
Internal degradation of brake caliper pistons and environmental exposure to moisture, dirt, and road salts can cause internal corrosion, piston sticking, and uneven pad wear, resulting in compromised braking response and potential fluid leaks. Upgrading to this premium caliper provides a robust, corrosion-resistant component designed to restore immediate hydraulic pressure transfer, ensuring consistent braking force during heavy-duty fleet operations and severe-duty applications.
This caliper features a durable silver zinc coating that significantly enhances corrosion resistance and extends service life in harsh conditions. Its precise fit and high-quality construction make it an ideal direct replacement for worn or damaged OE units, minimizing downtime and ensuring fleet reliability. Designed for ease of installation, this caliper maintains accurate pad alignment and optimal piston movement, critical for maintaining braking performance across demanding commercial and industrial environments.
- Overall Length: 42.42-inch size
- Fitting / Outlet Size: 10mm INV thread
- Application: Commercial-Grade / Heavy-Duty Fleet / Passenger Automotive Cross-Over
Part Numbers
331-48004
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 emphasizes the importance of proper hose routing and securing calipers to prevent chassis chaffing or damage during full-lock steering cycles. Always verify line mounting brackets on heavy commercial frames are intact and correctly positioned to avoid unnecessary wear. Confirm fitment by measuring existing calipers and inspecting mounting hardware before installation to ensure compatibility and optimal performance.
Physically inspect your existing line length, banjos, or flare fitting threads before ordering. Variations in wheelbase and production runs mean routing and fittings can differ significantly in fleet and utility applications. Confirm all measurements prior to purchase to ensure a proper fit and reliable operation.
Features:
- Corrosion-resistant silver zinc coating extends caliper lifespan in harsh environments
- High-burst-pressure rating ensures reliable performance under severe braking conditions
- Direct OE replacement for seamless installation and consistent braking response
- Precision machined pistons and caliper body for accurate pad alignment
- Designed for heavy-duty commercial fleet applications and industrial use



