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Walker 31645 Exhaust Pipe Flange Gasket - Y-Pipe To Converter
| Brand | Walker 31645 |
|---|---|
| Position | Y-Pipe To Converter |
| Bolt Hole Center To Bolt Hole Center 1 | 2.500 |
| Bolt Hole Center To Bolt Hole Center 2 | 3.25 |
| Bolt Hole Diameter | 0.5 |
| Gasket Type | 3 Bolt |
| Material | Perforated Metal With Fiber Core And Metal Fire Ring |
| Port 1 Length | 2 |
| Port 1 Width | 2 |
| Thickness | 0.05 |
| Fits | Honda and Acura · 106 vehicles |
OE-style fit. Works with OE exhaust components and Walker aftermarket replacement parts.
3-bolt design. Built for a secure exhaust flange seal.
Perforated metal construction. With a fiber core and metal fire ring for dependable sealing.
Cross-references BRExhaust 256-111, BRExhaust 256-211 and BRExhaust 256-395 for the same application. See all 5.
Exhaust Flange Gasket for Honda and Acura
Walker 31645 is a 3-bolt exhaust pipe flange gasket built for exhaust repair at the flange connection. It uses perforated metal with a fiber core and metal fire ring to help seal the joint between the pipe and converter on select Honda and Acura applications.
Use Walker 31645 when you need a direct-fit exhaust flange gasket for Honda Accord, Prelude, Odyssey, Acura CL, Acura TL, and Acura Integra applications listed below. This gasket is sized for 2-inch by 2-inch ports and is designed around OE-style exhaust component dimensions.
Key Features
- 3-bolt exhaust pipe flange gasket design
- Perforated metal construction with fiber core and metal fire ring
- Port size: 2 in. x 2 in.
- Bolt hole center spacing: 2.500 in. and 3.25 in.
- Bolt hole diameter: 0.5 in.
- Thickness: 0.05 in.
- Walker 31645 for OE exhaust components and Walker aftermarket replacement parts
Detailed Description
Walker 31645 is an exhaust pipe flange gasket for sealing a 3-bolt exhaust connection in the exhaust system. The perforated metal body, fiber core, and metal fire ring are specified to support a tight seal at the flange interface, helping maintain exhaust flow integrity at the converter or Y-pipe connection. This part number is used across multiple Honda and Acura platforms, including 1999-2004 Honda Odyssey Y-Pipe To Converter, 1998-2002 Honda Accord Y-Pipe To Converter, 2001-2003 Acura CL, and 1999-2003 Acura TL. Walker 31645 also cross-references BRExhaust 256-111 for the same application.
What It Helps Fix
- Exhaust leaks at a 3-bolt flange connection
- Noise from a worn or damaged flange seal
- Loss of sealing between the Y-pipe and converter
- Corrosion-related gasket failure at the exhaust joint
- Service replacement on Honda Accord, Prelude, Odyssey, Acura CL, Acura TL, and Acura Integra exhaust systems
Installation Notes and Tips
Confirm bolt hole spacing, port size, and flange style before installation. This gasket is listed for 3-bolt applications with 2.500-inch and 3.25-inch bolt hole center spacing, so match the flange pattern to the vehicle and exhaust component before assembly. Clean both mating surfaces thoroughly and inspect the flange for warping or damage before installing the new gasket.
Fitment includes 1999-2004 Honda Odyssey Y-Pipe To Converter; 2001-2003 Acura CL; 1999-2003 Acura TL; 1998-2002 Honda Accord; 1986-1993 Honda Accord; 1998-2002 Honda Accord Y-Pipe To Converter; 1992-2001 Honda Prelude; 1985-1987 Honda Prelude; 1992 Honda Accord, USA Built; 1986-1987 Acura Integra; 1983-1987 Honda Prelude, without Canada Emissions; 1984-1985 Honda Accord, with Single Catalytic Converter; without Canada Emissions; and 1982-1983 Honda Accord, without Canada Emissions.
