Mahle C31680 Engine Coolant Outlet Gasket

Engine Coolant Outlet Gasket for Nissan and INFINITI

The Mahle C31680 engine coolant outlet gasket is an OEM-standard sealing solution for coolant outlet service on a wide range of Nissan, INFINITI, and Suzuki applications. Built with rubber coated metal construction, it is made to deliver a precise seal at the water outlet connection where coolant leaks can develop over time.

Mahle engine coolant outlet gaskets are trusted by OEMs and technicians for consistent sealing performance. This part number, C31680, is a direct-fit style replacement for many Nissan Pathfinder, Murano, Maxima, and related V6 applications.

Key Features

• Brand: Mahle
• Part number: C31680
• Engine coolant outlet gasket for cooling system service
• Rubber coated metal gasket material for stable sealing
• OEM standard item grade
• No additional package contents
• Cross-reference: FEL-PRO 35620

Product Details

The Mahle C31680 is an engine coolant outlet gasket used at the water outlet to block and water outlet to manifold sealing points on many Nissan and INFINITI vehicles. Its rubber coated metal construction helps maintain a reliable seal under heat cycling and coolant exposure, making it a practical choice for cooling system repairs on vehicles such as the Nissan Altima, Nissan Maxima, Nissan Murano, Nissan Pathfinder, and INFINITI G37, Q50, QX60, and related models. If you are replacing a leaking coolant outlet seal, this gasket provides the OEM-standard fit and material type expected for these applications.

Common Repair Uses

• Stops coolant seepage at the water outlet housing
• Addresses leaks at the water outlet to block sealing surface
• Addresses leaks at the water outlet to manifold sealing surface
• Replaces a flattened, hardened, or heat-damaged gasket
• Supports cooling system reseal work during thermostat or outlet service

Installation Notes

Clean both mating surfaces thoroughly before installation and inspect the coolant outlet housing for corrosion, pitting, or warpage. Verify the gasket orientation against the removed part and follow the vehicle service manual for torque sequence and coolant refill procedures. This part fits 2018-2025 Nissan Pathfinder, 2018-2024 Nissan Murano, 2018-2023 Nissan Maxima, 2019-2021 Nissan 370Z, 2016-2021 Nissan NV1500, 2016-2021 Nissan NV2500, 2016-2021 Nissan NV3500, and additional listed Nissan, INFINITI, and Suzuki applications.

Quality Assurance

Mahle supplies sealing products used by OEMs and professional technicians worldwide. The C31680 is an OEM-standard gasket built to meet the material and fit expectations of the listed applications.