HomeExhaust > Catalytic ConverterWalker 83444 Catalytic Converter - Rear Right or Right
Part #: 83444

Walker 83444 Catalytic Converter - Rear Right or Right

CalCat, Rear Right and Right
⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$584.42Free 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
📦CalCat, Rear Right and Right
🚗Fitment: INFINITI and Nissan, Armada, Pathfinder Armada, QX56, and TITAN
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker CalCat Catalytic Converter 83444

The Walker CalCat Catalytic Converter 83444 is designed specifically for select INFINITI and Nissan models, including the Armada, Pathfinder Armada, QX56, and TITAN from 2004 to 2006. This catalytic converter features a durable stainless steel body and a ceramic substrate to meet emission standards.

  • Specific fit for 2004-2006 Nissan TITAN, Armada, Pathfinder Armada, QX56
  • Stainless steel body with round shape for durability
  • 2 bolt welded flange inlet and outlet for secure connection
  • CARB certified for California Air Resources Board compliance
  • Ceramic substrate for effective emission control
  • Body dimensions: 8 inches length, 4.02 inches width and height
  • Overall length of 25.875 inches

Detailed Product Features and Specifications

The Walker CalCat 83444 catalytic converter is engineered with a round stainless steel body measuring 8 inches in length and approximately 4.02 inches in both width and height. It includes a single inlet and outlet, each equipped with a 2 bolt welded flange connection, ensuring a precise and secure fit. The ceramic substrate inside the converter is designed to reduce harmful emissions effectively, meeting the California Air Resources Board (CARB) certification requirements. This part is intended for specific vehicle applications, including the 2004 to 2006 Nissan TITAN and related INFINITI models such as the QX56 and Armada series.

About the Walker CalCat Product Line

The CalCat line by Walker focuses on catalytic converters that comply with strict emission standards, including CARB certification. These converters are designed to provide reliable emission control with durable materials like stainless steel and ceramic substrates. The CalCat series is tailored for specific vehicle applications, ensuring proper fitment and performance for models such as the Nissan TITAN and INFINITI Armada.

Common Applications and Problem Solving

  • Replacement for failing or clogged catalytic converters on Nissan TITAN and INFINITI Armada models
  • Restores proper exhaust flow and reduces harmful emissions
  • Helps resolve check engine light issues related to catalytic converter efficiency
  • Ensures compliance with California emission regulations
  • Improves overall vehicle emission system performance

Installation Notes and Tips

This catalytic converter features 2 bolt welded flange connections on both inlet and outlet for straightforward installation. It is designed as a specific fit part, so verify compatibility with your vehicle’s year, make, and model before installation. Mounting hardware is not included, so ensure you have the necessary bolts and gaskets for a secure fit. Professional installation is recommended to maintain emission compliance and proper exhaust system function.

Quality Assurance and Warranty

The Walker CalCat 83444 catalytic converter is manufactured with high-quality stainless steel and ceramic materials to provide durability and long service life. It is CARB certified, meeting stringent emission standards. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and application.

BrandWalker
Part Number83444
PositionCalCat, Rear Right and Right
Mounting Hardware IncludedNo
Universal Or Specific FitSpecific
Grade TypeRegular
Body ShapeRound
Inlet Type2 bolt welded flange
Outlet Type2 bolt welded flange
Body Height4.02
Body Height4.020
Body Length8
Body Length8.000
Body Width4.02
Body Width4.020
Inlet Quantity1
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedYes
Substrate MaterialCeramic
Overall Length25.875
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 titan
Most Popular Year2004
Outlet 1 Outside Diameter2.245
Outlet 1 Type2 bolt welded flange
Outlet Outside Diameter2.245

This part fits 11 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2006INFINITIQX565.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2006NissanArmada5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2006NissanTITAN5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2006NissanTITAN4WD5.6LV8RightEngine Family Number (EFN) 6NSXT05.6M9B; 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 - 31576 and 31540; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado
2005INFINITIQX565.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2005NissanArmada5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2005NissanTITAN5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; 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 - 31576 and 31540; Direct Fit Type; CalCat
2005NissanTITAN4WD5.6LV8RightEngine Family Number (EFN) 5NSXT05.6M9B; 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 - 31576 and 31540; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado
2004INFINITIQX565.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; 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 - 31576 and 31540; Direct Fit Type; CalCat
2004NissanPathfinder Armada5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; 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 - 31576 and 31540; Direct Fit Type; CalCat
2004NissanTITAN5.6LV8Rear RightCARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; 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 - 31576 and 31540; Direct Fit Type; CalCat

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.