Product Description
MAHLE D32786 is the molded-rubber fuel pressure regulator cover O-ring that seals the regulator on the fuel filter bowl of the 2003–2007 Ford 6.0L Power Stroke. Replacing this seal helps prevent hot-start issues, hard starts, and fuel leaks caused by a flattened or torn factory O-ring.
- Application: Fuel pressure regulator cover O-ring (fuel filter bowl)
- Material: Molded high-temperature rubber (OE-style)
- Sold individually
Fitment
- 2003–2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.0L Power Stroke diesel
Direct fit for 6.0L fuel pressure regulator cover; see cross-references below for OEM equivalents.
Cross Reference / Alternatives
- Ford OE: 3C3Z-9C065-AA (regulator housing O-ring).
- Aftermarket equivalents: Bostech BT7002814.
- Additional interchange seen in marketplace listings: 71-18813-00, 73116.
FAQ
Will this fix my fuel leak around the regulator?Yes—if the leak is from the fuel pressure regulator cover on the filter bowl, this molded O-ring is the correct seal to replace.
Does this fit all 6.0L Super Duty years?It fits 2003–2007 F-250/F-350/F-450/F-550 with the 6.0L Power Stroke as listed above.
Is any hardware included?No—this listing is for the O-ring only. Reuse your regulator cover and fasteners if in good condition.
Any install tips?Lightly lubricate the O-ring with clean diesel or engine oil, ensure the groove is clean, and torque the regulator cover evenly to avoid pinching.
