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NHTSA Campaign 20E042000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Issued by Brake Parts Inc. · Reported Jun 24, 2020 · 1,339 vehicles affected

What's wrong

Brake Parts, Inc. (Brake Parts) is recalling certain brake master cylinders sold under Raybestos, NAPA, and AC Delco brands, part numbers MC391232, M4840, and 18M2578, respectively sold as aftermarket replacement parts for 2012-2017 Volkswagen Beetle, 2005-2018 Volkswagen Jetta and 2007-2010 Volkswagen Jetta GLI. The crimping of the aluminum housing may be insufficient, allowing the master cylinder piston to pop out of the housing.

Consequence

If the piston pops out of the master cylinder housing, a complete loss of braking or unintended brake application can occur, increasing the risk of a crash. Owners may initially notice brake fluid leaking onto the vacuum booster, or a change in brake pedal travel and feel.

Remedy

Brake Parts will notify the distributors that sold this product, and provide a replacement part, free of charge. The recall began August 13, 2020. Owners may contact NAPA customer service, at 1-800-272-5372; ACDelco: GM customer service at 1-815-759-7328; or Raybestos customer service at 1-800-323-0354.

Vehicles affected by this recall

Make Model Year Units
AC DELCO BRAKE MASTER CYLINDER 1,339
NAPA BRAKE MASTER CYLINDER 1,339
RAYBESTOS BRAKE MASTER CYLINDER 1,339

Source: NHTSA Campaign 20E042000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.