Tenneco Master Cylinder – replacement part defect (2020)
Master cylinder fluid seal failure can reduce braking ability, potentially increasing crash risk.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
TENNECO MASTER CYLINDER
Brand
TENNECO
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Tenneco Automotive is recalling certain TENNECO MASTER CYLINDER equipment due to service brakes, hydraulic:foundation components:master cylinder issues. If there is a brake fluid leak, it can reduce braking ability, increasing the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Tenneco Automotive (Tenneco) is recalling certain Beck/Arnley Master Cylinders, part number 072-9831, sold as aftermarket or replacement parts for 2004-2018 Volkswagen Jetta, and 2012-2019 Volkswagen Beetle vehicles. The fluid seal crimp on the master cylinder may be insufficient, causing brake fluid to leak or the cylinder to come apart.
Reported concern (NHTSA)
If there is a brake fluid leak, it can reduce braking ability, increasing the risk of a crash.
Recommended Action
Per NHTSA guidance
Beck/Arnley will notify the distributors that sold the master cylinders and will work with the distributors to notify the end users. Affected master cylinders will be exchanged for a new master cylinder (part number 072-9990), free of charge. The recall began October 30, 2020. Owners may contact Tenneco customer service at 1-800-625-9319.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026