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Walker 16668 Catalytic Converter
Overview of Walker EPA Catalytic Converter 16668
The Walker EPA Catalytic Converter 16668 is designed for specific fitment on Nissan Frontier and Suzuki Equator models from 2005 to 2015. Engineered with a stainless steel body and a direct fit design, this catalytic converter ensures reliable exhaust emission control for compatible vehicles.
- Specific fit for Nissan Frontier and Suzuki Equator (2005-2015)
- Stainless steel 4" round body for durability
- Direct fit installation with 3 bolt welded flange inlet
- Rear converter position with one inlet and one outlet
- Overall length of 35.125 inches with 8" body length and 4" body height and width
Walker EPA Product Line Details
The EPA product line by Walker focuses on catalytic converters that meet environmental standards while providing a direct fit solution for specific vehicle applications. This line is designed to replace original equipment with components that maintain emission control performance without requiring additional modifications.
Product Features and Specifications
This catalytic converter features a round stainless steel body measuring 4 inches in height, width, and diameter, with an 8-inch body length. It includes a single inlet and outlet, both utilizing a 3 bolt welded flange connection for secure attachment. The converter is positioned at the rear of the exhaust system and is intended for direct fit installation, eliminating the need for custom fabrication. The part number 16668 corresponds to this specific configuration, ensuring compatibility with Nissan Frontier and Suzuki Equator models within the specified year range.
Common Applications and Problem Resolution
- Replacement for damaged or clogged catalytic converters on Nissan Frontier and Suzuki Equator
- Restores proper exhaust emission control to meet regulatory requirements
- Addresses exhaust leaks caused by worn or corroded converters
- Improves engine performance affected by restricted exhaust flow
- Helps reduce harmful emissions and maintain vehicle compliance
Installation Notes and Tips
Installation of the Walker EPA Catalytic Converter 16668 requires removal of the existing converter and mounting using the 3 bolt welded flange inlet connection. This part is designed for direct fit, so no modifications to the exhaust system are typically necessary. It is recommended to inspect surrounding exhaust components for wear or damage during installation to ensure a proper seal and function.
Quality Assurance and Warranty
Walker catalytic converters are manufactured with stainless steel bodies to resist corrosion and extend service life. While this product is not CARB certified, it meets EPA standards for emission control. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region and application.
| Brand | Walker |
| Part Number | 16668 |
| Position | EPA |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Body Height | 4 |
| Body Length | 8 |
| Body Width | 4 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 35.125 |
| Air Tube | No |
| Air Tube Count | No |
| Body Height | 4.000 |
| Body Length | 8.000 |
| Body Material | Stainless steel |
| Body Shape | 4" round |
| Body Width | 4.000 |
| Converter Position | Rear |
| Converter Quantity | 1 |
| Fitment | Direct fit |
| Inlet 1 Type | 3 bolt welded flange |
| Inlet Connection Type | 3 bolt welded flange |
| Inlet Count | 1 |
| Inlet Type | 3 bolt welded flange |
| Max Year Covered | 2015 |
| Min Year Covered | 2005 |
| Most Popular Make / Model | Nissan frontier |
| Most Popular Year | 2012 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | Frontier | 2.5L | L4 | N/A | EPA |
| 2018 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2017 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2016 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2015 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2014 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2013 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2012 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2012 | Suzuki | Equator | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2011 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2011 | Suzuki | Equator | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2010 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2010 | Suzuki | Equator | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2009 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2009 | Suzuki | Equator | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2008 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2007 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2006 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; EPA |
| 2005 | Nissan | Frontier | 2.5L | L4 | N/A | 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 - 31576 and 31540; Ultra Direct Fit Type; 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.