Mahle G31678 EGR Valve Gasket

MAHLE EGR Valve Gasket for Nissan and Infiniti

MAHLE G31678 is a graphite exhaust gas recirculation gasket built for sealing the EGR tube connection on a range of Nissan and INFINITI applications. It is a direct-fit sealing solution for service work on models such as the Nissan Altima, Maxima, Murano, 350Z, Frontier, Xterra, and Quest, plus select INFINITI vehicles.

Key Features

• Graphite gasket material for dependable sealing at the EGR tube connection
• Engineered for emission control service on Nissan and INFINITI applications
• Paraphrased OE-style sealing product from MAHLE, a brand trusted by technicians and OEMs
• Direct replacement for common EGR tube gasket service needs
• Cross-reference: FEL-PRO 70893

Detailed Description

MAHLE G31678 is an exhaust gas recirculation valve gasket used to seal the EGR tube interface and help maintain a tight connection in the emission control system. The graphite construction is suited for high-temperature exhaust routing and service replacement on vehicles including the 2003-2008 Nissan Altima, 2003-2008 Nissan Maxima, 2003-2007 INFINITI G35, and 2004-2009 Nissan Quest. This part number also cross-references Datsun/Nissan 14719-4S100 and FEL-PRO 70893 for the same application.

Compatible With 2003-2008 Nissan Altima, N/A; 2003-2008 Nissan Maxima, N/A; 2003-2007 INFINITI G35, N/A; 2004-2009 Nissan Quest, N/A; and additional listed Nissan and INFINITI applications through 1995-2004 model years.

Common Issues This Part May Address

• Exhaust leakage at the EGR tube gasket surface
• Failed or deteriorated graphite sealing material
• Check engine light concerns related to EGR sealing faults
• Rough idle or drivability issues tied to exhaust gas recirculation leaks
• Service replacement after EGR valve or tube removal

Installation Notes and Tips

Clean both mating surfaces before installation and inspect the EGR tube and valve flange for warping, carbon buildup, or corrosion. Verify the gasket orientation against the original part and confirm vehicle-specific fitment before assembly. This gasket is listed for N/A position applications and should be installed where the original EGR tube gasket was removed.

Quality Assurance

MAHLE gaskets are used in OEM and technician service environments worldwide, with a focus on consistent sealing performance for emission control repairs. G31678 is built as a graphite sealing component for the listed Nissan and INFINITI applications.