Product Description
MAHLE K31802 is the OE-style water pump gasket for the early 6.0L Power Stroke. It seals the pump to the front cover on 2003–2004 Ford 6.0L engines that use the 90 mm water pump. Built to MAHLE’s OEM specifications for reliable, leak-free service.
- Engine: Ford Power Stroke 6.0L (International VT365)
- Position: Water Pump to Front Cover
- Pump Size: 90 mm (early build)
- Material: OE-equivalent elastomer gasket/O-ring
Fitment
- 2003–2004 Ford F-250 / F-350 / F-450 / F-550 Super Duty 6.0L Power Stroke (90 mm pump)
- 2003–2004 Ford Excursion 6.0L Power Stroke (90 mm pump)
Note: 2004.5–2007 trucks use the 100 mm pump and matching gasket (see MAHLE K31803).
Cross Reference / Related
- Ford OEM: 3C3Z-8507-AA (90 mm water pump gasket/O-ring)
- MAHLE: K31803 (100 mm pump gasket for 2004.5–2007)
Cross-reference Ford 3C3Z-8507-AA confirmed for 90 mm pump applications; MAHLE K31803 is the 100 mm counterpart.
FAQ
Will this fit my 2004?
If your 2004 has the early 90 mm water pump, yes. Mid-2004.5 and newer trucks use a 100 mm pump and need MAHLE K31803. Verify pump size before ordering.
Is this OEM quality?
Yes—MAHLE manufactures to OEM specifications for proper sealing and long service life.
What does this gasket seal?
It seals the water pump to the engine front cover on 6.0L Power Stroke engines, preventing coolant leaks at the pump interface.
