HomeExhaust > Gaskets and Sealing SystemsAP Exhaust 8731 Exhaust Pipe Flange Gasket - Left or Right
Part #: 8731

AP Exhaust 8731 Exhaust Pipe Flange Gasket - Left or Right

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⚙️ 86 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Mazda, Chevrolet, GMC, and Isuzu, Tacoma, CX-9, S10, Sonoma, and Hombre
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AP Exhaust 8731 Exhaust Pipe Flange Gasket Overview

The AP Exhaust 8731 exhaust pipe flange gasket is designed to provide a reliable seal for exhaust systems on select Chevrolet, GMC, Isuzu, Mazda, and Toyota vehicles. With a precise 2-inch inside diameter and a thickness of 1/16 inch, this gasket ensures a secure fit and effective exhaust sealing.

  • Inside diameter: 2 inches for accurate pipe fitment
  • Thickness: 1/16 inch for optimal sealing performance
  • Compatible with Chevrolet S10 and Sonoma models
  • Fits GMC Hombre and Isuzu models
  • Suitable for Mazda CX-9 and Toyota Tacoma exhaust systems

Detailed Product Description

The AP Exhaust 8731 exhaust pipe flange gasket is engineered to maintain a tight seal between exhaust pipe flanges, preventing leaks and ensuring proper exhaust flow. Its 2-inch inside diameter matches the pipe size commonly found on Chevrolet S10 and Sonoma, GMC Hombre, Isuzu, Mazda CX-9, and Toyota Tacoma models. The 1/16-inch thickness balances durability with flexibility, allowing the gasket to conform to flange surfaces and compensate for minor imperfections. This gasket is a critical component in maintaining exhaust system integrity and reducing noise and emissions.

Common Applications and Problem Solving

  • Sealing exhaust pipe flanges to prevent exhaust leaks
  • Reducing exhaust noise caused by flange gaps
  • Preventing harmful exhaust gases from escaping near the engine bay
  • Maintaining proper backpressure for engine performance
  • Replacing worn or damaged gaskets on Chevrolet S10, GMC Hombre, Mazda CX-9, and Toyota Tacoma exhaust systems

Installation Notes and Tips

  • Ensure flange surfaces are clean and free of rust or debris before installation
  • Use appropriate torque specifications to avoid over-tightening and gasket damage
  • Inspect the exhaust pipe and flange for warping or damage prior to gasket replacement
  • Apply anti-seize compound on bolts to facilitate future removal

Quality Assurance and Warranty

AP Exhaust manufactures the 8731 exhaust pipe flange gasket to meet industry standards for durability and fitment. While specific warranty details are not provided, AP Exhaust products are generally designed to offer consistent performance and reliability when installed correctly. For best results, use this gasket as a direct replacement part on compatible Chevrolet, GMC, Isuzu, Mazda, and Toyota models.

