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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: PSPPP-12VLOEM-ORINGED Manufacturer Sku #: PP-12vLOEM-Oringed
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,759.00
1994 - 1998 Dodge Ram 2500
1994 - 1998 Dodge Ram 3500
Product Name: Powerstroke Products Cummins Head 12v 5.9L O-ringed Manufacturer: Powerstroke Products Manufacturer Part #: PSPPP-12VLOEM-ORINGED Thoroughbred Diesel Part #: PP-12VLOEM-ORINGED Fitment Notes: 1994-1998 Dodge RAM 2500/3500 5.9L 12V Cummins
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
Fits 1994–1998 Dodge Ram 2500 & 3500 with the 5.9L 12-valve Cummins diesel engine
Freight item – delivery in 3–7 business days
Installation instructions included
Whether you’re refreshing your workhorse or preparing for more boost, the PP-12VLOEM-ORINGED Loaded Cylinder Head gives your 12V Cummins the strength and reliability it needs—right out of the box.