Catalytic Converter

Part Number: B08B3-4HB0B
Supersession(s): 208B3-4HB0B; B08B34HB0B

THREE Way Catalytic Converter.
Catalytic Converter.

  • Essential part of your exhaust system
  • Helps control emissions by filtering and reducing pollutants
  • Replace when failing or worn out

Your INFINITI's Catalytic Converter is an important part of your vehicle's exhaust system. The Catalytic Converter controls emissions by reducing and filtering out toxic pollutants and gases. Without a working Catalytic Converter, toxic fumes from the internal combustion process in the engine could emit harmful gases through the exhaust into the environment. Make sure your INFINITI has a working exhaust system with a new, genuine INFINITI Catalytic Converter.

If your INFINITI has an old or worn out Catalytic Converter, you may experience a few signs, such as darker exhaust smoke, slow engine performance, reduced acceleration, a sulfuric or rotten egg smell from coming from the exhaust, or excessive heat from underneath your INFINITI.

Additionally, a malfunctioning Catalytic Converter can cause your INFINITI's check engine light to display. However, an illuminated check engine light doesn't always mean there is an issue with the Catalytic Converter. If your INFINITI's check engine light is on, it's best to connect a scanner to the onboard computer to find out what is triggering the check engine light. Get professional assistance at your nearest authorized INFINITI service center.

Your Catalytic Converter can wear out over time. It can get clogged or pieces within the Catalytic Converter can break off and cause the converter to rattle while you drive. The Catalytic Converter can also be worn out by other problems in your vehicle. These problems can include the engine running too lean and causing the catalytic converter to run hot, or burning oil in your engine. It's important to ensure there are no additional issues causing the Catalytic Converter to wear out.

If you believe your Catalytic Converter is wearing down quicker than it should, head to your nearest authorized service center for a full vehicle inspection. Get a new Catalytic Converter from genuine INFINITI Parts and have it installed by a professional INFINITI technician.

This Exhaust System Catalytic Converter, B08B34HB0B, fits your INFINITI M37, INFINITI M56, INFINITI Q50, or INFINITI Q70. See the What This Fits tab for more details.


Fits M70, Q50, Q70

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Diagram CATALYST CONVERTER,EXHAUST FUEL & URE IN for your INFINITI
#20802+A
Required: 1
VQ35HR ENGINE HM34 MOTOR<201101 - 201407>
VQ35HR ENGINE HM34 MOTOR<201407 - >
2014 - 2015
- VQ35HR ENGINE HM34 MOTOR

2015 - 2018
- VQ35HR ENGINE HM34 MOTOR
Diagram CATALYST CONVERTER,EXHAUST FUEL & URE IN for your INFINITI
#20802+A
Required: 1
VQ35HR ENGINE<201305 - 201512>
VQ35HR ENGINE<201512 - 201807 >
2014 - 2016
LH - VQ35HR ENGINE

2016 - 2018
LH - VQ35HR ENGINE

2018 - 2019
- VQ35HR ENGINE

The price of this item includes a refundable core charge of $250.00.

A core charge is a refundable deposit added to the cost of certain car parts. It reduces environmental impact by providing an incentive to return the old, used part (core) for recycling when purchasing a new or remanufactured component. Returning the core in good condition allows you to get the core charge refunded.

Core Charge

This product has a $250.00 core charge which will be included in the cart at checkout.

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Manufacturer Warranty