Your cart is empty.
Your cart is empty.Dorman offers a comprehensive line of Vacuum Caps for almost any automotive repair job. All our Vacuum Caps are constructed of high-quality materials for long-lasting durability.
TucoSalamanca
March 13, 2025
Use as intended, make sure you measure the diameter of what you are blocking off.
wtrks2e
March 11, 2025
I needed this larger cap for the vacuum port on my new LS3 engine. It fits perfectly.
Jacki
March 8, 2025
I crammed a 3/8" cap on a 1/2" outlet and it split causing a massive vacuum leak. Don't do that. Buy the right one. These are good quality. Buy these.
Matt Pitkin
February 26, 2025
Perfect fit
Stephen Holden
February 23, 2025
Anything Dorman is good.
Emoy
December 10, 2024
Used to cap vacuum port on LS6 intake manifold for power brake booster. Fits well and tight.
Recommended Products