Nugeon 99-02176A Disc Brake Caliper - Rear Left

Rear Left Reman Brake Caliper for Audi S4 and S5

Nugeon 99-02176A is a remanufactured rear left disc brake caliper for select Audi applications. It is built with an aluminum casting, a rust preventative finish, and the mounting bracket and installation hardware details needed for the listed fitments.

Key Features

• Remanufactured rear left disc brake caliper
• Fits 2010-2012 Audi S4, rear left
• Fits 2008-2012 Audi S5, rear left
• Supplied with mounting bracket
• Includes bleeder screw and dust boots
• Aluminum housing with rust preventative finish
• Single 43 mm steel piston
• Caliper slides included
• Inlet port thread size: M10-1.0

Product Details

This Nugeon reman caliper, part number 99-02176A, is designed for rear left brake service on Audi S4 and Audi S5 models listed above. The caliper uses a single 43 mm steel piston, includes a bleeder screw, and comes with a bracket, slides, and dust boots for the specified applications. Housing cast numbers 6454 and 3406 are listed for identification.

Nugeon’s Reman Caliper w/ Installation Hardware line focuses on remanufactured brake hydraulics built for direct replacement use. For shoppers searching for a rear left Audi S4 caliper or rear left Audi S5 brake caliper, 99-02176A provides the listed OE-style fitment details in one service part.

Common Brake Issues This Part Can Address

• Brake fluid seepage from a worn caliper body or piston seal
• Uneven rear brake performance on the left side
• Sticking or dragging caliper operation
• Corrosion on the caliper housing or hardware surfaces
• Bleeder screw service issues during brake maintenance

Installation Notes

Verify rear left placement before installation. Confirm M10-1.0 inlet and bleeder thread sizes, and compare the housing cast numbers and bracket configuration to the removed unit. This caliper is listed for 2010-2012 Audi S4, rear left, and 2008-2012 Audi S5, rear left, with notes indicating use without a parking brake motor.

Use fresh brake fluid and follow proper bleeding procedures after installation. Inspect pads, rotors, and brake hoses before returning the vehicle to service.

Quality Assurance

This is a remanufactured brake caliper from Nugeon, built with an aluminum casting, rust preventative finish, dust boots, and included hardware details for the listed applications. Part number 99-02176A is intended to match the specified Audi rear left fitments and brake connection requirements.