Walker
CalCat

Walker 84249 Catalytic Converter - Rear

Brand Walker 84249
Position 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
Product line CalCat
Fits Nissan · 10 vehicles

CARB certified. Validated to meet California emissions standards.

Direct-fit design. Delivers a precise OE-style fit for easier installation.

Stainless steel body. Ceramic substrate helps support efficient exhaust flow.

$607.67Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $607.67
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014NissanMaxima3.5LV6RearCARB 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
2013NissanMaxima3.5LV6RearCARB 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
2012NissanMaxima3.5LV6RearCARB 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
2012NissanMaxima3.5LV6RearEngine 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
2011NissanMaxima3.5LV6RearCARB 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
2011NissanMaxima3.5LV6RearEngine 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
2010NissanMaxima3.5LV6RearCARB 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
2010NissanMaxima3.5LV6RearEngine 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
2009NissanMaxima3.5LV6RearCARB 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
2009NissanMaxima3.5LV6RearEngine 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