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Walker 14729 Catalytic Converter with Integrated Exhaust Manifold - Left
| Brand | Walker 14729 |
|---|---|
| Position | Left |
| Universal Or Specific Fit | Specific |
| Grade Type | Premium |
| Converter Body Length | 5.500 |
| Body Shape | Round |
| Inlet Type | 8 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4.000 |
| Body Width | 4.000 |
| Heat Shield Attached | Yes |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Substrate Material | Ceramic |
| Converter Quantity | 1 |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Gasket Included | Yes |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 29.00 |
| Sensor Port Count | 1 |
| Converter Body Material | Stainless steel |
| New York Certified | No |
| Heat Shield Material | Stainless steel |
| Oxygen Sensor Location | Pre converter |
| Body Material | Stainless steel |
| Catalyst Type | Ecoiii |
| Inlet Gasket | Yes |
| Inlet Gasket Qty | 1 |
| Inlet Hardware | No |
| Mounting Hardware Included | Gaskets & outlet |
| O2 Sensor Ports | 1 |
| Product line | EPA |
| Fits | INFINITI and Nissan · 31 vehicles |
Direct-fit design. Specific-fit replacement for the intended exhaust manifold and converter application.
Stainless steel body. Corrosion-resistant construction with an attached stainless steel heat shield.
Complete sealing components. Includes inlet and outlet gaskets plus outlet mounting hardware.
Cross-references AP Exhaust 641592 and 140F2EZ30A for the same application. See all 2.
EPA-compliant direct-fit converter
Walker EPA 14729 is a specific-fit catalytic converter with an integrated exhaust manifold for select Nissan and INFINITI applications. It is built for OBDII vehicles and combines a stainless steel body with a ceramic substrate for dependable exhaust aftertreatment performance.
Key features
- Specific-fit design for easier replacement on the intended application.
- Stainless steel body and stainless steel heat shield for corrosion resistance.
- Ceramic substrate with ECOIII catalyst type.
- Integrated heat shield attached to the converter assembly.
- Includes inlet gasket, outlet gasket, and outlet mounting hardware.
- One pre-converter oxygen sensor port.
Detailed application overview
Walker EPA 14729 is engineered as a direct-fit catalytic converter with integrated exhaust manifold for EPA-regulated OBDII vehicles. Fits 2016-2021 INFINITI QX80, Left. Fits 2017-2021 Nissan Armada, Left. Fits 2017-2021 Nissan NV2500, Left. Fits 2017-2021 Nissan NV3500, Left. Fits 2016-2021 Nissan TITAN XD, Left. Fits 2017-2020 Nissan TITAN, Left. This part cross-references AP Exhaust 641592 and 140F2EZ30A for the same application.
Common replacement issues
- Failed catalytic efficiency codes.
- Exhaust leaks at the manifold or flange connections.
- Damaged or corroded converter housing.
- Broken or ineffective heat shielding.
- Oxygen sensor port or sealing surface wear.
Installation notes and quality
Confirm the left-side fitment and EPA application before installation. Verify gasket surfaces, sensor port alignment, and flange compatibility during replacement. Walker Ultra Direct-Fit Catalytic Converters are designed to comply with EPA standards and are available for import and domestic OBDII vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2021 | Nissan | Armada | 5.6L | V8 | Left | EPA |
| 2021 | Nissan | NV2500 | 5.6L | V8 | Left | EPA |
| 2021 | Nissan | NV3500 | 5.6L | V8 | Left | EPA |
| 2021 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| 2020 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2020 | Nissan | Armada | 5.6L | V8 | Left | EPA |
| 2020 | Nissan | NV2500 | 5.6L | V8 | Left | EPA |
| 2020 | Nissan | NV3500 | 5.6L | V8 | Left | EPA |
| 2020 | Nissan | TITAN | 5.6L | V8 | Left | EPA |
| 2020 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| 2019 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2019 | Nissan | Armada | 5.6L | V8 | Left | EPA |
| 2019 | Nissan | NV2500 | 5.6L | V8 | Left | EPA |
| 2019 | Nissan | NV3500 | 5.6L | V8 | Left | EPA |
| 2019 | Nissan | TITAN | 5.6L | V8 | Left | EPA |
| 2019 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| 2018 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2018 | Nissan | Armada | 5.6L | V8 | Left | EPA |
| 2018 | Nissan | NV2500 | 5.6L | V8 | Left | EPA |
| 2018 | Nissan | NV3500 | 5.6L | V8 | Left | EPA |
| 2018 | Nissan | TITAN | 5.6L | V8 | Left | EPA |
| 2018 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| 2017 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2017 | Nissan | Armada | 5.6L | V8 | Left | EPA |
| 2017 | Nissan | NV2500 | 5.6L | V8 | Left | EPA |
| 2017 | Nissan | NV3500 | 5.6L | V8 | Left | EPA |
| 2017 | Nissan | TITAN | 5.6L | V8 | Left | EPA |
| 2017 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| 2016 | INFINITI | QX80 | 5.6L | V8 | Left | EPA |
| 2016 | Nissan | TITAN XD | 5.6L | V8 | Left | EPA |
| No rows match your filter. | ||||||