HomeExhaust > Gaskets and Sealing SystemsWalker 31657 Exhaust Pipe Flange Gasket
Part #: 31657

Walker 31657 Exhaust Pipe Flange Gasket

⚙️ 87 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, Isuzu, and Oldsmobile, Suburban, Yukon XL, Silverado 1500, Sierra 1500, Tahoe, Yukon, Trailblazer, Envoy, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, Ascender, and Bravada
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Overview of Walker 31657 Exhaust Pipe Flange Gasket

The Walker 31657 exhaust pipe flange gasket is designed for reliable sealing in exhaust systems of select Buick, Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Engineered with high temperature graphite and a wire mesh core, this donut-style gasket ensures a secure fit and effective exhaust sealing.

  • Donut-type exhaust pipe flange gasket
  • Inside diameter: 2.5 inches
  • Outside diameter: 3.5 inches
  • Thickness: 0.97 inches
  • Constructed from high temperature graphite with wire mesh core
  • Compatible with multiple GM and Isuzu models including Chevrolet Silverado 1500 and GMC Sierra 1500

Detailed Product Description

The Walker 31657 gasket is specifically designed to provide a durable seal between exhaust pipe flanges, preventing leaks and maintaining exhaust system integrity. Its donut shape fits precisely with an inside diameter of 2.5 inches and an outside diameter of 3.5 inches, with a thickness of 0.97 inches to accommodate flange spacing. The high temperature graphite material combined with a wire mesh core offers resistance to heat and corrosion, making it suitable for demanding exhaust environments found in vehicles such as the Chevrolet Tahoe, GMC Yukon XL, and Buick Rainier.

Compatible Vehicles and Applications

This exhaust pipe flange gasket is compatible with a range of vehicles, including:

  • Buick Ascender
  • Chevrolet Silverado 1500, Tahoe, Trailblazer, Trailblazer EXT
  • GMC Sierra 1500, Yukon, Yukon XL
  • Isuzu Bravada, Envoy, Envoy XL, Envoy XUV, Rainier
  • Oldsmobile models within similar exhaust configurations

Common Issues Addressed by Walker 31657 Gasket

  • Exhaust leaks at pipe flange connections
  • Noise caused by escaping exhaust gases
  • Corrosion and wear of existing gaskets
  • Reduced engine performance due to exhaust leaks
  • Emission control system malfunctions related to exhaust leaks

Installation Notes and Tips

  • Ensure mating flange surfaces are clean and free of debris before installation
  • Verify correct gasket orientation and size to match flange dimensions
  • Use proper torque specifications on flange bolts to avoid gasket damage
  • Inspect exhaust components for damage or warping prior to gasket replacement
  • Replace any worn or damaged hardware during installation for optimal sealing

Quality Assurance and Warranty

Walker exhaust gaskets are manufactured to meet industry standards for durability and heat resistance. The 31657 gasket is constructed with high temperature graphite and wire mesh core to withstand harsh exhaust conditions. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in material and workmanship, ensuring reliable performance when installed correctly.

BrandWalker
Part Number31657
Gasket TypeDonut
Inside Diameter2.5
MaterialHigh Temperature Graphite With Wire Mesh Core
Outside Diameter3.5
Thickness0.97

