Cooling System

Coolant Line Connector Repair Kit

OTC Fuel Tank Adapter A gas tank and gas cap adapter for diagnosing tanks with conventional threaded type fuel filler caps. Designed to be used with EVAP system tester. Includes a male tank adapter and female cap adapter connected by a 40" hose...

Detects and exposes external system leaks Detects internal engine leaks due to blown gaskets or cracked block Includes blue and black radiator cap test connector Includes hand pump, thermometer and 12 adapters to fit most popular domestic and import car...

Tests automotive pressurized cooling systems up to 30 PSI Kit includes pump with gauge, 12" hose and cap adapter to check 3/4" deep filler necks, 1/4" Spacer Washer for testing 1" deep filler necks, plus 3 Radiator Adapters (#7090, #7091 &...

Eliminate airlocks in vehicle cooling systems and refills in seconds OEM approved worldwide! Features: Refills the entire cooling system including the Heater Core! Eliminate time consuming bleeding and purging Check for leaks while under...

OTC Tool number 7991 universal collant pressure test kit which works on many vehicles with few adapters. Now you can pressure test the cooling system on most cars, light commercial trucks, motorcycles and even marine applications. The tester's universal...

Designed to fit most domestic & foreign major car brands. Includes pressure testing pump with gauge and hose, thermometer, four chromed steel cap adapters, and eight anodized aluminum cap adapters. Includes a quick-connect adapter to allow use with...