/live/media/WK/WK_14703_Ang.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Walker 14703 Catalytic Converter - Right
| Brand | Walker 14703 |
|---|---|
| Position | Right |
| Universal Or Specific Fit | Specific |
| Grade Type | Premium |
| Body Shape | Round |
| Inlet Type | 4 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4.000 |
| Body Length | 5.000 |
| Body Width | 4.000 |
| Heat Shield Attached | No |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Substrate Material | Ceramic |
| Converter Quantity | 1 |
| Inlet Mounting Hole Quantity | 1 |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 1 |
| Outlet Gasket Included | Yes |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 14.000 |
| Sensor Port Count | 1 |
| New York Certified | No |
| Oxygen Sensor Location | Pre converter |
| Catalyst Type | Eco gm |
| Clamp Qty | None |
| Inlet Gasket | Yes |
| Inlet Gasket Qty | 1 |
| Inlet Hardware | No |
| Product line | EPA |
| Fits | Buick and Chevrolet · 6 vehicles |
Specific-fit design. Built for EPA applications with a direct replacement layout.
Stainless steel body. Round construction with a ceramic substrate for exhaust service.
Welded flange connections. Uses 4-bolt inlet and 2-bolt outlet flanges for secure mounting.
Cross-references AP Exhaust 644167, Gates 23277 and 19420290 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
Walker EPA 14703 is a specific-fit catalytic converter built for EPA applications with a round stainless steel body and ceramic substrate. It includes one O2 sensor port, welded flange connections, and gasket coverage at the inlet and outlet for a direct replacement setup.
Key Features
- Specific-fit catalytic converter for EPA applications
- Round stainless steel body with ceramic substrate
- 4-bolt welded inlet flange and 2-bolt welded outlet flange
- One pre-converter oxygen sensor port
- Inlet and outlet gaskets included; outlet mounting hardware included
Detailed Description
Walker EPA 14703 is engineered as a premium catalytic converter for vehicles that require a specific-fit exhaust replacement. The stainless steel body and ceramic catalyst core provide a durable construction, while the welded flange design supports a secure exhaust connection. This part number 14703 is listed for 2018-2020 Buick Enclave and 2018-2020 Chevrolet Traverse, both in the right-side EPA application. For buyers searching for a Buick Enclave catalytic converter or Chevrolet Traverse catalytic converter, Walker 14703 offers a fitment-specific solution with the correct sensor port and flange layout.
Walker’s EPA line focuses on application-specific exhaust replacements that align with emissions-related requirements for covered vehicles. Part number 14703 is also cross-referenced to AP Exhaust 644167 and Gates 23277 for the same application.
What It Helps Address
- Failed catalytic converter efficiency codes
- Restricted exhaust flow from a worn converter
- Emissions test failures tied to converter performance
- Exhaust leaks at flange connection points
- Oxygen sensor fitment issues at the pre-converter location
Installation Notes
Verify the right-side EPA fitment before installation and confirm the flange pattern, sensor port location, and gasket alignment against the original unit. This converter uses welded flange connections and includes outlet mounting hardware, so proper exhaust alignment is important during installation.
Quality Assurance
Walker designed, tested, and validated this converter to meet CARB compliance standards within the CalCat universal product line, with coverage for OBDII and non-OBD vehicles as described by the manufacturer.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Buick | Enclave | 3.6L | V6 | Right | EPA |
| 2020 | Chevrolet | Traverse | 3.6L | V6 | Right | EPA |
| 2019 | Buick | Enclave | 3.6L | V6 | Right | EPA |
| 2019 | Chevrolet | Traverse | 3.6L | V6 | Right | EPA |
| 2018 | Buick | Enclave | 3.6L | V6 | Right | EPA |
| 2018 | Chevrolet | Traverse | 3.6L | V6 | Right | EPA |
| No rows match your filter. | ||||||