HomeExhaust > Gaskets and Sealing SystemsWalker 31643 Exhaust Pipe Flange Gasket
Part #: 31643

Walker 31643 Exhaust Pipe Flange Gasket

⚙️ 71 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Pontiac, Saturn, and Oldsmobile, HHR, Cobalt, G5, Vue, Ion, Pursuit, Cavalier, Classic, Grand Am, Sunfire, Alero, L300, L200, LW200, L100, LS, LS1, and LW1
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Overview of Walker Exhaust Pipe Flange Gasket 31643

The Walker 31643 exhaust pipe flange gasket is designed for reliable sealing in exhaust systems of select Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles. Engineered with durable materials, this gasket ensures a secure fit and helps maintain exhaust integrity.

  • Compatible with Chevrolet Alero, Cavalier, Cobalt, G5, HHR, Ion, and Sunfire models
  • Fits Oldsmobile Alero, Grand Am, and Pursuit vehicles
  • Suitable for Pontiac Grand Am, G5, and Pursuit models
  • Also fits Saturn L100, L200, L300, LS, LS1, LW1, LW200, and Vue
  • Part number 31643 for precise identification

Key Features and Specifications

  • Gasket type: 3 bolt exhaust pipe flange gasket
  • Bolt hole center to center distance: 4.375 inches
  • Bolt hole diameter: 0.5 inches
  • Material: Perforated metal with fiber core and metal fire ring for enhanced durability
  • Port dimensions: 3.25 inches length and width
  • Thickness: 0.07 inches for optimal sealing performance

Detailed Product Description

The Walker 31643 exhaust pipe flange gasket is constructed from perforated metal combined with a fiber core and a metal fire ring, providing a robust seal capable of withstanding high temperatures and exhaust system vibrations. The 3 bolt design with a 4.375-inch bolt hole center spacing and 0.5-inch bolt hole diameter ensures compatibility with specific exhaust flange configurations found on various Chevrolet, Oldsmobile, Pontiac, and Saturn models. The gasket’s 3.25-inch port dimensions and 0.07-inch thickness contribute to a precise fit that helps prevent exhaust leaks and maintains system efficiency.

Common Applications and Problem Solving

  • Sealing exhaust pipe flanges to prevent exhaust leaks
  • Replacing worn or damaged gaskets in Chevrolet Cavalier and Pontiac Grand Am exhaust systems
  • Addressing exhaust noise caused by gasket failure in Saturn Vue and Oldsmobile Alero
  • Maintaining proper exhaust backpressure for engine performance in Chevrolet Cobalt and Saturn LS1
  • Preventing exhaust fumes from entering the cabin due to gasket deterioration

Installation Notes and Tips

  • Ensure mating surfaces are clean and free of debris before installation
  • Use the correct torque specifications for the 3 bolt flange to avoid gasket damage
  • Inspect bolts and flange condition; replace any corroded or damaged hardware
  • Verify gasket orientation matches the port dimensions for proper sealing
  • Check for exhaust leaks after installation and retighten bolts if necessary

Quality Assurance and Warranty

Walker exhaust gaskets are manufactured to meet industry standards for durability and performance. The 31643 gasket is made with high-quality materials designed to resist heat and corrosion. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product’s reliability for compatible Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles.

BrandWalker
Part Number31643
Bolt Hole Center To Bolt Hole Center 14.375
Bolt Hole Diameter0.5
Gasket Type3 Bolt
MaterialPerforated Metal With Fiber Core And Metal Fire Ring
Port 1 Length3.25
Port 1 Width3.25
Thickness0.07

This part fits 71 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011ChevroletHHR2.4LL4N/A
2011ChevroletHHR2.2LL4N/A
2010ChevroletCobalt2.2LL4N/A
2010ChevroletHHR2.4LL4N/A
2010ChevroletHHR2.2LL4N/A
2010PontiacG52.2LL4N/A
2010SaturnVue2.4LL4N/A
2009ChevroletCobalt2.2LL4N/A
2009ChevroletHHR2.4LL4N/A
2009ChevroletHHR2.2LL4N/A
2009PontiacG52.2LL4N/A
2009SaturnVue2.4LL4N/A
2008ChevroletCobalt2.2LL4N/A
2008ChevroletCobalt2.4LL4N/A
2008ChevroletHHR2.4LL4N/A
2008ChevroletHHR2.2LL4N/A
2008PontiacG52.2LL4N/A
2008SaturnVue2.4LL4N/A
2007ChevroletCobalt2.2LL4N/A
2007ChevroletCobalt2.4LL4N/A
2007ChevroletHHR2.4LL4N/A
2007ChevroletHHR2.2LL4N/A
2007PontiacG52.4LL4N/A
2007PontiacG52.2LL4N/A
2007SaturnIon2.2LL4N/A
2007SaturnIon2.4LL4N/A
2007SaturnVue2.2LL4N/A
2006ChevroletCobalt2.2LL4N/A
2006ChevroletCobalt2.4LL4N/A
2006ChevroletHHR2.4LL4N/A
2006ChevroletHHR2.2LL4N/A
2006PontiacPursuit2.4LL4N/A
2006PontiacPursuit2.2LL4N/A
2006SaturnIon2.2LL4N/A
2006SaturnVue2.2LL4N/A
2005ChevroletCavalier2.2LL4N/A
2005ChevroletClassic2.2LL4N/A
2005ChevroletCobalt2.2LL4N/A
2005PontiacGrand AmSE2.2LL4N/A
2005PontiacSunfire2.2LL4N/A
2005SaturnIon2.2LL4N/A
2005SaturnVue2.2LL4N/A
2004ChevroletCavalier2.2LL4N/A
2004ChevroletClassic2.2LL4N/A
2004OldsmobileAlero2.2LL4N/A
2004PontiacGrand AmSE2.2LL4N/A
2004PontiacSunfire2.2LL4N/A
2004SaturnIon2.2LL4N/A
2004SaturnL3002.2LL4N/A
2004SaturnVue2.2LL4N/A
2003ChevroletCavalier2.2LL4N/A
2003OldsmobileAlero2.2LL4N/A
2003PontiacGrand Am2.2LL4N/A
2003PontiacSunfire2.2LL4N/A
2003SaturnIon2.2LL4N/A
2003SaturnL2002.2LL4N/A
2003SaturnLW2002.2LL4N/A
2003SaturnVue2.2LL4N/A
2002OldsmobileAlero2.2LL4N/A
2002PontiacGrand Am2.2LL4N/A
2002PontiacSunfire2.2LL4N/A
2002SaturnL1002.2LL4N/A
2002SaturnL2002.2LL4N/A
2002SaturnLW2002.2LL4N/A
2002SaturnVue2.2LL4N/A
2001SaturnL1002.2LL4N/A
2001SaturnL2002.2LL4N/A
2001SaturnLW2002.2LL4N/A
2000SaturnLS2.2LL4N/A
2000SaturnLS12.2LL4N/A
2000SaturnLW12.2LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13367-1256-10818403EG24367EG24367-001

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.