Description
6510R BRAKE ACTUATOR POWER CLUSTER – AIR/HYDRAULIC ACTUATOR
PART NUMBER(S):
Fleet Products: 6510R | Replaces OE: OE: A838, A839, A840, 6510
DESCRIPTION:
Model: 6510R Right-Side Air/Hydraulic Brake Actuator Power Cluster with MC661 Master Cylinder
Vehicles: Heavy-duty truck and trailer air/hydraulic brake applications
• Output Pressure: 1000 PSI
• Maximum Air Pressure: 120 PSI
• Stroke: 2.5"
• Diaphragm: Type 24
• Bore Size: 1-1/2"
• Volume: 3.5 cubic inches
• Inlet Fitting: 5 1/16" inverted flare
• Mounting Bracket: Right-side
• Actuation Type: Converts pneumatic pressure into hydraulic force
• Design: Wagner-style power and pressure cluster
• Residual Check Valve: Internal
• Mounting Orientation: Horizontal only
• Fluid Compatibility: DOT 3, DOT 4, DOT 5, DOT 5.1, or mineral-based hydraulic oil, depending on application
Applications:
Used in heavy-duty trucks, trailers, military vehicles, and commercial equipment equipped with air/hydraulic brake systems. The actuator converts pneumatic pressure into hydraulic force and is typically replaced when hydraulic pressure is insufficient, leakage develops, or the original power cluster no longer operates correctly.
CROSS-REFERENCE(S):
65-840R, AF838, AF839, AF840, 6510-1, 6510-2, 6510-3, 6510-4, 6510-5, 6510-6, 6510-7, 6510-8, 6510-9, 6510-10, 6510-11
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the right-side mounting bracket and horizontal installation orientation before mounting
✔ Use only the hydraulic fluid specified for the vehicle or brake system and never mix incompatible fluid types
✔ Bleed the hydraulic circuit completely after installation using the specified service sequence
✔ Maintain correct actuator stem and linkage alignment to prevent premature cup and seal wear
✔ Lubricate the mechanical pivot points at the maintenance intervals specified for the application
Warranty Information
