
Internal hose degradation and environmental exposure often lead to pressure loss, uneven caliper response, and potential fluid leaks in fleet brake systems. Replacing worn or compromised calipers with high-quality OE replacements restores hydraulic integrity, ensuring instant response during heavy-duty braking conditions. This caliper assembly provides a structural upgrade that minimizes volumetric expansion and fluid spillage, critical for maintaining fleet safety and reliability.
Designed for severe-duty applications, this premium caliper features a robust construction with a silver zinc coating for corrosion resistance. It fits directly onto the vehicle’s mounting points, matching OEM specifications for flawless integration. The caliper’s precise fit and durable materials reduce the likelihood of sticking or caliper drag, extending service life and improving brake performance across demanding operational environments.
- Overall Length: 13.3-inch
- Fitting / Outlet Size: 10mm INV thread
- Application: Heavy-Duty Fleet / Commercial Vehicle / Passenger Automotive Cross-Over
Part Numbers
- 331-67083
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 emphasizes the importance of proper hose routing to prevent chassis chaffing and ensure twist clearance during full-lock steering. Always verify line length and mounting points before installation, and inspect existing fittings and flare threads thoroughly, as fleet applications often have mid-year production variations and wheelbase-specific routing that can affect fitment.
Before ordering, physically inspect the existing brake line length, banjos, or flare fitting threads to confirm compatibility. Variations in fleet vehicle production and wheelbase configurations can significantly alter routing and mounting points. Ensuring correct specifications prevents costly misfits and installation delays.
Features:
- OE Replacement caliper with direct fit for Infiniti QX4 1998-2002
- Silver zinc coating offers superior corrosion resistance
- Designed for severe-duty commercial fleet applications
- Includes 10mm INV threaded outlet for reliable hydraulic connection
- Precision-engineered for consistent caliper response and longevity



