1. Catalytic Converters Parts
  2. sku: 8744518427293633
  3. AC 25056620

GENERAL MOTORS AC 25056620 Nos Gm Catalytic Converter 3.8L National

fits model: Grand. make: Buick. year: 1985–1987.

25056620 General Motors Ac New Nos Gm Catalytic Converter 1985-1987 3.8l Buick Grand National

( Brand: General Motors Ac ), ( Type: Catalytic Converter ), ( Ipn: 25056620 ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: No ), ( Country Of Origin: United States )

Review GENERAL MOTORS AC New Nos Gm Catalytic Converter 3.8l Buick National fits GRAND 1985–1987

Introducing the General Motors Original Equipment (OE) Catalytic Converter, part number 25056620, specifically designed for 1985-1987 Buick National vehicles with a 3.8L engine. This catalytic converter is a direct replacement for the original component, ensuring optimal performance and compliance with emission standards.

This high-quality catalytic converter features a robust design with a durable housing made from heat-resistant materials. It is designed to withstand the extreme temperatures generated by the engine, maintaining its structural integrity and functionality over time. Furthermore, it comes with a built-in thermal insulation system that helps prevent heat loss, ensuring efficient operation and reduced emissions.

The core of this catalytic converter is made up of advanced ceramic substrates, coated with precious metals such as platinum, palladium, and rhodium. These materials facilitate the conversion of harmful exhaust gases into less toxic ones, effectively reducing the vehicle's overall emissions and improving its environmental footprint.

The converter's inlet and outlet pipes are engineered to fit seamlessly with the vehicle's exhaust system, eliminating the need for extensive modifications or fabrication work. Additionally, it comes with the necessary mounting hardware and gaskets, making the installation process hassle-free and straightforward.

By choosing the General Motors Original Equipment Catalytic Converter, you can enjoy the peace of mind that comes with knowing you're using a genuine replacement part, backed by the brand's reputation for quality and reliability. This component not only helps maintain your vehicle's performance and fuel efficiency but also ensures it meets the required emission standards, keeping both you and the environment safe.

Buying a new General Motors (GM) catalytic converter, part number 25056620, for a 1985-1987 Buick National with a 3.8L engine involves considering both the advantages and disadvantages of this purchase.

Advantages:

1. Improved Emissions: A new catalytic converter can help reduce harmful emissions from the vehicle, making it more environmentally friendly.

2. Better Fuel Efficiency: A properly functioning catalytic converter can improve the overall fuel efficiency of the vehicle by reducing exhaust gas backpressure.

3. Longer Engine Life: By reducing harmful emissions and improving fuel efficiency, a new catalytic converter can help extend the life of the engine.

4. Smoother Operation: A new catalytic converter can help reduce engine noise and improve overall vehicle performance.

Disadvantages:

1. Cost: The cost of a new catalytic converter can be high, especially for older vehicles like the 1985-1987 Buick National.

2. Installation Complexity: Installing a catalytic converter can be a complex process, especially for those without mechanical experience.

3. Potential for Damage: During installation, there is a risk of damaging other components in the exhaust system.

4. Availability: Depending on the availability of the specific catalytic converter model, there may be a wait time for delivery.

Conclusion:

The decision to buy a new GM catalytic converter, part number 25056620, for a 1985-1987 Buick National with a 3.8L engine ultimately depends on the individual's priorities and circumstances. If reducing emissions, improving fuel efficiency, and extending engine life are top priorities, then the investment in a new catalytic converter may be worthwhile. However, if cost and installation complexity are major concerns, it may be worth exploring alternative solutions, such as repairing the existing catalytic converter or considering a used catalytic converter.

Recommendation:

If you decide to proceed with purchasing a new catalytic converter, I would recommend researching reputable auto parts suppliers and comparing prices to ensure you are getting a fair price. Additionally, consider having the catalytic converter installed by a professional mechanic to minimize the risk of damage to other components and ensure proper installation.

part # 25056620 price

  • $949.99

specifications catalyticonvo:

  • for models: Grand
  • for makes: Buick
  • for years: 1985-1987
  • brand: General Motors Ac
  • type: Catalytic Converter
  • interchange part number: 25056620
  • manufacturer warranty: 1 Year
  • universal fitment: No
  • country of origin: United States

offer catalyticonvo:

  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • started: January 16, 2026
  • availability: In Stock
  • quantity: 1

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seller catalyticonvo:

  • # reviews: 4881
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shipping catalyticonvo:

  • cost: $32.74
  • class: Standard
  • type: Fixed
  • transit: 4-7 Days
  • service: USPS Ground Advantage
  • carrier: USPS

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  • paid by: Seller
  • time: 30 Days
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general catalyticonvo:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters
for models: grand, for makes: buick, for years: 1985-1987, type: catalytic converter, manufacturer warranty: 1 year, universal fitment: no, country of origin: united states,
category: auto parts > car truck parts accessories > exhaust emission systems > catalytic converters, sku: 8744518427293633,

General Motors Ac 25056620 Is Similar To:

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1 offer $949.99 USD
  • Offer #1: $949.99 price + $32.74 delivery = $982.73* total. 1985 Buick Regal Base, Grand National, Limited, T-Type 3.8L V6 - Gas, 4.3L V6 - Diesel, 5.7L V8 - Diesel. NOS GM AC Catalytic Converter.+$32.74 shipping