Description
5.9L Cummins Head Gasket Set – O-Ring Compatible, Standard Thickness (2003–2007)
Custom Head Gasket Set for OEM Cylinder Heads – No Injector Harness Included
This custom head gasket set is designed specifically for 2003–2007 5.9L Cummins engines and is built to accommodate an O-ringed cylinder head, providing enhanced sealing under boost and higher cylinder pressures. The set includes a standard thickness MLS head gasket and all essential top-end gaskets and seals — excluding the injector harness.
✅ Features:
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Custom MLS head gasket – designed to work with O-ringed cylinder heads
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Standard thickness – perfect for OEM deck heights
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Complete top-end gasket set – includes all required gaskets and seals (except injector harness)
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Compatible with OEM cylinder heads – no modifications needed
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Ideal for performance builds, top-end rebuilds, or preventative maintenance
🔧 Fitment:
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Fits 2003–2007 Dodge Ram 2500 & 3500 with the 5.9L 24V Cummins diesel engine
Whether you’re installing a performance head or replacing your head gasket with added sealing strength, this O-ring compatible gasket set provides reliability and peace of mind.


