Product Description
2770255X – HYDROMAX BRAKE ASSIST UNIT (FORD)
PART NUMBER(S):
Fleet Products: 2770255X (Remanufactured) | OE: 2770255, RV2770255X
DESCRIPTION:
Model: Hydraulic Brake Assist Unit – Hydromax
Vehicles: Ford medium-duty trucks with hydraulic brake systems
• Inlet Port: 3/4"–18 thread with O-ring tube seat (centered on housing)
• Outlet Port: 1/2" ID compatible with push-on hose assemblies
• Function: Multiplies pedal effort using hydraulic pressure from power steering or hydraulic source
• Backup System: Some units may include electric backup pump support (varies by configuration)
Applications: Designed for Ford trucks with hydraulic brake assist systems requiring a Hydromax booster with center-aligned ports. Common in vocational and fleet platforms with non-air brake configurations.
CROSS-REFERENCE(S):
2770255, RV2770255X
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm inlet port is centered and matches 3/4-18 thread with O-ring seat
✔ Use hydraulic-grade thread sealant and always replace O-rings and rubber seals
✔ Push-on outlet hose must be fully seated and leak-tested under pressure
✔ Flush entire hydraulic system before and after installation to avoid contamination
✔ Torque mounting hardware and ports to OEM specifications
✔ If equipped with backup pump, verify wiring and activation under key-on conditions
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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