Centric 145.45003 Disc Brake Caliper Piston - Front

Centric Premium Phenolic Caliper Piston

Centric Premium Phenolic Caliper Pistons part number 145.45003 is a disc brake caliper piston built for front brake applications on select Mazda, Ford, and Lincoln vehicles. The phenolic material helps maintain consistent brake system operation in demanding front axle service, with dimensions that match the listed OE-style applications.

Product Features

• Phenolic caliper piston construction for front disc brake use
• Outside diameter: 1.7628 in. / 45.20 mm
• Thickness: 0.38805 in. / 9.95 mm
• Inside diameter: 9.95 mm
• Length: 52.81 mm
• Centric Premium Phenolic Caliper Pistons line for brake hydraulic service

Detailed Description

Centric 145.45003 is a front disc brake caliper piston engineered for brake hydraulic repair where the original piston has worn, cracked, or no longer seals correctly. The phenolic material and listed dimensions make it a direct-fit service part for applications including 2021 Mazda CX-5 front, 2021 Mazda CX-9 front, 2016-2018 Mazda CX-9 front, 2019-2020 Mazda CX-9, 2020 Mazda CX-9 front with Hydro Max under 19.5K GVW, 2019 Mazda CX-9 front with Hydro Boost, 2007-2009 Ford Edge front, and 2007-2009 Lincoln MKX front. This part number 145.45003 is also listed for Lincoln MKX front applications with 320mm and 296mm front disc configurations.

The Centric Premium Phenolic Caliper Pistons product line focuses on brake hydraulic components for service work that requires accurate sizing and material consistency. For shoppers searching for a Mazda CX-9 front caliper piston, Ford Edge front brake piston, or Lincoln MKX front disc brake caliper piston, 145.45003 matches the fitment data provided here.

Common Repair Uses

• Replacing a damaged or heat-affected front caliper piston
• Restoring proper caliper sealing after brake hydraulic service
• Addressing brake drag caused by piston wear or scoring
• Correcting brake fluid leakage at the caliper piston area
• Servicing front brake calipers on Mazda CX-5, Mazda CX-9, Ford Edge, and Lincoln MKX applications

Installation Notes and Tips

Verify piston diameter, thickness, and inside diameter against the original caliper before installation. Confirm the vehicle’s brake configuration, including Hydro Max, Hydro Boost, and front disc size notes where listed, since fitment varies by application. Clean the caliper bore thoroughly, inspect the seal surfaces, and replace any worn hydraulic seals or dust components during service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Centric is a recognized brake parts brand with a dedicated Premium Phenolic Caliper Pistons line for brake hydraulic service. Part number 145.45003 is specified with exact dimensional data to support accurate application matching for the listed Mazda, Ford, and Lincoln front brake uses.