Frenkit 734057 Disc Brake Caliper Repair Kit - Rear

Rear Brake Caliper Repair Kit for Mercedes-Benz

Frenkit 734057 is a disc brake caliper repair kit for rear applications with a 34mm caliper piston diameter. It is specified for Mercedes-Benz models using brake caliper OE numbers A0004232381 and A0004232481, including B250, CLA250, GLA250, B250e, and B Electric Drive.

Key Features

• Disc brake caliper repair kit for rear brake service
• Caliper piston diameter: 34mm
• Application-specific to brake calipers with OE No. A0004232381 or A0004232481
• Fits Mercedes-Benz B250, CLA250, GLA250, B250e, and B Electric Drive rear brake setups
• Frenkit part number 734057 for catalog and service matching

Detailed Description

Frenkit 734057 is built for rear disc brake caliper repair on Mercedes-Benz vehicles equipped with a 34mm piston caliper. This kit is listed for 2013-2018 Mercedes-Benz B250 rear, 2014-2018 Mercedes-Benz CLA250 rear, 2015-2018 Mercedes-Benz GLA250 rear, 2016-2017 Mercedes-Benz B250e rear, and 2014-2015 Mercedes-Benz B Electric Drive rear, all with brake caliper OE No. A0004232381 or A0004232481. If you are searching for a rear brake caliper repair kit for Mercedes-Benz B250 or a Frenkit 734057 caliper service kit for CLA250 and GLA250 rear brakes, this part matches the stated OE caliper references and piston size.

What It Is Used For

• Restoring rear brake caliper sealing surfaces during caliper service
• Addressing brake fluid leakage at the caliper piston area
• Correcting sticking or uneven caliper piston movement
• Servicing worn rear calipers on Mercedes-Benz B250, CLA250, and GLA250 models
• Repairing calipers identified by OE numbers A0004232381 and A0004232481

Installation Notes and Tips

Verify the rear caliper OE number and confirm the 34mm piston diameter before ordering. Match the vehicle year, model, and rear position exactly to the listed applications. Clean the caliper body thoroughly during service and inspect the piston, bore, and slide components for wear before reassembly. Frenkit 734057 should be installed only on the brake caliper configuration shown in the fitment data.

Quality Assurance

Frenkit brake service components are cataloged for application-specific caliper repair work and OE-number matching. This part cross-references no additional part numbers in the provided data.