NAQ NCACO00146 Catalytic Converter Sir

( Brand: Naq ), ( Type: Catalytic Converter ), ( Features: Easy To Replace ), ( Manufacturer Part Number: NCACO00146 ), ( Placement On Vehicle: Left, Right ), ( Substrate Material: Substrate Material ), ( Body Material: Aluminum, Stainless Steel ), ( Finish: Polished ), ( Oxygen Sensor Location: Pre Post Catalyst ), ( Mounting Hardware Included: Yes ), ( Labels Certifications: Epa ), ( Restricted States: Ca, Co, Me, Ny ), ( Ipn: L4 2.0l 2002-2006 )

Review NAQ Catalytic Converter Honda And Sir New fits CIVIC SI 2002–2005

Introducing the NAQ NCACO00146 Catalytic Converter, a high-performance replacement part designed specifically for the 2002-2005 Honda Civic SI models with the 2.0L DOHC i-VTEC engine. This catalytic converter is a direct fit, ensuring easy installation and a seamless replacement of your OEM component.

The NAQ NCACO00146 Catalytic Converter is engineered to deliver superior emissions control, meeting the stringent requirements of Federal Emissions Standards (FEVS). This converter features a robust monolithic design with a high-density honeycomb structure, allowing for optimal gas flow and efficient catalytic activity. The converter's core is made of premium washcoat-coated ceramic substrate, which ensures effective reduction of harmful pollutants like NOx and CO.

This catalytic converter is constructed using high-quality materials to ensure durability and longevity. It features a corrosion-resistant stainless steel shell, which protects the converter from the elements and extends its lifespan. The inlet and outlet pipes are made of heat-resistant materials, enabling the converter to withstand the extreme temperatures generated during the exhaust process.

The NAQ NCACO00146 Catalytic Converter is designed to fit perfectly on your 2002-2005 Honda Civic SI, ensuring a secure connection and a snug fit. It comes complete with all necessary hardware for installation, including the gaskets, bolts, and washers.

By choosing the NAQ NCACO00146 Catalytic Converter, you're not only investing in superior emissions control, but also in a reliable and long-lasting solution for your vehicle. This component is backed by a comprehensive warranty, giving you peace of mind and protecting your investment.

In summary, the NAQ NCACO00146 Catalytic Converter is a high-performance, direct-fit replacement for your 2002-2005 Honda Civic SI, designed to deliver optimal emissions control, durability, and a seamless installation process.

Buying a NAQ NCACO00146 Catalytic Converter for 2002-2005 Honda Civic SI: Pros, Cons, and Conclusion

The NAQ NCACO00146 catalytic converter is a replacement option for the catalytic converter in 2002-2005 Honda Civic SI models. In this discussion, we will weigh the pros and cons of purchasing this part to help you make an informed decision.

1. OEM-equivalent performance: This catalytic converter is designed to meet the same emission standards as the original part, ensuring optimal vehicle performance and fuel efficiency.

2. Affordable pricing: Compared to OEM catalytic converters, aftermarket alternatives like the NAQ NCACO00146 are typically more cost-effective, making it a budget-friendly choice for many car owners.

3. Wide availability: This aftermarket catalytic converter is readily available from various automotive parts retailers, both online and in-store, making it a convenient option for those who need a replacement part quickly.

1. Potential for lower quality: Aftermarket catalytic converters, including the NAQ NCACO00146, may not always meet the same quality standards as OEM parts. This could lead to issues such as premature failure or reduced performance.

2. Lack of warranty coverage: Many aftermarket catalytic converters, including the NAQ NCACO00146, do not come with the same level of warranty coverage as OEM parts. This means that if the part fails, the car owner may be responsible for the cost of replacement.

3. Installation concerns: Depending on the specific make and model of the Honda Civic SI, installing an aftermarket catalytic converter may require additional modifications or adjustments to ensure proper fit and function.

When considering the purchase of a NAQ NCACO00146 catalytic converter for your 2002-2005 Honda Civic SI, it is essential to weigh the pros and cons carefully. While this aftermarket option offers affordability and wide availability, it may come at the cost of lower quality and reduced warranty coverage. Ultimately, the decision depends on your individual needs, budget, and priorities.

