GM 42339689 Catalytic Converter Sonic 3-WAY

( Brand: Gm ), ( Model: SONIC ), ( Part Type: Converter ), ( Manufacturer Part Number: 42339689 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2017 2018 ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included )

Review GM Genuine 3-way Catalytic Converter fits 2017–2018

The GM 42339689 3-way catalytic converter is a crucial component of your vehicle's exhaust system, designed to reduce harmful emissions and improve overall engine performance. This catalytic converter, manufactured by General Motors, is specifically engineered for select GM applications.

Measuring approximately 21.6 inches in length, 6.3 inches in width, and 8.1 inches in height, this converter is meticulously crafted to fit securely and efficiently within the confines of your automobile's undercarriage. The exterior casing is made from high-strength steel for durability and resistance to corrosion, ensuring long-lasting performance.

Inside the converter, a complex network of honeycomb-shaped monoliths coated with precious metal catalysts promotes a chemical reaction that converts carbon monoxide, hydrocarbons, and nitrogen oxides into less harmful gases. The converter operates at optimal temperatures through its integrated heat shield, maintaining an ideal environment for effective emissions reduction.

This particular catalytic converter is a 3-way design, meaning it can reduce nitrogen oxides through a process called selective catalytic reduction. This technology significantly lowers the levels of nitrogen oxides emitted by your vehicle, contributing to better air quality for the environment.

Installation of the GM 42339689 catalytic converter is relatively straightforward, with clear mounting instructions and compatible gaskets and bolts included in the packaging. However, it is always recommended to have the conversion performed by a certified mechanic to ensure proper fitment and function.

In summary, the GM 42339689 3-way catalytic converter is an essential part of your vehicle's exhaust system, working tirelessly to improve engine performance and reduce harmful emissions. With its robust steel construction, precise engineering, and advanced catalytic technology, this converter delivers reliable, long-lasting performance for your GM application.

Buying a GM 42339689 3-way catalytic converter comes with several pros and cons that every potential buyer should consider before making a purchase.

1. Environmental Compliance: This catalytic converter meets the environmental standards set by the Environmental Protection Agency (EPA) and the California Air Resources Board (CARB), ensuring that your vehicle emits the minimum amount of harmful pollutants.

2. Improved Engine Performance: A new catalytic converter can help improve engine performance by reducing exhaust backpressure and increasing the efficiency of the exhaust system.

3. Longer Lifespan: A high-quality catalytic converter like the GM 42339689 is designed to last longer than the original equipment, reducing the need for frequent replacements.

1. Cost: Catalytic converters can be expensive, especially high-performance aftermarket options like the GM 42339689. The cost may be a deterrent for some buyers.

2. Installation: Installing a catalytic converter can be a complex process, especially for those without automotive experience. It may be necessary to hire a professional to ensure proper installation.

3. Availability: Depending on the specific make and model of the vehicle, the GM 42339689 catalytic converter may not be readily available at local auto parts stores, requiring buyers to order online or travel to a specific supplier.

The GM 42339689 3-way catalytic converter offers several benefits, including environmental compliance, improved engine performance, and a longer lifespan. However, it also comes with some drawbacks, such as cost, installation complexity, and potential availability issues. Ultimately, the decision to purchase this catalytic converter depends on the individual buyer's priorities and budget.

If you prioritize environmental compliance, improved engine performance, and a longer-lasting catalytic converter, then the GM 42339689 3-way catalytic converter may be a worthwhile investment. However, if cost is a significant concern, you may want to consider alternative options or wait until you can afford the higher price tag. Additionally, if you lack the necessary automotive experience to install the converter yourself, it may be wise to hire a professional to ensure proper installation and function.

part # 42339689 prices

• $400.00-$699.00

specifications catalyticonvo:

• for years: 2017-2018
• brand: Gm
• model#: SONIC
• part type: Converter
• manufacturer part number: 42339689
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Chevrolet
• year: 2017 2018
• parts included: Only Part Reference 7 On The Diagram Is Included

seller catalyticonvo:

• # reviews: 19058
• rating: 96.6%

shipping catalyticonvo:

• type: Fixed
• cost: $0.00
• service: FedEx Ground or FedEx Home Delivery
• transit: 5-12 Days
• class: Standard
• carrier: FedEx

general catalyticonvo:

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

payments catalyticonvo:

• wallet: Apple-pay
• credit card: Visa
• other

returns catalyticonvo:

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

offer catalyticonvo:

• quantity: 1
• started: May 18, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

Gm 42339689 Is Similar To:

• Chevrolet 95437096 2018 Sonic Lt Automatic Gm 1.8l-l4-catalytic Converter Oem (37.7% similar) $550.00–$1150.86. (August 24th, 2024)
• Gm 25160429 2000 Corvette C5 Catalytic Converters Oem 45k Miles (55.6% similar) $295.00. (August 24th, 2024)
• Gm Oem 20965822 Chevrolet 2012 Captiva Sport 3.0l-v6-catalytic Converter (46.2% similar) $1780.24–$1789.52. (August 25th, 2024)
• Gm 19420229 Genuine Exhaust Manifold (46.9% similar) $1999.99–$2064.94. (August 25th, 2024)
• Gm Oem 84653314 20-21 Sierra 2500 Hd Exhaust Components-converter Pipe (36.5% similar) $170.99–$539.99. (August 25th, 2024)
• Gm Oem 12619992 24 Camaro Zl1 Chevrolet 6.2l Manifolds And Catalytic Converter Pair (40.6% similar) $171.98–$1299.99. (September 2nd, 2024)
• Gm Oem 19420274 Front Left 16-23 Camaro Ss Exhaust-catalytic Converter (50.4% similar) $649.99–$749.95. (September 3rd, 2024)
• Chevrolet 210527 Front Right Gm Oem Catalytic Converter For 2016-2023 Camaro Ss Lti Zl1 6.2l (35% similar) $540.00. (September 3rd, 2024)
• Gm 12705096 Genuine Converter (64.9% similar) $549.99–$1279.32. (September 7th, 2024)
• Chevy 12673199 Cruze Catalytic Converter 2017 1.4 Turbo Gm 12k Miles 17 (46.6% similar) $70.06–$506.24. (September 12th, 2024)
• Gm 12676621 Used 2021 Silverado 4500hd Duramax 6.6 Catalytic Convertor (48.7% similar) $1663.32. (September 23rd, 2024)