• Specially designed wrenches for removing and replacing the main filter collar as well as the vent cap on aftermarket diesel fuel filter systems • 5" wrench with a unique half-moon design provide easier access to the fuel filter • High strength steel prevents the wrench from flexing while loosening stubborn filter collars • Four teeth grab the vent cap securely to prevent damage • 5" wrench works on any diesel engine with fuel flow rates up to 60 gph, Class 4, 5, & 6 trucks, pickup trucks, refrigeration units, and some Biodiesel applications
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