Product Description
MAHLE GS33711 is a complete fuel injector seal kit for the 2003–2007 Ford 6.0L Power Stroke. It’s an OE-quality solution to reseal all 8 injectors and stop fuel/oil leaks that cause hard starts, rough idle, and low rail pressure.
- Direct-fit replacement; does all 8 injectors
- Includes: steel snap rings, injector D-rings, upper & lower injector O-rings, copper crush washers, outer & inner injector harness O-rings
- OE-grade materials for factory-like sealing and service life
- Warranty: 1-Year Limited
Fitment
- 2003, 2004, 2005, 2006, 2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.0L Power Stroke (VIN P)
- Also commonly used on certain 2004–2010 E-Series 6.0L applications (E-350/E-450). Verify by VIN before ordering.
Cross Reference Numbers
- Ford / Motorcraft: 3C3Z-9229-AA, CM-5055
- Fel-Pro: ES73181
- MAHLE/UPC (GTIN): 027067055552
What’s Included
Eight injector seal sets and hardware to service all injectors: steel snap rings, D-rings, upper/lower O-rings, copper washers, and injector harness O-rings.
FAQ
Does this kit service all eight injectors?
Yes. GS33711 is a master set that includes seals and hardware for all 8 injectors on the 6.0L Power Stroke.
Will it fix hard starts and fuel in oil?
It addresses common seal failure points that cause hard starts, rough idle, and fuel/oil cross-leaks. Inspect injector bodies for damage before re-use.
Is this OEM-grade?
MAHLE builds to OE standards for fit and durability. Many shops use this kit for complete injector reseals.
Any install tips?
Clean grooves and bores thoroughly, lightly oil O-rings, and torque per Ford specs. Replace any deformed snap rings and always use new copper washers.