Engine & Battery

Super concentrated detergent package rapidly cleans fuel system including injectors and intake valves. Exclusive Hydrobond Technology uses proprietary chemistry to “steam clean” combustion chamber deposits. This clean burn technology revitalizes...

Made of selected steels. Hardened for superior wear resistance. Matched to precision masters to insure precision. Width and thickness have been carefully determined to provide optimum rigidity-to-weight ratios.

Dual Chamber filters out alkaline particles that may cause a false positive. Higher accuracy test vs. Single chamber units. Universal test solution for gas and diesel stock just one chemical. Most competing kits use two chemicals. Custom foam lined...

Check for leaks. Push Button Valve eliminates the need to change hoses. Works on all cooling systems with "Fits-All" cone adapter.

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...

Works on 1994-2003 7.3 diesel engine in Ford 3/4-and 1-ton trucks. A complete kit with the tools you need to properly remove and install the rear main oil seal and wear ring on the crankshaft. Eliminates makeshift methods of seal removal and installation...

Need to manually rotate an engine? This tool makes the job easy. Just insert the tool into the flywheel housing until it engages the ring gear, then attach a 1/2" square drive ratchet or breaker bar and turn. The tools load-bearing collar provides...

Straight Handle Filter Wrench. 1" stainless steel band with special "teeth" grips tightly. Vinyl-covered handle provides firm, comfortable grip.

A handy tool to check ignition spark without removing the spark plug. The tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Easy to use. Simply adjust calibration screw to proper gap size...

Pliers for Removing Electrical Relays on Most Domestic and Import Vehicles. Offset handle and thin tips allow access to relays in confined areas. Specially designed tips are angled to fit slots or edge of relay cover. This allows relay to pop free from...

Includes a Support to Help Prevent Slipping The tool includes our standard 45900 Hood Prop plus a support to help prevent the bottom of the tool from slipping The three piece telescoping shaft locks in any position to hold the hood to the desired height...