Product Description
MAHLE GS33611 is an OE-quality high-pressure oil pump (HPOP) STC fitting O-ring seal kit for the 2003–2007 Ford 6.0L Powerstroke. Built to OE form, fit, and function, it restores a proper seal at the HPOP STC (Snap-To-Connect) fitting to help maintain stable high-pressure oil and reliable injector operation.
- Application: 6.0L Powerstroke (HPOP STC fitting)
- Includes seals for the 25 mm STC fitting adapter
- Meets or exceeds OE specifications
- Packaging: MAHLE shrink-wrapped tray for part verification
Fitment
- 2003, 2004, 2005, 2006, 2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.0L Powerstroke
Cross Reference / IDs
- OE Ref: W301727
- MAHLE MPN: GS33611
- GTIN/UPC: 027067866080
What’s Included
High-pressure oil pump STC fitting O-ring seals (for 25 mm adapter) to reseal the connection at the HPOP.
FAQ
Will this fit my 6.0L Powerstroke?
Yes. It’s listed for 2003–2007 Ford 6.0L Powerstroke applications using the STC-style HPOP fitting.
Does this kit stop hard-start or no-start issues?
It addresses leaks at the STC fitting that can cause high-pressure oil loss. Verify overall HPOP, IPR, oil rail, and standpipe health during diagnosis.
What size fitting does it cover?
It includes seals for the 25 mm STC fitting adapter as noted in the features.
Is this an OE-equivalent part?
Yes. MAHLE designs to OE form, fit, and function and meets or exceeds OE specs.