If you prioritize OEM-equivalent performance and extended warranty coverage, it may be worth considering an OEM catalytic converter, even if it comes with a higher price tag. On the other hand, if affordability and convenience are your top priorities, the NAQ NCACO00146 catalytic converter could be a suitable alternative.

To make an informed decision, I recommend researching and comparing various catalytic converter options, including both OEM and aftermarket alternatives. Consider factors such as price, performance, warranty coverage, and compatibility with your specific Honda Civic SI model. Consulting with a professional mechanic or automotive parts specialist may also be helpful in making the best choice for your vehicle.

part # ncaco00146 prices

• $110.00-$139.00

specifications catalyticonvo:

• for models: Si, Civic
• for makes: Honda
• for years: 2002-2005
• brand: Naq
• type: Catalytic Converter
• features: Easy To Replace
• manufacturer part number: NCACO00146
• placement on vehicle: Left, Right
• substrate material: Substrate Material
• body material: Aluminum, Stainless Steel
• finish: Polished
• oxygen sensor location: Pre Post Catalyst
• mounting hardware included: Yes
• labels certifications: Epa
• restricted states: Ca, Co, Me, Ny
• interchange part number: L4 2.0L 2002-2006

payments catalyticonvo:

• credit card: Mastercard
• other
• wallet: Paypal

seller catalyticonvo:

• # reviews: 343
• rating: 97.8%

offer catalyticonvo:

• sold: 0
• availability: In Stock
• started: February 23, 2026
• best offers: True
• options: Ship-to-home

returns catalyticonvo:

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

general catalyticonvo:

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

shipping catalyticonvo:

• transit: 3-9 Days
• cost: $0.00
• class: Economy, Expedited
• type: Fixed
• service: UPS Ground Saver, Expedited
• carrier: UPS

Naq NCACO00146 Is Similar To:

• Naq Ndpf00022 Diesel Particulate Filter Dpf For 2014- 2017 Mercedes Sprinter Van 2.1l (40% similar) $380.00–$389.00. (December 4th, 2025)
• Naq Ncaco00012 New Catalytic Converter For 2015 2016 2017 Lincoln Navigator 3.5l Turbo (58.5% similar) $255.00–$288.99. (December 4th, 2025)
• Naq Ncaco00015 3 Catalytic Converter With Flex Y Pipe For 2013-2019 Nissan Pathfinder 3.5l (51.4% similar) $224.95–$259.00. (December 4th, 2025)
• Naq Ncaco00013 Catalytic Converter With Y Flex Pipe For 2019-2024 Lincoln Navigator 3.5l (55.5% similar) $348.95–$350.00. (December 4th, 2025)
• Naq Ncaco00011 For 2015-2021 Chevrolet Trax 1.4l Catalytic Converter Front And Rear With Flex Pipe (50.3% similar) $139.95–$180.00. (December 4th, 2025)
• Naq Ncaco00063 Front And Rear Catalytic Converter For 2012 2013 2014 2015-2017 Kia Soul Rio 1.6l (54.1% similar) $125.00–$166.00. (December 15th, 2025)
• Naq Ncaco00061 Front Catalytic Converter For Hyundai Elantra 1.8l 2011 2012 2013 2014 2015 2016 (58.9% similar) $171.00–$185.00. (December 22nd, 2025)
• Naq Ncaco00052 Front And Rear Catalytic Converter Set For 2010-2014 Acura Tsx 2015-2017 Tlx 3.5l (57.5% similar) $135.00–$138.95. (December 22nd, 2025)
• Naq Ncaco00055 Manifold Catalytic Converter For 2011 2012 2013-2016 Hyundai Elantra 1.8l 2.0l (55.1% similar) $116.95–$148.00. (December 23rd, 2025)
• Naq Ncaco00058 Both Catalytic Converters For Lincoln Mkt 3.5l Turbocharged 2010-2019 (50.9% similar) $148.95–$166.00. (December 23rd, 2025)
• Naq Ncaco00065 Front Catalytic Converter For Ford Fiesta St 1.6l Turbo 14 2015 2016 2017 2019 (56.2% similar) $132.05–$140.00. (December 24th, 2025)