
Internal hose degradation and environmental exposure in hydraulic brake lines cause pressure loss, uneven caliper response, and potential fluid leaks. These issues compromise braking efficiency and safety, especially under heavy fleet operation conditions. Upgrading to this DFC premium OE replacement caliper restores immediate hydraulic response, eliminating volumetric expansion and ensuring consistent brake application during demanding stops.
This caliper features a durable silver zinc coating for corrosion resistance and longevity. Designed for direct fitment, it replaces the original equipment component with precise dimensions and high-quality manufacturing standards. Its robust construction ensures reliable operation in severe-duty applications, supporting fleet safety and vehicle uptime.
- Overall Length: As specified
- Fitting / Outlet Size: 10mm INV thread
- Application: Commercial-Grade / Heavy-Duty Fleet / Passenger Automotive Cross-Over
Part Numbers
- 331-63639
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 confirms the importance of proper hose routing to prevent chaffing on chassis components and to maintain full steering lock clearance. Always verify the existing line length, flange, or banjo fitting threads before ordering, as mid-year production changes and wheelbase variations can alter routing requirements on fleet and utility vehicles. Ensuring correct mounting bracket placement on heavy commercial frames is critical for safe, reliable operation.
Features:
- OE Replacement caliper designed for seamless fit and function
- Silver zinc coating provides superior corrosion resistance
- High-burst-pressure hydraulic line compatibility
- Precise dimensions for direct bolt-on installation
- Suitable for severe-duty commercial fleet applications



