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Walker 42646 Exhaust Pipe
| Brand | Walker 42646 |
|---|---|
| Material | Steel |
| Outlet Outside Diameter | 2.25 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Bend Radius | 4.5 |
| Finish | Aluminized |
| Inlet 1 Type | Spherical flare |
| Inlet Type | Spherical flare |
| Length | 22.625 |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Type | Pipe connection |
| Universal Or Specific Fit | Specific fit |
| Fits | Chevrolet and GMC · 43 vehicles |
Specific fit. Precision-checked for a quick, easy installation.
Aluminized steel. Built for durability with a corrosion-resistant finish.
Pipe connection. A replacement exhaust pipe with spherical flare ends.
Cross-references 28166 for the same application. See all 1.
Walker 42646 Exhaust Pipe for S10 and Sonoma
Walker 42646 is a specific-fit exhaust pipe built from aluminized steel for durability and corrosion resistance. It is formed with precision benders and fixture-checked for accurate alignment, helping support a clean replacement on compatible Chevrolet S10 and GMC Sonoma applications.
- Aluminized steel construction for long-term exhaust service
- Specific-fit design for direct application matching
- 2.25-inch inlet and 2.25-inch outlet diameter
- Spherical flare inlet for proper pipe connection
- 22.625-inch overall length with a 4.5-inch bend radius
- Walker 42646 exhaust pipe for 1992-1993 Chevrolet S10 and 1992-1993 GMC Sonoma
Application Details
This exhaust pipe is engineered for vehicles that need a precise replacement section in the exhaust system. It is a direct-fit style part for 1992-1993 Chevrolet S10 and 1992-1993 GMC Sonoma, and it also applies to 1983-1991 Chevrolet S10, 1991 GMC Sonoma, and 1983-1990 GMC S15 configurations listed in the fitment data. The Walker 42646 part number is also cross-referenced to 28166 for the same application.
Common Repair Uses
- Replacing a rusted or damaged exhaust pipe section
- Restoring exhaust flow after a failed welded pipe assembly
- Correcting fitment issues caused by an incorrect replacement pipe
- Repairing exhaust leaks at a spherical flare connection
- Matching a 2.25-inch exhaust system layout on S10, Sonoma, or S15 models
Installation Notes
Verify the vehicle year, make, model, and exhaust configuration before installation. This pipe is listed as cut-to-fit on 1992-1993 Chevrolet S10 and 1992-1993 GMC Sonoma applications, and the fitment notes state that if the vehicle uses a welded assembly, all required parts should be replaced. Confirm inlet and outlet orientation, then align the pipe before final tightening or welding.
Quality Assurance
Walker manufactures this pipe from aluminized steel and uses precision bending plus fixture checking to help ensure consistent fitment. That process supports accurate installation on the listed Chevrolet S10, GMC Sonoma, and GMC S15 applications.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1993 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | Cut To Fit; If welded assembly, replace all required parts |
| 1993 | GMC | Sonoma | — | RWD | 2.5L | L4 | 108.4" | N/A | Cut To Fit; If welded assembly, replace all required parts |
| 1992 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | Cut To Fit; If welded assembly, replace all required parts |
| 1992 | GMC | Sonoma | SLE | RWD | 2.5L | L4 | 108.4" | N/A | Cut To Fit; If welded assembly, replace all required parts |
| 1992 | GMC | Sonoma | Base | RWD | 2.5L | L4 | 108.4" | N/A | Cut To Fit; If welded assembly, replace all required parts |
| 1991 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1991 | GMC | Sonoma | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1990 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1990 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1989 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1989 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1988 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1988 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1987 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1987 | Chevrolet | S10 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1987 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1987 | GMC | S15 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1986 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1986 | Chevrolet | S10 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1986 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1986 | GMC | S15 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | Chevrolet | S10 | — | RWD | 2.2L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | Chevrolet | S10 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | Chevrolet | S10 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | Chevrolet | S10 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | GMC | S15 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | GMC | S15 | — | RWD | 2.5L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | GMC | S15 | — | RWD | 2.2L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1985 | GMC | S15 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | Chevrolet | S10 | — | RWD | 2.2L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | Chevrolet | S10 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | Chevrolet | S10 | — | RWD | 2.0L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | Chevrolet | S10 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | GMC | S15 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | GMC | S15 | — | RWD | 2.2L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | GMC | S15 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1984 | GMC | S15 | — | RWD | 2.0L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | Chevrolet | S10 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | Chevrolet | S10 | — | RWD | 2.0L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | Chevrolet | S10 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | GMC | S15 | — | RWD | 1.9L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | GMC | S15 | — | RWD | 2.8L | V6 | 108.4" | N/A | If welded assembly, replace all required parts |
| 1983 | GMC | S15 | — | RWD | 2.0L | L4 | 108.4" | N/A | If welded assembly, replace all required parts |
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