Frenkit 738115 Disc Brake Caliper Repair Kit - Rear

Rear Brake Caliper Repair Kit for Bosch Systems

Frenkit 738115 is a disc brake caliper repair kit for rear Bosch brake systems with a 38mm caliper piston diameter. It is built for service work on Volkswagen and Audi rear calipers that match the listed OE numbers, including common applications on the Volkswagen Beetle, Golf, GTI, Jetta, Passat, Eos, and Audi A3.

Key Features

• Disc brake caliper repair kit for rear Bosch calipers
• Caliper piston diameter: 38mm
• Direct service part for OE caliper numbers 5K0615423 and 5K0615423A where listed
• Fits a range of Volkswagen and Audi rear brake applications
• Frenkit part number 738115 for catalog and service matching

Detailed Description

This Frenkit 738115 caliper repair kit is specified for Bosch rear brake systems and is matched to 38mm piston calipers used across several Volkswagen and Audi platforms. It is a practical choice when servicing a rear disc brake caliper that matches OE number 5K0615423 or 5K0615423A, including rear brake service on the Volkswagen Beetle, Golf, GTI, Jetta, Passat, Eos, and Audi A3. Use part number 738115 to confirm the correct repair kit against the caliper on the vehicle.

This part cross-references OE caliper numbers 5K0615423 and 5K0615423A for the same application.

What It Is Used For

• Repairing a rear caliper with sticking or uneven piston movement
• Restoring sealing surfaces in a Bosch rear brake caliper
• Addressing brake fluid seepage at the caliper during service
• Refreshing worn caliper components during brake maintenance
• Supporting proper rear brake operation on Volkswagen and Audi applications

Installation Notes and Tips

Verify the brake system is Bosch and confirm the caliper piston diameter is 38mm before ordering. Match the OE caliper number on the existing rear caliper to 5K0615423 or 5K0615423A where applicable. Clean the caliper thoroughly during service and inspect the piston, bore, and sealing surfaces for wear before reassembly. Confirm fitment by vehicle, position, and caliper number before installation.

Quality Assurance

Frenkit manufactures brake service components for caliper repair applications, and this kit is cataloged for Bosch rear calipers with the specified piston diameter. Part number 738115 is intended for accurate service matching on the listed Volkswagen and Audi rear brake applications.