HomeExhaust > Catalytic ConverterWalker 54360 Catalytic Converter - Rear
Part #: 54360

Walker 54360 Catalytic Converter - Rear

EPA, Rear
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$242.40Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦EPA, Rear
🚗Fitment: Nissan, Altima
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker EPA Catalytic Converter 54360

The Walker EPA Catalytic Converter 54360 is designed specifically for Nissan Altima models from 2002 to 2006. Engineered as a direct fit replacement, this catalytic converter ensures compatibility and reliable performance for your vehicle's exhaust system.

  • Direct fit for Nissan Altima (2002-2006)
  • Constructed with durable stainless steel body
  • Round body shape with dimensions: 4.125" height, 4.125" width, 8" to 9" length
  • Single inlet and outlet with 2 bolt welded flange connections
  • Regular grade type for standard exhaust applications
  • Overall length of 39 inches for proper exhaust alignment

Product Line: Walker EPA Catalytic Converter

The Walker EPA product line focuses on providing catalytic converters that meet Environmental Protection Agency (EPA) standards for emissions control. This line is designed to offer specific fitment solutions for various vehicle makes and models, including the Nissan Altima. The EPA series balances regulatory compliance with durable construction, making it suitable for replacement catalytic converters where CARB certification is not required.

Detailed Product Description

This catalytic converter features a stainless steel body with a round shape, measuring approximately 4.125 inches in height and width, and between 8 to 9 inches in length. It includes one inlet and one outlet, both equipped with 2 bolt welded flange connections to ensure a secure and direct fit installation. The overall length of 39 inches accommodates the exhaust system layout of Nissan Altima models from 2002 through 2006. The regular grade type construction supports standard exhaust system requirements without additional air tubes or complex fittings.

Common Applications and Issues Addressed

  • Replacement for damaged or clogged catalytic converters on Nissan Altima (2002-2006)
  • Restores proper exhaust flow and reduces harmful emissions
  • Helps resolve check engine light issues related to catalytic converter failure
  • Improves vehicle emissions compliance with EPA standards
  • Addresses exhaust leaks caused by worn or corroded converter components

Installation Notes and Tips

This catalytic converter is designed as a direct fit replacement, matching the original equipment specifications for Nissan Altima models between 2002 and 2006. Installation requires proper alignment of the 2 bolt welded flange inlet and outlet connections. Mounting hardware is not included, so ensure you have the necessary bolts and gaskets for secure installation. Professional installation is recommended to maintain exhaust system integrity and emissions compliance.

Quality Assurance and Warranty

Walker EPA catalytic converters are manufactured with stainless steel bodies to resist corrosion and withstand high exhaust temperatures. While this product is not CARB certified, it meets EPA emissions standards for the specified vehicle range. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary.

BrandWalker
Part Number54360
PositionEPA, Rear
Mounting Hardware IncludedNo
Universal Or Specific FitSpecific
Grade TypeRegular
Body ShapeRound
Body Height4.125
Body Length8
Body Width4.125
Inlet Quantity1
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Overall Length39
Air TubeNo
Air Tube CountNo
Body Height4.125
Body Length9.000
Body MaterialStainless steel
Body ShapeRound
Body Width4.125
Converter Quantity1
FitmentDirect fit
Inlet 1 Type2 bolt welded flange
Inlet Connection Type2 bolt welded flanges
Inlet Count1
Inlet Type2 bolt welded flange
Max Year Covered2006
Min Year Covered2002
Most Popular Make / ModelNissan altima
Most Popular Year2005
Outlet 1 Type2 bolt welded flange

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanAltima2.5LL4RearFits 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 - 31658 and 31540; Ultra Direct Fit Type; EPA
2005NissanAltima2.5LL4RearFits 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 - 31658 and 31540; Ultra Direct Fit Type; EPA
2004NissanAltima2.5LL4RearFits 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 - 31658 and 31540; Ultra Direct Fit Type; EPA
2003NissanAltima2.5LL4RearFits 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 - 31658 and 31540; Ultra Direct Fit Type; EPA
2002NissanAltima2.5LL4RearFits 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 - 31658 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:

099-14014051442954952364228075429593287

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