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Walker 84249 Catalytic Converter - Rear
Walker CalCat Direct-Fit Converter
Walker CalCat Part Number 84249 is a direct-fit catalytic converter built for specific Nissan Maxima rear applications from 2009-2014. It is CARB certified and engineered for an OE-style fit, making it a practical replacement for emissions-related exhaust service on the Nissan Maxima.
Key Features
- Direct-fit catalytic converter for specific rear applications
- CARB certified for use in California and other CARB-compliant states where listed
- Stainless steel body with a ceramic substrate
- Round body design with welded flange inlet and outlet connections
- Designed for OBDII and non-OBD vehicle coverage within the CalCat line
- Walker CalCat 84249 is built for a precise OE-style fit
Product Line Details
Walker CalCat is Walker’s CARB-compliant catalytic converter line for direct replacement needs. This product line focuses on vehicle-specific fitment and emissions compliance, with coverage for select OBDII and non-OBD vehicles. For buyers searching for a Nissan Maxima catalytic converter replacement, CalCat provides a direct-fit solution that matches the listed rear application.
Detailed Description
Walker 84249 is a rear catalytic converter for the 2009-2014 Nissan Maxima, with fitment tied to specific engine family numbers and CARB Executive Order D-182-72 where noted. The converter uses a stainless steel body, ceramic substrate, 3-bolt welded flange inlet, and 2-bolt welded flange outlet. Its direct-fit design supports OE-style exhaust alignment for the listed Nissan Maxima rear installation points.
This part cross-references Walker 84249 for the same application.
What It Helps Address
- Failed or inefficient rear catalytic converter on a Nissan Maxima
- Check engine light concerns related to emissions system performance
- Exhaust odor or emissions test failure tied to converter wear
- Need for a CARB-certified replacement in approved states
- Fitment issues caused by using a universal exhaust converter instead of a direct-fit unit
Installation Notes
- Fits 2014 Nissan Maxima, rear
- Fits 2013 Nissan Maxima, rear
- Fits 2012 Nissan Maxima, rear
- Fits 2011 Nissan Maxima, rear
- Fits 2010 Nissan Maxima, rear
- Fits 2009 Nissan Maxima, rear
- Exhaust gasket is recommended
- Additional parts are listed in the fitment notes for completion of installation
- Verify the engine family number and emissions certification before ordering
- Confirm local aftermarket converter regulations for your state
Quality Assurance
Walker CalCat catalytic converters are designed, tested, and validated to meet CARB standards for the listed applications. Part number 84249 is a CARB-certified replacement converter for specific Nissan Maxima rear fitments, with compliance details defined by the listed Executive Order and engine family notes.
| Brand | Walker |
| Part Number | 84249 |
| Position | CalCat, Rear |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 3 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4.02 |
| Body Height | 4.020 |
| Body Length | 8 |
| Body Length | 8.000 |
| Body Width | 4.02 |
| Body Width | 4.020 |
| Inlet Quantity | 2 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 41.5 |
| Overall Length | 41.500 |
| 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 |
| Max Year Covered | 2014 |
| Min Year Covered | 2009 |
| Most Popular Make / Model | Nissan maxima |
| Most Popular Year | 2014 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) ENSXV03.5G7B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2013 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) DNSXV03.5G7B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2012 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) CNSXV03.5G7B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2012 | Nissan | Maxima | 3.5L | V6 | Rear | Engine Family Number (EFN) CNSXV03.5G7D; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use 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 - 31540 and 2 of 31377; Direct Fit Type; CARB Executive Order D-182-72; CalCat Colorado |
| 2011 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) BNSXV03.5G7B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2011 | Nissan | Maxima | 3.5L | V6 | Rear | Engine Family Number (EFN) BNSXV03.5G7D; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use 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 - 31540 and 2 of 31377; Direct Fit Type; CARB Executive Order D-182-72; CalCat Colorado |
| 2010 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) ANSXJ03.5G7A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2010 | Nissan | Maxima | 3.5L | V6 | Rear | Engine Family Number (EFN) ANSXV03.5G7B; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use 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 - 31540 and 2 of 31377; Direct Fit Type; CARB Executive Order D-182-72; CalCat Colorado |
| 2009 | Nissan | Maxima | 3.5L | V6 | Rear | CARB Executive Order D-182-72; Engine Family Number (EFN) 9NSXV03.5G7A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31540 and 2 of 31377; Direct Fit Type; CalCat |
| 2009 | Nissan | Maxima | 3.5L | V6 | Rear | Engine Family Number (EFN) 9NSXV03.5G7C; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use 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 - 31540 and 2 of 31377; Direct Fit Type; CARB Executive Order D-182-72; CalCat Colorado |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.