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Walker 16891 Catalytic Converter - Rear
| Brand | Walker 16891 |
|---|---|
| Position | Rear |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Body Height | 4 |
| Body Length | 8 |
| Body Width | 4 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 40.625 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Type | 3 bolt welded flange |
| Inlet 2 Type | 3 bolt welded flange |
| Inlet Quantity | 2 |
| Inlet Type | 3 bolt welded flange |
| Outlet 1 Type | 3 bolt welded flange |
| Outlet Type | 3 bolt welded flange |
| Oxygen Sensor Location | Pre catalyst |
| Substrate Material | Ceramic |
| Product line | EPA |
| Fits | Honda · 2 vehicles |
EPA-compliant design. Built for emissions-focused replacement service on OBDII vehicles.
Stainless steel body. Corrosion-resistant construction with a round housing profile.
Direct-fit replacement. Application-specific exhaust fit with welded flange connections.
Cross-references 644149 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
Walker EPA Ultra Direct-Fit Catalytic Converter 16891 is a specific-fit exhaust replacement for select Honda Odyssey applications. It is built to meet EPA standards and uses a stainless steel body with a ceramic substrate for direct-fit service on OBDII vehicles.
Key Features
- Direct-fit catalytic converter for specific applications
- Stainless steel body with a round housing profile
- Ceramic substrate for exhaust aftertreatment performance
- 3-bolt welded flange inlet and outlet connections
- Pre-catalyst oxygen sensor location
- Walker EPA Ultra Direct-Fit product line
Product Details
This Walker catalytic converter, part number 16891, is engineered for 2016-2017 Honda Odyssey rear applications. The EPA Ultra Direct-Fit line focuses on application-specific exhaust replacement with compliance-oriented construction for import and domestic OBDII vehicles. The converter uses a stainless steel shell, a ceramic substrate, and welded flange connections to match the listed exhaust configuration. This part cross-references 644149 for the same application.
Common Replacement Issues
- Failed catalytic converter efficiency codes
- Exhaust restriction from a worn substrate
- Emissions test failure from converter deterioration
- Exhaust leaks at flange connection points
Installation Notes
Fits 2016-2017 Honda Odyssey, rear. Fitment notes specify Fed. & Calif. emission models, with restrictions for California and other CARB-compliant states. An exhaust gasket is recommended, and additional parts are listed as required to complete installation. Verify the flange style, oxygen sensor location, and emission requirements before installation.
Quality Assurance
Walker Ultra Direct-Fit catalytic converters are positioned as EPA-compliant replacement parts for OBDII vehicles, with application-specific construction intended to match the listed exhaust configuration.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Honda | Odyssey | 3.5L | V6 | Rear | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31737 and 2 of 31377; Ultra Direct Fit Type; EPA |
| 2016 | Honda | Odyssey | 3.5L | V6 | Rear | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31737 and 2 of 31377; Ultra Direct Fit Type; EPA |
| No rows match your filter. | ||||||