Quality Assurance
Walker designs this gasket for use with OE exhaust components and Walker aftermarket replacement parts, supporting a service-level exhaust repair on the listed Honda and Acura applications.
| Year | Make | Model | Submodel | Body Type | # Doors | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 2003 | Acura | CL | Base | — | — | — | 3.2L | V6 | N/A | — |
| 2003 | Acura | TL | Base | — | — | — | 3.2L | V6 | N/A | — |
| 2003 | Acura | TL | Type-S | — | — | — | 3.2L | V6 | N/A | — |
| 2003 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 2002 | Acura | CL | Base | — | — | — | 3.2L | V6 | N/A | — |
| 2002 | Acura | TL | Base | — | — | — | 3.2L | V6 | N/A | — |
| 2002 | Acura | TL | Type-S | — | — | — | 3.2L | V6 | N/A | — |
| 2002 | Honda | Accord | — | — | — | — | 2.3L | L4 | N/A | — |
| 2002 | Honda | Accord | EX | — | 4 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2002 | Honda | Accord | EX | — | 2 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2002 | Honda | Accord | LX | — | 4 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2002 | Honda | Accord | LX | — | 2 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2002 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 2001 | Acura | CL | Premium | — | — | — | 3.2L | V6 | N/A | — |
| 2001 | Acura | TL | — | — | — | — | 3.2L | V6 | N/A | — |
| 2001 | Honda | Accord | — | — | 4 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2001 | Honda | Accord | — | — | 2 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2001 | Honda | Accord | — | — | — | — | 2.3L | L4 | N/A | — |
| 2001 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 2001 | Honda | Prelude | Type SH | — | — | — | 2.2L | L4 | N/A | — |
| 2001 | Honda | Prelude | Base | — | — | — | 2.2L | L4 | N/A | — |
| 2000 | Acura | TL | — | — | — | — | 3.2L | V6 | N/A | — |
| 2000 | Honda | Accord | — | — | 4 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2000 | Honda | Accord | — | — | 2 Door | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 2000 | Honda | Accord | — | — | — | — | 2.3L | L4 | N/A | — |
| 2000 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 2000 | Honda | Prelude | Type SH | — | — | — | 2.2L | L4 | N/A | — |
| 2000 | Honda | Prelude | Base | — | — | — | 2.2L | L4 | N/A | — |
| 1999 | Acura | TL | — | — | — | — | 3.2L | V6 | N/A | — |
| 1999 | Honda | Accord | — | — | — | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 1999 | Honda | Accord | DX | — | — | — | 2.3L | L4 | N/A | — |
| 1999 | Honda | Accord | EX | — | — | — | 2.3L | L4 | N/A | — |
| 1999 | Honda | Accord | LX | — | — | — | 2.3L | L4 | N/A | — |
| 1999 | Honda | Odyssey | — | — | — | — | 3.5L | V6 | Y-Pipe To Converter | — |
| 1999 | Honda | Prelude | Type SH | — | — | — | 2.2L | L4 | N/A | — |
| 1999 | Honda | Prelude | Base | — | — | — | 2.2L | L4 | N/A | — |
| 1998 | Honda | Accord | — | — | — | — | 3.0L | V6 | Y-Pipe To Converter | — |
| 1998 | Honda | Accord | DX | — | — | — | 2.3L | L4 | N/A | — |
| 1998 | Honda | Accord | EX | — | — | — | 2.3L | L4 | N/A | — |
| 1998 | Honda | Accord | LX | — | — | — | 2.3L | L4 | N/A | — |
| 1998 | Honda | Prelude | Type SH | — | — | — | 2.2L | L4 | N/A | — |
| 1998 | Honda | Prelude | Base | — | — | — | 2.2L | L4 | N/A | — |
| 1997 | Honda | Prelude | Type SH | — | — | — | 2.2L | L4 | N/A | — |
| 1997 | Honda | Prelude | Base | — | — | — | 2.2L | L4 | N/A | — |
| 1996 | Honda | Prelude | — | — | — | — | 2.3L | L4 | N/A | — |
| 1996 | Honda | Prelude | S | — | — | — | 2.2L | L4 | N/A | — |
| 1995 | Honda | Prelude | — | — | — | — | 2.3L | L4 | N/A | — |
| 1995 | Honda | Prelude | — | — | — | — | 2.2L | L4 | N/A | — |
| 1994 | Honda | Prelude | — | — | — | — | 2.3L | L4 | N/A | — |
