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Infiniti G37 Catalytic Converter Problems

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20 Best Infiniti G37 Catalytic Converter Problems of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Infiniti G37 Catalytic Converter Problems of 2023. Check our ranking below.

2,913 Reviews Scanned

SaleRank No. #1
A-Premium Left and Right 2-PC Catalytic Converter Kit Direct-Fit Compatible with Infiniti Q50, G35, G37, QX50, Q60, M35, M37, QX70, Q70, Q70L, FX35, FX37, Q40, EX35, EX37 & Nissan 370Z, EPA Compliant
  • [Vehicle Fitment]: Compatible with INFINITI EX35 2008-2012 3.5L, EX37 2013-2013 3.7L, FX35 2009-2012 3.5L, FX37 2013-2013 3.7L, G35 2007-2008 (Sedan, Engine Code VQ35HR), G37 2008-2008 3.7L, G37 2009-2013 3.7L (Sedan, Coupe), M35 2009-2010 3.5L, M37 2011-2013 3.7L, Q50/Q60 2014-2015 3.7L, Q70 2014-2019 3.7L, Q70L 2015-2019 3.7L, QX50/QX70 2014-2017 3.7L; Compatible with Nissan 350Z 2007-2008 3.5L (Coupe), 370Z 2009-2013 3.7L (Coupe), 370Z 2014-2020 3.7L
  • [Reference Number]: 644029, 41096, 17115, 644030, 41097, 17116
  • [Specification]: ① E.P.A. Compliant: Yes; ② Vehicle's Emissions Specifications: Federal Emissions; ③ Restricted States: CA, NY, CO, ME; ④ Position: Left & Right; ⑤ Body Material: Stainless Steel; ⑥ Inlet Type: 3 Bolt Welded Flange; ⑦ Inlet Quantity: 1; ⑧ Outlet Type: 2 Bolt Welded Flange; ⑨ Outlet Quantity: 1; ⑩ Gasket & Bolts Included: Yes
  • [E.P.A Compliant]: EPA-compliant catalytic converters cannot be sold or installed in California and Colorado and, under certain circumstances, in Maine and New York. Check your vehicle's Emission Control Information Label and your state's aftermarket converter regulations to select the proper catalytic converter.
  • [Customer Support]: A-Premium Catalytic Converter comes with a 1-Year Unlimited-Mileage Warranty. Being brand-new and sturdy, this Catalytic Converter is the ideal choice for direct replacement. We extremely value your satisfaction and strive to provide you with a good shopping experience.
Rank No. #2
Woosphy Catalytic Converters Replacement for Infiniti G37 3.7L 2008-2013 12H5484 12H5485
  • Part OEM Number: 12H5484 12H5485
  • Part OEM Number: 12H5484 12H5485
  • Replacement for Infiniti G37 3.7L 2008-2013
  • Replacement for Infiniti G37 3.7L 2008-2013
  • Replacement for Infiniti G37 3.7L 2008-2013
Rank No. #3
RILONH Front Catalytic Converters Infiniti G37 3.7L 2008 2009 2010 2011 2012 2013 Both Sides 12H5485 12H5484 (LH+RH)
  • 【Compatibility】Fit For 2008 2009 2010 2011 2012 2013 Infiniti G37 3.7L
  • 【Package Includes】1x Front Left Catalytic Converter w/ Installation Accessories; 1x Front Right Catalytic Converter w/ Installation Accessories
  • 【Maximum Durability】Heavy-duty stainless steel housing structure for maximum durability, ensuring excellent oxygen storage capacity and long service life.
  • 【Specification】Heat Shield Material: Stainless Steel; Substrate Material: Ceramic; Placement on Vehicle: Front, Left, Right
  • 【Shipping and Compliance Note】EPA Compliant but Non-CARB Compliant. Please note that this item cannot be shipped to California, Colorado, Maine, or New York due to regulatory restrictions.
Rank No. #4
NEWZQ Front Catalytic Converters Replacement for Infiniti G37 3.7L 2008-2013 Direct Fit 12H5484 52284
  • 【Replacement Part Number】12H5484, 12H5485, 12H5485/84, 554224322205gzx, 52284, 52285. Matched with the original vehicle, installed easily to the existing system without doing the extra modification. Professional installation is highly recommended.
  • 【Compatible Car Models】Replacement for Infiniti G37 3.7L Catalytic Converter 2008-2013 Driver & Passenger Side. If you are uncertain about the compatibility, just send us your VIN. We will check it for you.
  • 【High Work Efficiency】Through oxidation reaction, reduction reaction, water-based gas reaction, and water vapor modification reaction, the three harmful CO, HC, and NOx of the engine are converted into harmless water, carbon dioxide, and nitrogen.
  • 【Long Service Life】Made from Features HD-Stainless steel, the internal structure is carefully designed to provide more 02 to your engine, fully tested under extreme conditions for service life.
  • 【Pay Attention Please】Not legal for sale in California and New York. If your vehicle is registered in California or New York, do not purchase this part. If your vehicle meets California requirements but is not registered in California or New York, this converter will work on your vehicle.
Rank No. #5
FUTAIHE Front Catalytic Converters Infiniti G37 3.7L 2008 2009 2010 2011 2012 2013 Both Sides 12H5485 12H5484 (LH+RH)
  • Compatibility: Fit For 2008 2009 2010 2011 2012 2013 Infiniti G37 3.7L
  • Package Includes: 1x Front Left Catalytic Converter w/ Installation Accessories; 1x Front Right Catalytic Converter w/ Installation Accessories
  • Maximum Durability: Heavy-duty stainless steel housing structure for maximum durability, ensuring excellent oxygen storage capacity and long service life.
  • Specification: Heat Shield Material: Stainless Steel; Substrate Material: Ceramic; Placement on Vehicle: Front, Left, Right
  • Shipping and Compliance Note: EPA Compliant but Non-CARB Compliant.

Last update on 2025-07-13 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What kind of problem does an Infiniti G37 have?

A: The main G37 vehicles with this issue include the 2008, 2009, and 2013, and occur at around 52,000 miles. An additional problem that is prevalent in many Infiniti G37 models is the check engine light illuminating due to a canister purge valve fault.

Q: What happens if you have a bad catalytic converter?

A: The catalytic converter is built into the vehicle’s exhaust system, and as a result, can affect the performance of the engine if it develops any problems. A clogged converter will restrict exhaust flow, while a cracked one will leak harmful gas. Either fault can negatively affect engine performance…

Q: How much does it cost to replace steering lock on Infiniti G37?

A: The typical repair cost for this averaged to be around $1,250 and occurs at around 85,000 miles, with the most common solution being to replace the steering lock. After the 2009 model with the most reported user complaints, the 2010 Infiniti G37 had many fewer complaints – but also had the highest amount of repair cost and severity.

Q: How does a catalytic converter work in a car?

A: A catalytic converter is a car component that works to reduce vehicle emissions and pollution. It is a metal canister that is installed in the exhaust system. … The catalytic converter is built into the vehicle’s exhaust system, and as a result, can affect the performance of the engine if it develops any problems.

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