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Walker 31657 Exhaust Pipe Flange Gasket
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.
| Brand | Walker |
| Part Number | 31657 |
| Gasket Type | Donut |
| Inside Diameter | 2.5 |
| Material | High Temperature Graphite With Wire Mesh Core |
| Outside Diameter | 3.5 |
| Thickness | 0.97 |
This part fits 87 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | GMC | Yukon XL | 5.3L | V8 | N/A | ||
| 2018 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | ||
| 2018 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | ||
| 2018 | GMC | Sierra 1500 | 5.3L | V8 | N/A | ||
| 2018 | GMC | Sierra 1500 | 4.3L | V6 | N/A | ||
| 2018 | GMC | Yukon XL | 5.3L | V8 | N/A | ||
| 2017 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | ||
| 2017 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | ||
| 2017 | Chevrolet | Tahoe | 5.3L | V8 | N/A | ||
| 2017 | GMC | Sierra 1500 | 5.3L | V8 | N/A | ||
| 2017 | GMC | Sierra 1500 | 4.3L | V6 | N/A | ||
| 2017 | GMC | Yukon | 5.3L | V8 | N/A | ||
| 2017 | GMC | Yukon XL | 5.3L | V8 | N/A | ||
| 2016 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | ||
| 2016 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | ||
| 2016 | Chevrolet | Tahoe | 5.3L | V8 | N/A | ||
| 2016 | GMC | Sierra 1500 | 5.3L | V8 | N/A | ||
| 2016 | GMC | Sierra 1500 | 4.3L | V6 | N/A | ||
| 2016 | GMC | Yukon | 5.3L | V8 | N/A | ||
| 2016 | GMC | Yukon XL | 5.3L | V8 | N/A | ||
| 2015 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | ||
| 2015 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | ||
| 2015 | Chevrolet | Tahoe | 5.3L | V8 | N/A | ||
| 2015 | GMC | Sierra 1500 | 5.3L | V8 | N/A | ||
| 2015 | GMC | Sierra 1500 | 4.3L | V6 | N/A | ||
| 2015 | GMC | Yukon | 5.3L | V8 | N/A | ||
| 2015 | GMC | Yukon XL | 5.3L | V8 | N/A | ||
| 2014 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | ||
| 2014 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | ||
| 2014 | GMC | Sierra 1500 | 5.3L | V8 | N/A | ||
| 2014 | GMC | Sierra 1500 | 4.3L | V6 | N/A | ||
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | without Auto Air Leveling Suspension | |
| 2009 | GMC | Envoy | SLT | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2009 | GMC | Envoy | SLE | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | without Auto Air Leveling Suspension | |
| 2008 | GMC | Envoy | SLT | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2008 | GMC | Envoy | SLE | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2007 | Buick | Rainier | 4.2L | L6 | N/A | without Air Suspension | |
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | without Auto Air Leveling Suspension | |
| 2007 | GMC | Envoy | SLT | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2007 | GMC | Envoy | SLE | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2006 | Buick | Rainier | 4.2L | L6 | N/A | without Air Suspension | |
| 2006 | Chevrolet | Trailblazer | LT | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2006 | Chevrolet | Trailblazer | LS | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2006 | GMC | Envoy | SLT | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2006 | GMC | Envoy | SLE | 4.2L | L6 | N/A | without Auto Air Leveling Suspension |
| 2005 | Buick | Rainier | 4.2L | L6 | N/A | ||
| 2005 | Chevrolet | Trailblazer | LS | 4.2L | L6 | N/A | |
| 2005 | Chevrolet | Trailblazer | LT | 4.2L | L6 | N/A | |
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | ||
| 2005 | GMC | Envoy | SLE | 4.2L | L6 | N/A | |
| 2005 | GMC | Envoy | SLT | 4.2L | L6 | N/A | |
| 2005 | GMC | Envoy XL | 4.2L | L6 | N/A | ||
| 2005 | GMC | Envoy XUV | 4.2L | L6 | N/A | ||
| 2005 | Isuzu | Ascender | 4.2L | L6 | N/A | without Extended Wheelbase | |
| 2005 | Isuzu | Ascender | 4.2L | L6 | N/A | Extended Wheelbase | |
| 2004 | Buick | Rainier | 4.2L | L6 | N/A | ||
| 2004 | Chevrolet | Trailblazer | North Face | 4.2L | L6 | N/A | |
| 2004 | Chevrolet | Trailblazer | LS | 4.2L | L6 | N/A | |
| 2004 | Chevrolet | Trailblazer | LT | 4.2L | L6 | N/A | |
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | ||
| 2004 | GMC | Envoy | SLE | 4.2L | L6 | N/A | |
| 2004 | GMC | Envoy | SLT | 4.2L | L6 | N/A | |
| 2004 | GMC | Envoy XL | 4.2L | L6 | N/A | ||
| 2004 | GMC | Envoy XUV | 4.2L | L6 | N/A | ||
| 2004 | Isuzu | Ascender | 4.2L | L6 | N/A | without Extended Wheelbase | |
| 2004 | Isuzu | Ascender | 4.2L | L6 | N/A | Extended Wheelbase | |
| 2004 | Oldsmobile | Bravada | 4.2L | L6 | N/A | ||
| 2003 | Chevrolet | Trailblazer | North Face | 4.2L | L6 | N/A | |
| 2003 | Chevrolet | Trailblazer | LTZ | 4.2L | L6 | N/A | |
| 2003 | Chevrolet | Trailblazer | LS | 4.2L | L6 | N/A | |
| 2003 | Chevrolet | Trailblazer | LT | 4.2L | L6 | N/A | |
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | ||
| 2003 | GMC | Envoy | SLE | 4.2L | L6 | N/A | |
| 2003 | GMC | Envoy | SLT | 4.2L | L6 | N/A | |
| 2003 | GMC | Envoy XL | 4.2L | L6 | N/A | ||
| 2003 | Isuzu | Ascender | 4.2L | L6 | N/A | Extended Wheelbase | |
| 2003 | Oldsmobile | Bravada | 4.2L | L6 | N/A | ||
| 2002 | Chevrolet | Trailblazer | North Face | 4.2L | L6 | N/A | |
| 2002 | Chevrolet | Trailblazer | LTZ | 4.2L | L6 | N/A | |
| 2002 | Chevrolet | Trailblazer | LS | 4.2L | L6 | N/A | |
| 2002 | Chevrolet | Trailblazer | LT | 4.2L | L6 | N/A | |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | ||
| 2002 | GMC | Envoy | SLE | 4.2L | L6 | N/A | |
| 2002 | GMC | Envoy | SLT | 4.2L | L6 | N/A | |
| 2002 | GMC | Envoy XL | 4.2L | L6 | N/A | ||
| 2002 | Oldsmobile | Bravada | 4.2L | L6 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.