A/C Stop Leak & Cold Boost Products

Revolutionary non-polymer formula that safely seals A/C leaks and prevents future leaks

Revolutionary non-polymer formula that safely seals A/C leaks and prevents future leaks

Revolutionary non-polymer formula that safely seals A/C leaks and prevents future leaks

Blue Seal 2 oz. A/C Stop Leak features a proprietary non-polymer formula that safely seals all A/C leak types with an independently tested 95%+ success rate. Includes a reusable R-134a recharge hose for easy installation of Blue Seal Stop Leak and R-134a refrigerant.

Revolutionary non-polymer formula that safely seals A/C leaks — bundled with R134a recharge hose and pressure gauge

Advanced A/C system enhancer that improves cooling performance and efficiency

Advanced A/C system enhancer in precise syringe format for professional application

Advanced A/C system enhancer that seals leaks and boosts cooling — bundled with R134a recharge hose for easy installation

Advanced A/C system enhancer that seals leaks and boosts cooling — bundled with R134a recharge hose and pressure gauge

High-quality brass & durable rubber A/C refrigerant recharge hose for R134a systems

High-quality brass & durable rubber A/C refrigerant recharge hose with pressure gauge for R134a systems

Revolutionary non-polymer formula for 1234yf A/C systems that safely seals leaks and prevents future leaks

Professional syringe application for 1234yf A/C systems with precise dosing control

Convenient bottle format for 1234yf A/C systems with easy pouring application

Advanced A/C system enhancer for 1234yf systems that improves cooling performance and efficiency

Precise syringe application for 1234yf A/C systems with enhanced cooling performance

Professional-grade, easy-to-use solution to safely stop engine oil leaks without clogging or damaging engine components

Refill cartridge for the A/C Stop Leak 1234yf syringe applicator

Refill cartridge for the A/C Stop Leak syringe applicator

Refill cartridge for the A/C Cold Boost syringe applicator