HomeExhaust > Brackets, Flanges and HangersWalker 31923 Exhaust Flange
Part #: 31923

Walker 31923 Exhaust Flange

⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, P30, P3500, K30, and K3500
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Overview of Walker Exhaust Flange 31923

The Walker Exhaust Flange 31923 is designed for reliable exhaust system connections on Chevrolet and GMC trucks. Engineered from durable steel, this 3-bolt flange provides a precise fit for models including the Chevrolet K30, K3500, GMC P30, and P3500.

  • Constructed from sturdy steel material for durability
  • 3-bolt flange type ensures secure exhaust connections
  • Inside diameter of 2.65 inches for proper exhaust flow
  • Bolt hole center-to-center spacing of 3.5 inches for accurate fitment
  • Natural finish with a flange thickness of 0.32 inches
  • Flange dimensions: 3.875 inches length and 3.75 inches width

Detailed Product Description

The Walker 31923 exhaust flange is manufactured to meet the specifications required for heavy-duty Chevrolet and GMC trucks, specifically the K30, K3500, P30, and P3500 models. Its steel construction offers resistance to heat and corrosion, essential for maintaining exhaust system integrity. The 3-bolt flange design provides a secure and stable connection point between exhaust components, minimizing leaks and vibrations. With an inside diameter of 2.65 inches, this flange supports optimal exhaust gas flow, contributing to efficient engine performance. The precise bolt hole spacing of 3.5 inches center-to-center ensures compatibility with factory exhaust setups.

Common Applications and Problem Solving

  • Replacement of worn or damaged exhaust flanges on Chevrolet K30 and K3500 trucks
  • Repair of exhaust leaks caused by cracked or corroded flanges on GMC P30 and P3500 models
  • Restoration of exhaust system alignment and sealing for improved vehicle performance
  • Upgrading exhaust flange components during system maintenance or rebuilds

Installation Notes and Tips

  • Verify compatibility with your specific Chevrolet or GMC truck model before installation
  • Ensure mating surfaces are clean and free of debris to achieve a proper seal
  • Use appropriate torque specifications for the 3-bolt flange to prevent leaks or damage
  • Inspect related exhaust components for wear during replacement to avoid future issues

Quality Assurance and Warranty

Walker exhaust components are manufactured to meet industry standards for durability and fitment. The 31923 exhaust flange undergoes quality control checks to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Walker products typically include coverage against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.

BrandWalker
Part Number31923
Bolt Hole Center To Bolt Hole Center3.5
FinishNatural
Flange Length3.875
Flange Thickness0.32
Flange Type3 Bolt
Flange Width3.75
Inside Diameter2.65
MaterialSteel

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersWheel BasePositionNotes
1985ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1985GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1984ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1984GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1983ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1983GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1982ChevroletK307.4LV8131.5"N/ADo Not Use with Federal Emission Control or H5D Emissions
1982ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1982GMCK35007.4LV8131.5"N/ADo Not Use with Federal Emission Control or H5D Emissions
1982GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1981ChevroletK307.4LV8131.5"N/ADo Not Use with Federal Emission Control or H5D Emissions
1981ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1981GMCK35007.4LV8131.5"N/ADo Not Use with Federal Emission Control or H5D Emissions
1981GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1980ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1980GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1979ChevroletP307.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1979GMCP35007.4LV8N/ABefore 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions

* 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:

15501-1

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