ATE 020018 Drum Brake Wheel Cylinder - Rear

ATE Original Drum Brake Wheel Cylinder

The ATE Original Drum Brake Wheel Cylinder is a rear brake hydraulic component for select Audi applications. Built with corrosion-resistant aluminum in many ATE wheel cylinders, it helps resist brake fluid exposure while reducing weight compared with conventional designs. Part number 020018 is a direct-fit option for specific Audi 4000 and Audi Coupe rear drum brake setups.

Key Features

• Rear drum brake wheel cylinder for select Audi vehicles
• ATE Original Drum Brake Wheel Cylinder line
• Aluminum construction in many ATE wheel cylinders for corrosion resistance and lower weight
• Brake-fluid resistant design for hydraulic brake service
• Part number 020018 for application matching
• Mounting hardware not included

Fitment Details

Fits 1985-1987 Audi 4000, rear. Fits 1981-1983 Audi 4000, rear. Fits 1981-1982 Audi Coupe, rear. Fits 1980 Audi 4000, rear, from chassis # 0046050. This part cross-references ACI 81005 for the same application.

What It Helps Fix

• Rear wheel cylinder leakage in drum brake systems
• Brake fluid seepage at the wheel cylinder
• Uneven rear brake hydraulic pressure
• Soft or inconsistent rear drum brake response
• Corrosion-related wheel cylinder wear

Installation Notes

Confirm rear drum brake application, chassis notes, and hydraulic line fitment before installation. Inspect brake shoes, drums, and hardware for wear while servicing the wheel cylinder. Bleed the brake system after installation to remove air from the hydraulic circuit. Verify the mounting surface and brake fluid condition before returning the vehicle to service.

Quality Assurance

ATE Original brake hydraulics are built to OE-style standards for proper fit and dependable brake system service. The aluminum construction used in many ATE wheel cylinders supports corrosion resistance and reduced weight for long-term durability.