Top 20 Best Selling Fuel Leak Detectors (2018) Reviews


Take the guesswork & time out of detecting fuel/combustion leaks, stop and seal leaks with these top rated fuel leak detectors. Made by quality brands Lisle, Bar’s Products, Cliplight, Bars, Mastercool etc.



Checks for combustion leaks caused by bad head gaskets, cracked blocks, and cracked or warped heads. Fluid changes from blue to yellow when exposed to combustion gases from the radiator. Connect the hose to any vehicle vacuum line. Or, on tools made after ... more info

The most widely used cooling system protection in the world. Prevents the foramtion of rust scale. 10 oz. 12 per case. ... more info


Bars Leaks has millions of tiny particles to permanently seal leaks in plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs. Compatible with all brands of antifreeze, including extended life (green and orange). Lubr ... more info


Twice the performance, restores seal size, flexibility and elasticity lost due to engine heat, age and high mileage. Chemical polymers work where other stop leaks fail to seal leaks caused by normal engine wear. FUNCTION - Stops Engine Rear Main Seal Leak ... more info



Replacement Packets for 82KIT. Good for gas, oil, diesel fuels, hydraulic, transmission and power steering fluids. Multi Purpose Dye - Good For all petroleum based products. Easy to use packets - no mess. ... more info

Buy it by the case and save! Click here to see case price.Bars Leaks Head Gasket Repair is scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. For most vehicles, this is the last chance before going ... more info



Bars Leaks Liquid Aluminum Cooling System Stop Leak is the best radiator stop leak money can buy. Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Contains Xtreme Cool which stops overheating and ... more info

Bring life back to old jacks and prevent leaks and seepage on newer jacks. Mixes with all approved hydraulic jack oils. Includes easy fill cap. ... more info



The original pelletized formula. Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs. Specially formulated to stop larger leaks. Lubricates water pump seal and inhibits the formation ... more info


Helps prevent electrolysis. Protects the entire cooling system, Keeps engine oil seals soft & pliable. Helps stop leaks due to drying, hardening, or shrinking of engine oil seals and gaskets. Leaks usually stop within 100 miles or 2 to 3 days of driving. ... more info


America's leading brand quickly stops leaks, restores shifting and prevents future leaks in automatic transmissions. ... more info

Accurate, powerful UV and white light LEDs illuminate the suspect area for a crystal-clear view of leaks, component damage, contaminants, debris or other problems. Versatile - unique, dual-wavelength design offers the convenience of using the COBRA boresc ... more info




Keeps transmission seals soft & pliable Helps stop leaks due to drying, hardening, or shrinking of transmission seals. Reduces friction and wear in transmissions. Cleans and prevents harmful formation of sludge and varnish. ... more info

ATD Tools Deluxe Refrigerant Gas Leak Detector detects all HFC, HCFC and CFC refrigerants including SNAP blends . Features longer life and has heated sensor automatic calibration. Could be reset to ambient levels, 3 adjustable sensitivity levels and is a ... more info


What High Mileage Vehicles Need Today! Two chamber formula Restores Engine Performance! Increases Oil Pressure Restores Compression and Horsepower Reduces Knocking & Ticking Enhance the performance of high mileage vehicles and give them longer life.Conta ... more info


The most widely used cooling system protection in the world. Prevents the foramtion of rust scale. 12 per case. ... more info



Stops leaks and prevents costly repairs due to drying out, hardening, or shrinking of seals. Non-Corrosive, Non-Clogging, and Non-Foaming. Reduces bearing, piston, and valve noises. Mixes with all factory approved power steering fluids and synthetics. ... more info

This kit offers the Inspector (digital microprocessor controlled electronic leak detector) and the UV Dye Injection System. The cartridge type Mini Dye Injector is fast and easy to use. Just twist the handle to inject the appropriate amount of dye. Incl ... more info



What High Mileage Vehicles Need Today! Two chamber additive Restores Transmission Performance! Stops Slipping Reduces Rough & Lazy Shifting Restores & Stabilizes Fluid Reduces & Prevents Fluid Loss Enhance the performance of high mileage vehicles and ... more info

Safely stops leaks in plastic, aluminum and metal radiators, heater cores, gaskets and freeze plugs. Quickly and easily stops leaks in minutes. Compatible with all types of antifreeze, including extended life. ... more info

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