American Cylinder Head celebrated 50 years in the cylinder head remanufacturing business in 2023 and we are your number one source for CNG, LNG and LPG cylinder heads. We are ISO 9001-2015 Compliant, which means that all of our cylinder heads go through the same testing criteria, per manufacturers standards.

Are you running a fleet of natural gas or propane trucks? We have the cylinder heads you need! All of our cylinder heads are remanufactured with ALL NEW parts, plus special hard seats to help extend the life of your cylinder head. Cummins ISL-G, ISX 12-G are two of the most common applications currently on the road. We have these heads in stock, ready for exchange.

American Cylinder Head also supplies an engine overhaul kit for the ISL-G. This kit includes: liners with o-rings, updated steel pistons with rings, rod bearings, main bearings with thrust washers, overhaul gasket set with pan gasket, new oil cooler and a head bolt set.

Do you have a different application you are working on? Trust our 50 years of cylinder head experience and give us a call at (800) 356-4889 or email and we will be happy to help you!