Mahle G31857 Fuel Injection Throttle Body Mounting Gasket

Brand Mahle G31857
Additional Package Contents None
Item Grade Oem standard
Package Quantity 1
Throttle Body Gasket Material Molded rubber
Fits Buick, Chevrolet, Pontiac, and Saturn · 18 vehicles

OEM standard. Molded rubber gasket delivers reliable sealing at the throttle body.

Fuel injection throttle body mounting gasket for sealing system service.

Trusted by OEMs and technicians worldwide.

Cross-references FEL-PRO 61456 and General Motors 12579369 for the same application. See all 2.

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Mahle Fuel Injection Throttle Body Mounting Gasket G31857

Mahle G31857 is an OEM-standard fuel injection throttle body mounting gasket built with molded rubber for reliable sealing at the throttle body interface. It is made for service work on select Buick, Chevrolet, Pontiac, and Saturn applications where a precise throttle body gasket is needed.

Key Features

  • OEM-standard replacement gasket for fuel injection throttle body mounting
  • Molded rubber throttle body gasket material for consistent sealing
  • Mahle sealing technology trusted by OEMs and technicians
  • Direct-fit service part for select GM vehicles
  • Part number G31857 for easy identification

Detailed Description

Mahle G31857 is a fuel injection throttle body mounting gasket engineered for dependable sealing at the throttle body connection. As an OEM-standard part, it supports accurate fit and service-level performance on vehicles such as the 2004-2006 Chevrolet Malibu, 2005-2006 Chevrolet Equinox, and 2006-2007 Buick Rendezvous. This gasket is also used in select Pontiac G6, Pontiac Montana, Pontiac Torrent, Saturn Relay, Buick Terraza, and Chevrolet Uplander applications. This part cross-references FEL-PRO 61456 and General Motors 12579369 for the same application.

Common Problems This Part Can Help Address

  • Air leaks at the throttle body mounting surface
  • Rough idle caused by a poor throttle body seal
  • Vacuum-related drivability concerns from gasket wear
  • Service issues after throttle body removal and reinstallation
  • Seal degradation from age, heat, and engine exposure

Installation Notes and Tips

Inspect the throttle body and mating surfaces before installation and clean away old gasket material, oil, and carbon buildup. Confirm the gasket seats evenly against the mounting flange before tightening fasteners to the manufacturer’s specified torque sequence. For vehicles listed with thermostat-seal installation notes, follow the service procedure exactly and use the included gasket from that set where applicable.

Quality Assurance

Mahle gaskets are known for OEM-level sealing standards and are used by technicians and vehicle manufacturers worldwide. G31857 is built to meet OEM-standard expectations for fit and sealing performance in service applications.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2007BuickRendezvous3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006BuickRendezvous3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006BuickTerraza3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006ChevroletEquinox3.4LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006ChevroletMalibu3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006ChevroletUplander3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006PontiacG63.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006PontiacMontana3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006PontiacTorrent3.4LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006SaturnRelay3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005BuickTerraza3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005ChevroletEquinox3.4LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005ChevroletMalibu3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005ChevroletUplander3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005PontiacG63.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005PontiacMontana3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005SaturnRelay3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004ChevroletMalibu3.5LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — 61456General Motors — 12579369