BrandAP Exhaust
Part Number8731
Inside Diameter2
Thickness1/16

This part fits 86 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersWheel BasePositionNotes
2020ToyotaTacoma3.5LV6127.4"LeftFits left side of exhaust pipe flange for various vehicles.
2020ToyotaTacoma3.5LV6140.6"LeftFits left side of exhaust pipe flange for various vehicles.
2020ToyotaTacoma3.5LV6127.4"RightFits right side exhaust pipe flange.
2020ToyotaTacoma3.5LV6140.6"RightFits right side exhaust pipe flange.
2019ToyotaTacoma3.5LV6140.6"LeftFits left side of exhaust pipe flange for various vehicles.
2019ToyotaTacoma3.5LV6127.4"LeftFits left side of exhaust pipe flange for various vehicles.
2019ToyotaTacoma3.5LV6127.4"RightFits right side exhaust pipe flange.
2019ToyotaTacoma3.5LV6140.6"RightFits right side exhaust pipe flange.
2018ToyotaTacoma3.5LV6127.4"LeftFits left side of exhaust pipe flange for various vehicles.
2018ToyotaTacoma3.5LV6140.6"LeftFits left side of exhaust pipe flange for various vehicles.
2018ToyotaTacoma3.5LV6127.4"RightFits right side exhaust pipe flange.
2018ToyotaTacoma3.5LV6140.6"RightFits right side exhaust pipe flange.
2017ToyotaTacoma3.5LV6140.6"LeftFits left side of exhaust pipe flange for various vehicles.
2017ToyotaTacoma3.5LV6127.4"LeftFits left side of exhaust pipe flange for various vehicles.
2017ToyotaTacoma3.5LV6140.6"RightFits right side exhaust pipe flange.
2017ToyotaTacoma3.5LV6127.4"RightFits right side exhaust pipe flange.
2016ToyotaTacoma3.5LV6127.4"LeftFits left side of exhaust pipe flange for various vehicles.
2016ToyotaTacoma3.5LV6140.6"LeftFits left side of exhaust pipe flange for various vehicles.
2016ToyotaTacoma3.5LV6127.4"RightFits right side exhaust pipe flange.
2016ToyotaTacoma3.5LV6140.6"RightFits right side exhaust pipe flange.
2015MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2015MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2014MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2014MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2013MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2013MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2012MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2012MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2011MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2011MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2010MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2010MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2009MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2009MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2008MazdaCX-93.7LV6LeftFits left side of exhaust pipe flange for various vehicles.
2008MazdaCX-93.7LV6RightFits right side exhaust pipe flange.
2007MazdaCX-93.5LV6LeftFits left side of exhaust pipe flange for various vehicles.
2007MazdaCX-93.5LV6RightFits right side exhaust pipe flange.
2003ChevroletS10RWD2.2LL4108.3"N/A
2003ChevroletS10RWD2.2LL4117.9"N/A
2003ChevroletS10RWD2.2LL4122.9"N/A
2003GMCSonomaRWD2.2LL4122.9"N/A
2003GMCSonomaRWD2.2LL4117.9"N/A
2003GMCSonomaRWD2.2LL4108.3"N/A
2002ChevroletS10RWD2.2LL4117.9"N/A
2002ChevroletS10RWD2.2LL4108.3"N/A
2002ChevroletS10RWD2.2LL4122.9"N/A
2002GMCSonomaRWD2.2LL4108.3"N/A
2002GMCSonomaRWD2.2LL4117.9"N/A
2002GMCSonomaRWD2.2LL4122.9"N/A
2001ChevroletS10RWD2.2LL4108.3"N/A
2001ChevroletS10RWD2.2LL4122.9"N/A
2001ChevroletS10RWD2.2LL4117.9"N/A
2001GMCSonomaRWD2.2LL4122.9"N/A
2001GMCSonomaRWD2.2LL4117.9"N/A
2001GMCSonomaRWD2.2LL4108.3"N/A
2000ChevroletS10RWD2.2LL4108.3"N/A
2000ChevroletS10RWD2.2LL4117.9"N/A
2000ChevroletS10RWD2.2LL4122.9"N/A
2000ChevroletS10RWD2.2LL4108.3"N/A(98-00)
2000ChevroletS10RWD2.2LL4117.9"N/A(98-00)
2000ChevroletS10RWD2.2LL4122.9"N/A(98-00)
2000GMCSonomaRWD2.2LL4117.9"N/A
2000GMCSonomaRWD2.2LL4108.3"N/A
2000GMCSonomaRWD2.2LL4122.9"N/A
2000GMCSonomaRWD2.2LL4122.9"N/A(98-00)
2000GMCSonomaRWD2.2LL4108.3"N/A(98-00)
2000GMCSonomaRWD2.2LL4117.9"N/A(98-00)
2000IsuzuHombreRWD2.2LL4122.9"N/A(98-00)
2000IsuzuHombreRWD2.2LL4108.3"N/A(98-00)
1999ChevroletS10RWD2.2LL4122.9"N/A(98-00)
1999ChevroletS10RWD2.2LL4108.3"N/A(98-00)
1999ChevroletS10RWD2.2LL4117.9"N/A(98-00)
1999GMCSonomaRWD2.2LL4122.9"N/A(98-00)
1999GMCSonomaRWD2.2LL4108.3"N/A(98-00)
1999GMCSonomaRWD2.2LL4117.9"N/A(98-00)
1999IsuzuHombreRWD2.2LL4122.9"N/A(98-00)
1999IsuzuHombreRWD2.2LL4108.3"N/A(98-00)
1998ChevroletS10RWD2.2LL4122.9"N/A(98-00)
1998ChevroletS10RWD2.2LL4117.9"N/A(98-00)
1998ChevroletS10RWD2.2LL4108.3"N/A(98-00)
1998GMCSonomaRWD2.2LL4108.3"N/A(98-00)
1998GMCSonomaRWD2.2LL4117.9"N/A(98-00)
1998GMCSonomaRWD2.2LL4122.9"N/A(98-00)
1998IsuzuHombreRWD2.2LL4108.3"N/A(98-00)
1998IsuzuHombreRWD2.2LL4122.9"N/A(98-00)

* 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:

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