OE Quality
60-Day Returns

Walker 16895 Catalytic Converter - Front or Front Left
Walker EPA Direct-Fit Catalytic Converter
Walker EPA 16895 is a direct-fit catalytic converter for OBDII vehicles, built to meet EPA standards while maintaining the fit and function expected in a replacement exhaust part. It is engineered for specific front-left and front applications on Chevrolet Impala and Cadillac XTS models.
The Walker EPA line focuses on emissions-compliant replacement parts for import and domestic 1996-and-newer vehicles. This Walker 16895 converter follows that approach with a direct-fit layout, welded flange connections, and a steel body for a straightforward exhaust repair on the listed applications.
- Direct-fit catalytic converter for EPA-compliant replacement use
- Round steel body with 4.0 in. height, 4.0 in. length, and 4.0 in. width
- Overall length: 15.96 in.
- 1 inlet and 1 outlet with welded flange connections
- Fits 2016-2020 Chevrolet Impala, front left
- Fits 2014-2015 Chevrolet Impala, front left
- Fits 2017-2019 Cadillac XTS, front
- Fits 2013-2016 Cadillac XTS, front
Fitment and application details
Use Walker 16895 when replacing the front-left catalytic converter on a 2016-2020 Chevrolet Impala or 2014-2015 Chevrolet Impala, and the front converter on a 2017-2019 Cadillac XTS or 2013-2016 Cadillac XTS. This part cross-references 20926629 for the same application.
What this part helps address
- Failed catalytic converter efficiency codes
- Exhaust restriction from a damaged or deteriorated converter
- Emissions test failure related to converter performance
- Exhaust leaks at the converter connection points
- Replacement needs on EPA Federal Emission equipped vehicles
Installation notes and tips
For 2013-2016 Cadillac XTS and 2014-2015 Chevrolet Impala applications, an exhaust gasket is recommended and additional part 31311 is noted as needed to complete installation. Verify emission labeling before purchase: these applications fit Federal and California emission models, but are not legal for sale or use in California and other CARB-compliant states. They are legal in New York and Maine on EPA Federal Emission equipped vehicles only. Consult state aftermarket converter regulations before installation.
Quality assurance
Walker EPA catalytic converters are built for emissions-compliant replacement on listed OBDII vehicles and are designed around direct-fit installation geometry for the specified applications. Part number 16895 is intended for the exact fitment shown above.
| Brand | Walker |
| Part Number | 16895 |
| Position | EPA, Front and Front Left |
| Body Shape | Round |
| Body Height | 4.0 |
| Body Length | 4.0 |
| Body Width | 4.0 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Overall Length | 15.96 |
| Body Material | Steel |
| Inlet 1 Type | Welded flange |
| Outlet 1 Type | Welded flange |
| Outlet 2 Type | Welded flange |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Impala | 3.6L | V6 | Front Left | EPA | |
| 2019 | Cadillac | XTS | 3.6L | V6 | Front | EPA | |
| 2019 | Chevrolet | Impala | 3.6L | V6 | Front Left | EPA | |
| 2018 | Cadillac | XTS | 3.6L | V6 | Front | EPA | |
| 2018 | Chevrolet | Impala | 3.6L | V6 | Front Left | EPA | |
| 2017 | Cadillac | XTS | Base | 3.6L | V6 | Front | EPA |
| 2017 | Chevrolet | Impala | 3.6L | V6 | Front Left | EPA | |
| 2016 | Cadillac | XTS | Base | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2016 | Cadillac | XTS | Platinum | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2016 | Cadillac | XTS | Premium | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2016 | Cadillac | XTS | Luxury | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2016 | Cadillac | XTS | Livery | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2016 | Chevrolet | Impala | 3.6L | V6 | Front Left | EPA | |
| 2015 | Cadillac | XTS | Base | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Cadillac | XTS | Platinum | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Cadillac | XTS | Premium | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Cadillac | XTS | Luxury | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Cadillac | XTS | Livery | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Chevrolet | Impala | LS | 3.6L | V6 | Front Left | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Chevrolet | Impala | LT | 3.6L | V6 | Front Left | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2015 | Chevrolet | Impala | LTZ | 3.6L | V6 | Front Left | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Cadillac | XTS | Base | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Cadillac | XTS | Platinum | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Cadillac | XTS | Premium | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Cadillac | XTS | Luxury | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Cadillac | XTS | Livery | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Chevrolet | Impala | LT | 3.6L | V6 | Front Left | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2014 | Chevrolet | Impala | LTZ | 3.6L | V6 | Front Left | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2013 | Cadillac | XTS | Base | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2013 | Cadillac | XTS | Platinum | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2013 | Cadillac | XTS | Premium | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2013 | Cadillac | XTS | Luxury | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
| 2013 | Cadillac | XTS | Livery | 3.6L | V6 | Front | Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31311; Ultra Direct Fit Type; 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.; EPA |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.