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Walker 42556 Exhaust Pipe
| Brand | Walker 42556 |
|---|---|
| Material | Steel |
| Inlet Outside Diameter | 2.5 |
| Outlet Outside Diameter | 2.25 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Finish | Aluminized |
| Inlet 1 Outside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Length | 21 |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Universal Or Specific Fit | Specific fit |
| Fits | Cadillac · 15 vehicles |
Specific fit. Precision-checked for a precise fit and quick, easy installation.
Aluminized steel. Built for durability with a corrosion-resistant finish.
Exhaust pipe. A direct replacement pipe for exhaust and tail pipe repairs.
Cross-references Four Seasons 24682 for the same application. See all 1.
Walker 42556 Exhaust Pipe for Cadillac
Walker 42556 is a specific-fit exhaust pipe built for select Cadillac applications, including Eldorado and Seville models from the late 1970s through mid-1980s. It uses aluminized steel construction and formed dimensions that support a precise replacement for the original exhaust routing.
Key Features
- Specific-fit exhaust pipe for direct application matching
- Aluminized steel construction for corrosion resistance and durability
- 2.5-inch inlet outside diameter
- 2.25-inch outlet outside diameter
- 21-inch overall length
- Pipe connection inlet and outlet ends for exhaust system integration
- Walker 42556 is engineered with precision bending and fixture checking for fit accuracy
Detailed Description
This exhaust pipe is intended for Cadillac exhaust repair and replacement work where the original pipe has deteriorated, rusted through, or no longer seals correctly. Walker 42556 is a direct-fit exhaust pipe for 1979-1980 Cadillac Eldorado, 1980-1985 Cadillac Seville, and 1981-1985 Cadillac Eldorado applications. The aluminized finish helps the steel resist exhaust-system corrosion, while the formed dimensions support proper alignment in the vehicle’s exhaust path. Walker 42556 is a practical replacement choice when restoring exhaust flow on Cadillac Eldorado and Cadillac Seville models.
This part cross-references Four Seasons 24682 for the same application.
What It Helps Fix
- Exhaust leaks caused by rusted or perforated pipe sections
- Restricted exhaust flow from damaged or collapsed piping
- Noisy exhaust operation from failing pipe joints
- Fitment issues during replacement of worn Cadillac exhaust sections
- Corrosion-related failure in original steel exhaust piping
Installation Notes and Tips
Verify the inlet and outlet diameters before installation: 2.5 inches at the inlet and 2.25 inches at the outlet. This pipe uses pipe-connection ends and a specific-fit design, so alignment should be checked against the existing exhaust layout before final attachment. For welded assemblies, inspect the surrounding exhaust sections and replace all required parts as needed to restore proper fit and sealing.
Quality Assurance
Walker manufactures this pipe from aluminized steel and uses precision bending plus fixture checks to support consistent fitment. Walker 42556 is built as a direct replacement exhaust pipe for the listed Cadillac applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1985 | Cadillac | Eldorado | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1985 | Cadillac | Seville | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1984 | Cadillac | Eldorado | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1984 | Cadillac | Seville | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1983 | Cadillac | Eldorado | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1983 | Cadillac | Seville | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1982 | Cadillac | Eldorado | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1982 | Cadillac | Seville | 4.1L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1981 | Cadillac | Eldorado | 6.0L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1981 | Cadillac | Seville | 6.0L | V8 | — | N/A | If welded assembly, replace all required parts |
| 1980 | Cadillac | Eldorado | 5.7L | V8 | — | N/A | — |
| 1980 | Cadillac | Eldorado | 6.0L | V8 | — | N/A | — |
| 1980 | Cadillac | Seville | 6.0L | V8 | GAS | N/A | If welded assembly, replace all required parts |
| 1980 | Cadillac | Seville | 5.7L | V8 | GAS | N/A | If welded assembly, replace all required parts |
| 1979 | Cadillac | Eldorado | 5.7L | V8 | GAS | N/A | — |
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