HomeExhaust > Catalytic ConverterWalker 83264 Catalytic Converter - Rear
Part #: 83264

Walker 83264 Catalytic Converter - Rear

CalCat, Rear
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦CalCat, Rear
🚗Fitment: Nissan, Altima
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Overview of Walker CalCat Catalytic Converter 83264

The Walker CalCat catalytic converter 83264 is designed specifically for Nissan Altima models from 2004 to 2006. This catalytic converter features a durable stainless steel body and a ceramic substrate to meet emission standards while ensuring reliable exhaust flow.

  • Specific fit for Nissan Altima 2004-2006
  • CARB certified for California Air Resources Board compliance
  • Stainless steel body with round shape
  • 2 bolt welded flange inlet and outlet
  • Ceramic substrate for effective emission control
  • Body dimensions: 8" length, 4" width, 4" height
  • Overall length of 40.25 inches

Walker CalCat Product Line Details

The CalCat line by Walker focuses on catalytic converters that meet strict emission regulations, including CARB certification. This product line is engineered to provide a direct fit solution with quality materials such as stainless steel and ceramic substrates, ensuring durability and compliance for specific vehicle applications like the Nissan Altima.

Product Description and Specifications

The Walker CalCat catalytic converter 83264 is a specific fit catalytic converter designed for Nissan Altima models between 2004 and 2006. It features a round stainless steel body measuring 8 inches in length, 4 inches in width, and 4 inches in height. The inlet and outlet both utilize a 2 bolt welded flange design with an outlet diameter of approximately 1.987 inches. The ceramic substrate inside the converter helps reduce harmful emissions effectively while maintaining exhaust flow. This converter is CARB certified, making it compliant with California emission standards.

Common Applications and Issues Addressed

  • Replacement for failing or clogged catalytic converters on Nissan Altima 2004-2006
  • Restores proper exhaust flow and reduces emissions
  • Helps resolve check engine light issues related to catalytic converter efficiency
  • Ensures compliance with California Air Resources Board regulations
  • Improves overall vehicle emission system performance

Installation Notes and Tips

This catalytic converter is designed for a specific fit and requires a 2 bolt welded flange connection at both inlet and outlet. It is important to verify compatibility with your Nissan Altima model year before installation. Professional installation is recommended to ensure proper sealing and alignment. Note that mounting hardware is not included with this part.

Quality Assurance and Warranty

The Walker CalCat catalytic converter 83264 is manufactured with high-quality stainless steel and a ceramic substrate to ensure durability and long service life. It is CARB certified, meeting stringent emission standards. Please refer to Walker's warranty policy for specific coverage details.

BrandWalker
Part Number83264
PositionCalCat, Rear
Mounting Hardware IncludedNo
Universal Or Specific FitSpecific
Grade TypeRegular
Body ShapeRound
Inlet Type2 bolt welded flange
Outlet Type2 bolt welded flange
Body Height4
Body Height4.000
Body Length8
Body Length8.000
Body Width4
Body Width4.000
Inlet Quantity1
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedYes
Substrate MaterialCeramic
Overall Length40.25
Overall Length40.250
Air TubeNo
Air Tube CountNo
Converter Quantity1
Inlet 1 Type2 bolt welded flange
Inlet Type2 bolt welded flange
Max Year Covered2006
Min Year Covered2004
Most Popular Make / ModelNissan altima
Most Popular Year2005
Outlet 1 Outside Diameter1.987
Outlet 1 Type2 bolt welded flange

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanAltima2.5LL4RearCARB Executive Order D-182-63; Engine Family Number (EFN) 6NSXV02.5G5A; 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.; Additional part(s) needed to complete installation - 31658 and 31540; Direct Fit Type; CalCat
2005NissanAltima2.5LL4RearCARB Executive Order D-182-63; Engine Family Number (EFN) 5NSXV02.5G5A; 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.; Additional part(s) needed to complete installation - 31658 and 31540; Direct Fit Type; CalCat
2004NissanAltima2.5LL4RearCARB Executive Order D-182-63; Engine Family Number (EFN) 4NSXV02.5G5A; 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.; Additional part(s) needed to complete installation - 31658 and 31540; Direct Fit Type; CalCat

* 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:

754295

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.