/live/media/WK/WK_53402_Fro.jpg)
Walker 53402 Exhaust Muffler Assembly - Left
| Brand | Walker 53402 |
|---|---|
| Position | Left |
| Inlet Outside Diameter | 1.875 |
| Finish | Aluminized |
| Body Diameter | 11 |
| Inlet Type | Pipe connection |
| Outlet Type | Tip |
| Inlet Inside Diameter | 1.875 |
| Body Height | 5.5 |
| Body Length | 15 |
| Muffler Material | Stainless steel |
| Muffler Shape | Oval |
| Overall Length | 33.875 |
| Body Material | Stainless steel |
| Body Width | 11 |
| Grade Type | Regular |
| Inlet 1 Inside Diameter | 1.875 |
| Inlet 1 Outside Diameter | 1.875 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Quantity | 1 |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 3.625 |
| Outlet 1 Type | Tip |
| Outlet 2 Outside Diameter | 3.625 |
| Outlet Configuration | Center |
| Outlet Quantity | 2 |
| Shape | Oval |
| Product line | Quiet-Flow SS |
| Fits | Cadillac · 16 vehicles |
OE-style replacement. Direct-fit design makes installation straightforward.
Stainless-steel construction. Helps deliver longer life than typical aluminized mufflers.
Combination muffler assembly. Oval body with a dual-tip outlet for a clean exhaust finish.
Cross-references 15921941, 15921942 and 25748927 for the same application. See all 3.
Walker Quiet-Flow SS Muffler Assembly
Walker Quiet-Flow SS Part Number 53402 is a direct-fit exhaust muffler assembly for select Cadillac applications. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.
Compatible with 2000-2005 Cadillac DeVille, left, and 2006-2008 Cadillac DTS, left, this muffler assembly is built for drivers replacing a welded or worn factory unit with a direct-fit exhaust solution.
Key Features
- Walker Quiet-Flow SS product line for OE-style exhaust replacement
- Stainless steel muffler body and stainless steel muffler material
- Oval muffler shape with 11-inch body diameter
- Offset 1.875-inch inlet with pipe connection
- Dual center outlets with 3.625-inch tip outlets
- Overall length: 33.875 inches
- Direct-fit muffler assembly for select Cadillac DeVille and Cadillac DTS left-side applications
Detailed Description
Walker 53402 is an exhaust muffler assembly engineered for left-side fitment on the Cadillac DeVille and Cadillac DTS. The Quiet-Flow SS line focuses on stainless-steel construction and OE-style replacement geometry, making it a practical choice when replacing a factory muffler assembly on a welded exhaust system. The oval body measures 11 inches wide, 5.5 inches high, and 15 inches long, with an overall length of 33.875 inches for a direct-fit layout.
This part cross-references GM OE numbers 15921941 and 15921942 for the same application. Walker 53402 is also listed for Cadillac DTS and Cadillac DeVille fitment, making it a targeted replacement for owners searching for a Walker muffler assembly by vehicle and position.
Common Problems This Part Can Address
- Rust or corrosion in the original muffler assembly
- Exhaust noise caused by a damaged muffler body
- Fitment issues when replacing a welded factory muffler
- Restricted exhaust flow from a deteriorated internal muffler structure
- Need for a direct-fit replacement on Cadillac DeVille or Cadillac DTS left-side exhaust
Installation Notes and Tips
Verify inlet and outlet dimensions before installation: 1.875-inch inlet, offset inlet configuration, and dual center 3.625-inch tip outlets. This muffler uses a pipe connection inlet and is intended for left-side applications on the listed Cadillac models. If the original exhaust is a welded assembly, replace all required related parts during service to ensure proper alignment and sealing.
Quality Assurance
Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style replacement fitment to support longer service life than typical aluminized mufflers. Part Number 53402 is engineered for the specified Cadillac DeVille and Cadillac DTS applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Cadillac | DTS | Platinum | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2008 | Cadillac | DTS | Base | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Cadillac | DTS | — | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Cadillac | DTS | — | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Cadillac | DeVille | DTS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Cadillac | DeVille | DHS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Cadillac | DeVille | Base | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2004 | Cadillac | DeVille | DTS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2004 | Cadillac | DeVille | DHS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2004 | Cadillac | DeVille | Base | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Cadillac | DeVille | — | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Cadillac | DeVille | — | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Cadillac | DeVille | — | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Cadillac | DeVille | DTS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Cadillac | DeVille | DHS | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Cadillac | DeVille | Base | 4.6L | V8 | Left | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| No rows match your filter. | |||||||