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Thoroughbred Sku #: PSPPP-18MMLOEM-O Manufacturer Sku #: PP-18mmLOEM-O
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,234.00
2003 - 2005 Ford Excursion
2003 - 2005 Ford F450
2003 - 2006 Ford F250
2003 - 2006 Ford F350
Product Name: Powerstroke Products 18mm Head Loaded OEM With machined O-ring Manufacturer: Powerstroke Products Manufacturer Part #: PSPPP-18MMLOEM-O Thoroughbred Diesel Part #: PP-18MMLOEM-O Fitment Notes: 2003-2005 Ford F-250/F-350/F-450 | Excursion 6.0L Powerstroke
6.0L Powerstroke Loaded OEM O-Ringed Cylinder Head – 18mm Dowels (2003–2005)Part #: PP-18MMLOEM-O
Upgrade your top end for boosted power and enhanced reliability with the Powerstroke Products Loaded OEM O-Ringed Cylinder Head for 2003–2005 Ford 6.0L Powerstroke trucks. Built from a brand-new casting, this head is precision-machined for O-rings to help improve head gasket sealing by keeping combustion pressure in the cylinder—and out of the cooling system.
Ideal for mild performance upgrades or towing builds, this head comes fully assembled with new valves, springs, and seals, and is designed for 18mm dowel engines. No core required.
Fits 18mm dowel 6.0L Powerstroke engines
Brand-new casting – no remanufactured components or core exchange
O-ringed sealing surface – improved combustion sealing under load
Fully assembled with new valves, springs, and seals
Direct OEM replacement with upgraded sealing capability
1-Year / Unlimited Mileage Warranty
Sold individually
Fits 2003–2005 Ford F-250, F-350, F-450, and Excursion models with 6.0L Powerstroke
Please confirm dowel size before ordering
Use MLS head gasket only with O-ringed heads
Hot re-torque required to maintain warranty
Head studs sold separately – full line in stock
Not available for sale or use in the state of California
The PP-18MMLOEM-O Loaded O-Ringed Head is the ideal upgrade for 6.0L Powerstroke owners who want OEM reliability with enhanced sealing strength for performance or heavy-duty use.