
Internal hose degradation and exposure to environmental elements such as heat, moisture, and debris can cause hydraulic pressure loss, uneven caliper response, and fluid leaks in fleet brake systems. Upgrading to this premium caliper assembly restores immediate hydraulic pressure transfer, eliminating internal fluid expansion and caliper sticking during heavy braking conditions often faced in commercial applications.
This caliper offers a direct OE replacement that ensures compatibility with existing mounting brackets and hydraulic lines. Its robust construction features a silver zinc coating providing corrosion resistance for extended service life under heavy-duty conditions. Designed specifically for front left wheel mounting, this caliper suits a range of late-model Mini Cooper Clubman vehicles used in fleet and industrial settings, delivering reliable braking performance across demanding operational cycles.
- Overall Length: 0.2388 inches
- Fitting / Outlet Size: 10mm INV thread
- Application: Commercial-Grade / Heavy-Duty Fleet / Passenger Automotive Cross-Over
Part Numbers
- 331-31143
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 emphasizes the importance of verifying hose routing and caliper mounting positions. Proper routing prevents chassis chaffing and ensures full-lock steering clearance, while inspecting mounting brackets on heavy commercial frames is critical to avoid stress-induced failures. Always confirm the existing line length, banjo bolt threads, and flare fitting threads before ordering to accommodate mid-year production changes and wheelbase variations common in fleet and utility vehicles.
Physically inspect your existing line length, banjos, or flare fitting threads before ordering. Variations in vehicle production runs and wheelbase configurations may necessitate different routing or fitting sizes. Confirm compatibility to avoid installation delays or component mismatches.
Features:
- OE replacement caliper with durable zinc coating for corrosion resistance
- Designed for front left wheel mounting on Mini Cooper Clubman models from 2016 to 2018
- 10mm inlet thread ensures secure hydraulic connection and fluid transfer
- Reliable performance in heavy-duty fleet applications and severe-duty environments
- Precision engineered to match OEM specifications for seamless installation and operation



