NAQ NCACO00056 Rear Front Catalytic Converter QX56 5.6L

( Brand: Naq ), ( Type: Catalytic Converter ), ( Fitment Type: Direct Replacement ), ( Features: Easy To Replace ), ( Oe/oem Part Number: 641476, 641477, 16870, 16871, 50549, 50550 ), ( Manufacturer Part Number: NCACO00056 ), ( Placement On Vehicle: Left, Right ), ( Performance Part: Yes ), ( Body Material: Aluminum, Stainless Steel ), ( Finish: Polished ), ( Labels Certifications: Epa ), ( Restricted States: Ca, Co, Ny Me )

Review NAQ 2005 2006 2007 Infiniti 5.6l Front And Rear Catalytic Converter fits 2008–2010

The NAQ NCACO00056 catalytic converter is a crucial component of the exhaust system for select Infiniti QX56 models produced between 2005 and 2010, featuring a 5.6L 8-cylinder engine. This catalytic converter plays a vital role in reducing harmful emissions released by the vehicle's engine, ensuring compliance with environmental regulations.

The design of this catalytic converter is sophisticated and intricate. It is constructed with a ceramic honeycomb monolithic substrate, which is coated with a precious metal catalyst to facilitate the conversion process of harmful gases into less harmful ones. The substrate's unique structure provides a large surface area for the catalyst to work effectively, maximizing the converter's efficiency in reducing emissions.

The exterior casing of the NAQ NCACO00056 catalytic converter is made from heat-resistant stainless steel, which protects the converter from the extreme temperatures generated within the exhaust system. The inlet and outlet pipes are also made of stainless steel, ensuring durability and resistance to corrosion.

This catalytic converter is designed to meet Federal and California emission standards, and its high-performance catalyst ensures that the Infiniti QX56 continues to operate efficiently while minimizing its environmental footprint.

The installation of the NAQ NCACO00056 catalytic converter is straightforward and can typically be completed by a professional mechanic or an experienced DIY enthusiast. The converter is supplied with all necessary gaskets and hardware for a seamless installation process.

In the event that the catalytic converter needs to be replaced, choosing an OEM (Original Equipment Manufacturer) part like the NAQ NCACO00056 ensures that you are getting a high-quality component that is specifically designed for your Infiniti QX56, ensuring optimal performance and longevity. Furthermore, using an OEM catalytic converter can help maintain the vehicle's value and resale potential.

Pros and Cons of Buying a NA (Nissan Automotive) NAQ NCACO00056 Catalytic Converter for 2005-2010 Infiniti QX56 5.6L

a. OEM (Original Equipment Manufacturer) Part: This catalytic converter is an original part made by Nissan, ensuring optimal fit and performance.

b. Improved Emission System: A catalytic converter is a crucial component of the vehicle's emission system, and replacing a faulty one will help your Infiniti QX56 comply with local emission regulations.

c. Enhanced Engine Performance: A malfunctioning catalytic converter may cause noticeable decreases in engine performance. Replacing it will restore the engine's power and efficiency.

d. Long-Term Savings: Although the upfront cost may be high, investing in an OEM catalytic converter can save you money in the long run, as it is less likely to fail compared to aftermarket parts.

a. High Cost: Catalytic converters, especially OEM ones, can be quite expensive. The cost of the NAQ NCACO00056 may deter some buyers.

b. Professional Installation Required: Catalytic converter replacement is a complicated process that typically requires professional expertise and specialized tools.

c. Potential for Additional Repairs: A faulty catalytic converter may indicate other issues within the vehicle's emission system, which could result in additional repair costs.

When considering the pros and cons of buying a NAQ NCACO00056 catalytic converter for a 2005-2010 Infiniti QX56, it's essential to weigh the benefits, such as improved emission system performance and engine efficiency, against the drawbacks, including the high cost and potential need for additional repairs. Ultimately, if you value the peace of mind that comes with using an OEM part and are concerned about long-term savings, investing in the NAQ NCACO00056 may be the best choice for your Infiniti QX56. However, if you're on a tight budget, you might consider exploring aftermarket alternatives or seeking out a more cost-effective used OEM catalytic converter.

If you decide to purchase the NAQ NCACO00056 catalytic converter, it's strongly recommended to have it installed by a professional mechanic to ensure proper fitment and optimal performance. Additionally, consider having the vehicle's other emission components inspected to identify and address any potential issues before they cause further damage.

part # ncaco00056 prices

• $249.99-$273.00

specifications catalyticonvo:

• for makes: Infiniti
• for years: 2008-2010
• brand: Naq
• type: Catalytic Converter
• fitment type: Direct Replacement
• features: Easy To Replace
• oe/oem part number: 641476, 641477, 16870, 16871, 50549, 50550
• manufacturer part number: NCACO00056
• placement on vehicle: Left, Right
• performance part: Yes
• body material: Aluminum, Stainless Steel
• finish: Polished
• labels certifications: Epa
• restricted states: Ca, Co, Ny Me

payments catalyticonvo:

• other
• wallet: Paypal
• credit card: Diners-club

offer catalyticonvo:

• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 10
• started: January 19, 2026

returns catalyticonvo:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general catalyticonvo:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters

shipping catalyticonvo:

• type: Fixed
• class: Economy, Standard, Expedited
• service: Economy, Standard, Expedited
• cost: $0.00
• transit: 4-8 Days

seller catalyticonvo:

• # reviews: 191
• rating: 98.5%

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