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12V Cummins O-Ringed Loaded Cylinder Head – OEM Replacement (1994–1998)
Part #: PP-12VLOEM-ORINGED
Restore and upgrade your 1994–1998 Dodge 5.9L 12V Cummins with the Powerstroke Products Loaded O-Ringed Cylinder Head. Built from a brand-new casting, this cylinder head features a machined O-ring sealing surface for improved combustion sealing under load, along with all-new OEM-spec valvetrain components—including valves, seals, springs, retainers, and locks—fully assembled and ready for installation.
The O-ringed design improves gasket clamping around the combustion chamber, reducing the chance of head gasket failure—especially in high-compression or towing applications. Backed by a 1-year unlimited mileage warranty, this is the smart upgrade for any stock or lightly modified 12V Cummins build.
Brand-new casting – not remanufactured, no core required
O-ringed sealing surface – enhanced head gasket retention
Ships fully assembled with new valves, springs, seals, retainers, and locks
Direct OEM replacement for reliable stock performance with upgraded sealing
Requires MLS head gasket for proper sealing
1-Year / Unlimited Mileage Warranty