| 1994 | Honda | Prelude | — | — | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | DX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | DX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | LX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | EX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | SE | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | EX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | SE | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | LX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Accord | — | Wagon | — | — | 2.2L | L4 | N/A | — |
| 1993 | Honda | Prelude | — | — | — | — | 2.3L | L4 | N/A | — |
| 1993 | Honda | Prelude | — | — | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Accord | EX | Coupe | — | — | 2.2L | L4 | N/A | USA Built |
| 1992 | Honda | Accord | DX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Accord | DX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Accord | LX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Accord | LX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Accord | EX | Sedan | — | — | 2.2L | L4 | N/A | USA Built |
| 1992 | Honda | Accord | — | Wagon | — | — | 2.2L | L4 | N/A | — |
| 1992 | Honda | Prelude | — | — | — | — | 2.3L | L4 | N/A | — |
| 1992 | Honda | Prelude | — | — | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | EX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | DX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | DX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | LX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | EX | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | SE | Sedan | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | LX | Coupe | — | — | 2.2L | L4 | N/A | — |
| 1991 | Honda | Accord | — | Wagon | — | — | 2.2L | L4 | N/A | — |
| 1990 | Honda | Accord | EX | — | — | — | 2.2L | L4 | N/A | — |
| 1990 | Honda | Accord | LX | — | — | — | 2.2L | L4 | N/A | — |
| 1990 | Honda | Accord | DX | — | — | — | 2.2L | L4 | N/A | — |
| 1989 | Honda | Accord | LXi | — | 4 Door | — | 2.0L | L4 | N/A | — |
| 1989 | Honda | Accord | DX | — | 2 Door | — | 2.0L | L4 | N/A | — |
| 1989 | Honda | Accord | DX | — | 4 Door | — | 2.0L | L4 | N/A | — |
| 1989 | Honda | Accord | LXi | — | 2 Door | — | 2.0L | L4 | N/A | — |
| 1989 | Honda | Accord | — | — | — | Automatic | 2.0L | L4 | N/A | — |
| 1988 | Honda | Accord | DX | — | 2 Door | — | 2.0L | L4 | N/A | — |
| 1988 | Honda | Accord | DX | — | 4 Door | — | 2.0L | L4 | N/A | — |
| 1987 | Acura | Integra | — | — | — | — | 1.6L | L4 | N/A | — |
| 1987 | Honda | Accord | LXi | — | 4 Door | — | 2.0L | L4 | N/A | — |
| 1987 | Honda | Accord | DX | — | 4 Door | — | 2.0L | L4 | N/A | — |
| 1987 | Honda | Prelude | Base | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1987 | Honda | Prelude | — | — | — | — | 2.0L | L4 | N/A | — |
| 1986 | Acura | Integra | — | — | — | — | 1.6L | L4 | N/A | — |
| 1986 | Honda | Accord | — | — | — | — | 2.0L | L4 | N/A | — |
| 1986 | Honda | Prelude | Base | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1986 | Honda | Prelude | — | — | — | — | 2.0L | L4 | N/A | — |
| 1985 | Honda | Accord | Base | — | — | — | 1.8L | L4 | N/A | with Single Catalytic Converter; without Canada Emissions |
| 1985 | Honda | Prelude | Base | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1985 | Honda | Prelude | — | — | — | — | 2.0L | L4 | N/A | — |
| 1984 | Honda | Accord | — | — | — | — | 1.8L | L4 | N/A | with Single Catalytic Converter; without Canada Emissions |
| 1984 | Honda | Prelude | — | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1983 | Honda | Accord | — | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1983 | Honda | Prelude | — | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
| 1982 | Honda | Accord | — | — | — | — | 1.8L | L4 | N/A | without Canada Emissions |
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