Product Description
MAHLE C32631 is the OE-style molded-rubber water inlet (lower coolant pipe) O-ring for the 1994–2003 Ford 7.3L Power Stroke. It restores a positive seal at the water inlet tube to prevent coolant leaks after service.
- Application: 7.3L Power Stroke (Ford 1994–2003)
- Material: Molded rubber (O-ring)
- Location: Lower water inlet tube at water pump
- GTIN/UPC: 027067018038
Fitment
- 1994–2003 Ford F-250 / F-350 / F-450 / F-550 with 7.3L Power Stroke (all trims)
- 1995–2003 Ford E-Series 7.3L (where equipped)
- 2000–2003 Ford Excursion 7.3L
Cross Reference Numbers
- Ford OE: F81Z-8255-AA (Engine Coolant Pipe O-Ring)
- MAHLE: C32631
- UPC/GTIN: 027067018038
What’s Included
(1) Water inlet O-ring (lower coolant pipe to water pump).
FAQ
Will this fit all 7.3L Power Stroke years?
Yes. It fits 1994–2003 Ford 7.3L Power Stroke trucks and related 7.3L applications listed in the fitment above.
Where does this O-ring install?
At the lower water inlet tube where it seats into the water pump housing—commonly replaced during pump or pipe service.
Is this OEM quality?
Yes—MAHLE builds OE-grade sealing components; this part matches OE form, fit, and function.
Any install tips?
Lightly lubricate the O-ring, clean mating surfaces, and verify the tube seats fully to avoid pinching. Always pressure-test the cooling system after service.