Centric 146.41005 Disc Brake Caliper Piston - Front

Centric Front Caliper Piston for Land Rover

Centric part 146.41005 is a front disc brake caliper piston built for Land Rover brake hydraulic service. It is a steel piston with precise dimensions for applications that require a 41.42 mm outside diameter and 32.02 mm inside diameter.

Centric Premium Steel & Aluminum Caliper Pistons are part of Centric’s premium brake hydraulics line, focused on accurate sizing and material selection for caliper rebuild and repair work. This piston is specified for front brake use on Land Rover Discovery and Range Rover applications.

• Steel construction
• Piston outside diameter: 1.61538 in / 41.42 mm
• Inside diameter: 32.02 mm
• Length: 33.77
• Thickness: 0.18213 in / 4.67 mm
• Front brake caliper piston for Land Rover brake hydraulics service

Detailed Product Overview

Centric 146.41005 is a disc brake caliper piston intended for front brake caliper repair on 1994-1999 Land Rover Discovery and 1987-1995 Land Rover Range Rover, plus 1974 Land Rover Range Rover front applications. The steel piston dimensions are listed to support accurate fitment during caliper rebuilding, especially where piston diameter and thickness must match the original hydraulic setup. If you are servicing a Land Rover Discovery front brake caliper or a Land Rover Range Rover front caliper, Centric 146.41005 provides the dimensional specifications needed for a direct replacement-style repair.

Common Repair Uses

• Restores proper caliper piston movement after corrosion or wear
• Addresses brake drag caused by a sticking front caliper piston
• Helps correct uneven front brake pad contact
• Supports caliper rebuilds when the original piston surface is damaged
• Helps resolve hydraulic sealing issues tied to piston wear or pitting

Installation Notes and Tips

Verify piston diameter, inside diameter, and thickness against the removed part before installation. Clean the caliper bore thoroughly, inspect the seal groove and dust boot area, and confirm the piston surface is free of scoring before assembly. For Land Rover Discovery and Range Rover front brake service, match the piston to the caliper design and brake hydraulic specifications used on the vehicle.

Quality Assurance

Centric’s Premium Steel & Aluminum Caliper Pistons line is built for brake hydraulic service with attention to material and dimensional accuracy. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.