Vacuum Bypass Caps Three Quarters Inch Inner Diameter Two Pack Universal Fit For Testing Carburetors And Vacuum Lines Heat Resistant Vinyl Leak Proof Seals Perfect For Emission Control Systems

Three-Quarters Inch Vacuum Caps - Heat-Resistant Dual Pack
✔️ Universal fit for testing carburetors and vacuum lines, 2-pack

Durable, heat-resistant vinyl vacuum caps designed to seal hoses and ports during carburetor testing, emissions work, and vacuum-line checks in automotive labs and repair shops.

✅ 3/4 in ID (19.05 mm) heat-resistant vinyl seals for engine bays
✅ Tight, leak-proof fit to prevent vacuum leaks during testing
✅ Includes two caps, universal fit for a range of tubes and hoses
✅ Color: Black; durable material withstands heat and chemical exposure

💡 What is a vacuum cap used for in automotive testing and maintenance?

They seal off vacuum ports and hoses to keep test data clean and accurate.

- Handy for carburetor tests and vacuum line checks
- Seals 3/4 in ID hoses (19.05 mm) for reliable results
- Heat-resistant vinyl resists engine bay temps and chemical exposure