Mahle K31231 Engine Water Pump Gasket

Engine Water Pump Gasket for Nissan Applications

The Mahle K31231 engine water pump gasket is an OEM-standard sealing solution for select Nissan cooling system repairs. Built with paper gasket material, it provides a precise sealing surface for water pump service on applications such as the Nissan Frontier, Xterra, 240SX, Pickup, and D21.

Mahle gaskets are used by technicians who need consistent sealing performance and accurate fitment for engine cooling repairs. This Mahle K31231 gasket is a direct service part for water pump replacement work where a clean, reliable seal is required.

Key Features

• OEM Standard item grade for service-level replacement
• Paper gasket material for water pump sealing applications
• Engine water pump gasket for cooling system maintenance
• Mahle sealing product engineered for select Nissan models
• Cross-references FEL-PRO 35465 for the same application

Detailed Description

Mahle K31231 is an engine water pump gasket designed for Nissan cooling system service across model years including 1989-2004, depending on vehicle. It is listed for the Nissan 240SX, D21, Frontier, Pickup, and Xterra, making it a practical choice when replacing a water pump on these platforms. The paper gasket construction supports a traditional sealing interface between the pump and engine mating surface.

Use this gasket when servicing a Nissan Frontier water pump, Nissan Xterra cooling repair, or other listed Nissan applications that require Mahle K31231. The part number K31231 is also useful when matching an OE-style replacement by catalog reference.

What This Part Helps Address

• Coolant seepage at the water pump mounting surface
• Loss of seal after water pump removal and reinstallation
• Sealing issues during Nissan cooling system repair
• Replacement of a worn or damaged water pump gasket
• Fitment matching for Nissan 240SX, Pickup, D21, Frontier, and Xterra service

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and verify that the water pump and engine flange are free of old gasket material, corrosion, and debris. Confirm vehicle fitment by year and model before ordering, since K31231 is not compatible with paper engine oil pan gasket applications noted in the fitment data.

For best sealing results, follow the vehicle service manual for torque sequence and coolant refill procedures after water pump installation.

Quality Assurance

Mahle supplies sealing products used by OEMs and technicians worldwide, and this gasket is built to OEM-standard expectations for service replacement. Part number K31231 is engineered as a dependable sealing component for listed Nissan water pump applications.