
Over time, internal corrosion, environmental exposure, and rubber deterioration within the caliper assembly can lead to pressure loss, uneven brake pad engagement, and potential fluid leaks, compromising stopping power and safety. Upgrading to this premium replacement caliper restores direct hydraulic response, eliminates volumetric expansion under heavy braking, and ensures reliable, consistent caliper operation in demanding fleet conditions.
This caliper features a durable silver zinc coating for corrosion resistance and long service life. Designed to drop directly into the original mounting points of Chevrolet W3500 trucks from 1998 through 2004, it provides a precise fit for heavy-duty applications. Its heavy-duty construction supports severe-duty fleet operations, industrial transport, and commercial vehicle service, ensuring maximum structural integrity and brake performance under demanding use.
- Overall Length: 42.42-inch
- Fitting / Outlet Size: 10mm INV thread
- Application: Commercial-Grade / Heavy-Duty Fleet / Passenger Automotive Cross-Over
Part Numbers
- 331-47230
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 emphasizes the importance of proper hose routing and mounting. Ensure the caliper hoses are routed to prevent chaffing on chassis components and allow full twist during full-lock steering cycles. Always verify the line mounting brackets are intact and correctly positioned on heavy commercial frames to prevent hose stress and premature failure.
Before ordering, physically inspect your existing caliper line length, banjos, and flare fitting threads. Fleet and utility vehicles with mid-year production changes or varied wheelbase configurations may have different routing requirements. Accurate measurement and visual confirmation are essential to ensure proper fitment and avoid installation delays.
Features:
- Heavy-duty silver zinc coating for enhanced corrosion resistance
- Precision fit for Chevrolet W3500 1998-2004 models
- Designed for severe-duty fleet and industrial applications
- 10mm inlet thread compatible with OEM hydraulic lines
- Drop-in replacement for original caliper mounting points



