all mounting bolts to manufacturer’s specifications
✔ Test motor activation and brake response before returning vehicle to service
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
