Located in the Smoky Mountains of Tennessee, Custom Diesel was born of a desire by owner John Griffiths to offer great American Made products at wholesale pricing. Since the birth of Custom Diesel we have sold tens of thousands of parts, both in the US and Internationally. A sample of the products we manufacture include: Ford and Dodge EGR Delete Kits, Dodge Steering Stabilizers, Ford Leveling Kits, GMC/Chevy Leveling Kits, and Engine Coolant Filtration Systems. By developing a solid line of high quality products, manufactured in our plant, we are able to control costs and deliver to you, our customer, the best available solution at rock bottom prices. We offer free UPS ground shipping at no additional cost on all Custom Diesel Brand products and all orders over $100. All Custom Diesel branded parts include a Limited Lifetime Warranty, Low Price Guarantee, Same day shipping, No Handling Charge and the Best Customer Service in the industry! Custom Diesel is also a retail outlet for top quality companies such as SCT, MBRP, H&S, FloPro, Edge, ARP, Mahle, Comp Cams, B&M, aFe, Flowmaster, SkyJacker, FabTech, Super Lift and many, many more. We want to be your number one source for all things diesel and we are willing to work harder than anyone else to accomplish that.