This part fits 87 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019GMCYukon XL5.3LV8N/A
2018ChevroletSilverado 15005.3LV8N/A
2018ChevroletSilverado 15004.3LV6N/A
2018GMCSierra 15005.3LV8N/A
2018GMCSierra 15004.3LV6N/A
2018GMCYukon XL5.3LV8N/A
2017ChevroletSilverado 15005.3LV8N/A
2017ChevroletSilverado 15004.3LV6N/A
2017ChevroletTahoe5.3LV8N/A
2017GMCSierra 15005.3LV8N/A
2017GMCSierra 15004.3LV6N/A
2017GMCYukon5.3LV8N/A
2017GMCYukon XL5.3LV8N/A
2016ChevroletSilverado 15005.3LV8N/A
2016ChevroletSilverado 15004.3LV6N/A
2016ChevroletTahoe5.3LV8N/A
2016GMCSierra 15005.3LV8N/A
2016GMCSierra 15004.3LV6N/A
2016GMCYukon5.3LV8N/A
2016GMCYukon XL5.3LV8N/A
2015ChevroletSilverado 15005.3LV8N/A
2015ChevroletSilverado 15004.3LV6N/A
2015ChevroletTahoe5.3LV8N/A
2015GMCSierra 15005.3LV8N/A
2015GMCSierra 15004.3LV6N/A
2015GMCYukon5.3LV8N/A
2015GMCYukon XL5.3LV8N/A
2014ChevroletSilverado 15005.3LV8N/A
2014ChevroletSilverado 15004.3LV6N/A
2014GMCSierra 15005.3LV8N/A
2014GMCSierra 15004.3LV6N/A
2009ChevroletTrailblazer4.2LL6N/Awithout Auto Air Leveling Suspension
2009GMCEnvoySLT4.2LL6N/Awithout Auto Air Leveling Suspension
2009GMCEnvoySLE4.2LL6N/Awithout Auto Air Leveling Suspension
2008ChevroletTrailblazer4.2LL6N/Awithout Auto Air Leveling Suspension
2008GMCEnvoySLT4.2LL6N/Awithout Auto Air Leveling Suspension
2008GMCEnvoySLE4.2LL6N/Awithout Auto Air Leveling Suspension
2007BuickRainier4.2LL6N/Awithout Air Suspension
2007ChevroletTrailblazer4.2LL6N/Awithout Auto Air Leveling Suspension
2007GMCEnvoySLT4.2LL6N/Awithout Auto Air Leveling Suspension
2007GMCEnvoySLE4.2LL6N/Awithout Auto Air Leveling Suspension
2006BuickRainier4.2LL6N/Awithout Air Suspension
2006ChevroletTrailblazerLT4.2LL6N/Awithout Auto Air Leveling Suspension
2006ChevroletTrailblazerLS4.2LL6N/Awithout Auto Air Leveling Suspension
2006GMCEnvoySLT4.2LL6N/Awithout Auto Air Leveling Suspension
2006GMCEnvoySLE4.2LL6N/Awithout Auto Air Leveling Suspension
2005BuickRainier4.2LL6N/A
2005ChevroletTrailblazerLS4.2LL6N/A
2005ChevroletTrailblazerLT4.2LL6N/A
2005ChevroletTrailblazer EXT4.2LL6N/A
2005GMCEnvoySLE4.2LL6N/A
2005GMCEnvoySLT4.2LL6N/A
2005GMCEnvoy XL4.2LL6N/A
2005GMCEnvoy XUV4.2LL6N/A
2005IsuzuAscender4.2LL6N/Awithout Extended Wheelbase
2005IsuzuAscender4.2LL6N/AExtended Wheelbase
2004BuickRainier4.2LL6N/A
2004ChevroletTrailblazerNorth Face4.2LL6N/A
2004ChevroletTrailblazerLS4.2LL6N/A
2004ChevroletTrailblazerLT4.2LL6N/A
2004ChevroletTrailblazer EXT4.2LL6N/A
2004GMCEnvoySLE4.2LL6N/A
2004GMCEnvoySLT4.2LL6N/A
2004GMCEnvoy XL4.2LL6N/A
2004GMCEnvoy XUV4.2LL6N/A
2004IsuzuAscender4.2LL6N/Awithout Extended Wheelbase
2004IsuzuAscender4.2LL6N/AExtended Wheelbase
2004OldsmobileBravada4.2LL6N/A
2003ChevroletTrailblazerNorth Face4.2LL6N/A
2003ChevroletTrailblazerLTZ4.2LL6N/A
2003ChevroletTrailblazerLS4.2LL6N/A
2003ChevroletTrailblazerLT4.2LL6N/A
2003ChevroletTrailblazer EXT4.2LL6N/A
2003GMCEnvoySLE4.2LL6N/A
2003GMCEnvoySLT4.2LL6N/A
2003GMCEnvoy XL4.2LL6N/A
2003IsuzuAscender4.2LL6N/AExtended Wheelbase
2003OldsmobileBravada4.2LL6N/A
2002ChevroletTrailblazerNorth Face4.2LL6N/A
2002ChevroletTrailblazerLTZ4.2LL6N/A
2002ChevroletTrailblazerLS4.2LL6N/A
2002ChevroletTrailblazerLT4.2LL6N/A
2002ChevroletTrailblazer EXT4.2LL6N/A
2002GMCEnvoySLE4.2LL6N/A
2002GMCEnvoySLT4.2LL6N/A
2002GMCEnvoy XL4.2LL6N/A
2002OldsmobileBravada4.2LL6N/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:

13358-1EG24358EG24358-001

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