Product Description
MAHLE G31817 is a molded-rubber throttle body mounting (base) gasket for 2003–2010 Ford 6.0L & 6.4L Powerstroke engines. It restores an OE-tight seal between the throttle body and intake elbow to prevent unmetered air leaks that can hurt drivability and efficiency.
- Application: 6.0L (2003–2007) & 6.4L (2008–2010) Powerstroke
- Material: Molded rubber (OEM standard)
- Quantity: 1 gasket
- Warranty: 1-Year Limited
Fitment
- 2003–2007 Ford Super Duty F-250/F-350/F-450/F-550 6.0L Powerstroke
- 2008–2010 Ford Super Duty F-250/F-350/F-450/F-550 6.4L Powerstroke
- 2003–2005 Ford Excursion 6.0L Powerstroke
- 2004–2010 Ford E-Series (E-350/E-450) 6.0L/6.4L where equipped
Cross Reference Numbers
- Ford OE: 3C3Z-9P457-AA, 8C3Z-9J559-A (aka 3C3Z9P457AA, 8C3Z9J559A)
- International/Navistar: 1840777C91
What’s Included
- (1) Throttle body mounting gasket
FAQ
Will this fit both 6.0L and 6.4L Powerstroke?
Yes—this gasket is listed for 2003–2010 6.0L and 6.4L Powerstroke applications. Verify by year/engine before ordering.
Is this an OEM-quality part?
Yes—MAHLE designs to OE fit and function with molded-rubber construction for high-temp durability.
How many gaskets are required?
One per throttle body.
Any special installation tips?
Clean mating surfaces, inspect the intake elbow, and torque fasteners to factory spec. Do not use sealant unless specified by Ford service information.
What are the OE cross numbers?
Ford 3C3Z-9P457-AA / 8C3Z-9J559-A; International 1840777C91.
