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Parts 42371980 Brake Master Cylinder Reservoir Cap

4.5 (2) Write Review
Free shipping on orders over $29.99

$12.06

$ 5 .99 $5.99

In Stock

About this item

  • Designed, engineered, tested, and warranted for GM vehicles
  • Precise fit for ease of installation
  • For proper installation, locate your nearest GM dealer, independent service center, or body shop


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Vic Conrad
April 26, 2025
Perfect fit for Chevy Spark brake fluid reservoir.
The Woj
January 17, 2025
The last time my daughter got her oil changed...they must have forgot the brake fluid cap. Nice huh! Anyway, got this in 2 days and a perfect fit. Issue solved.