1. Catalytic Converters Parts
  2. sku: 8666428833320891
  3. ONE STOP EXHAUST 487-NJS38

ONE STOP EXHAUST 487-NJS38 Catalytic Converter 3.8L 1SE

fits model: Lesabre. make: Buick. year: 1997–2005.

487-njs38 One Stop Exhaust Fits 1997-2005 Buick Lesabre 3.8l Heavy Duty Main Catalytic Converter 1se

( Brand: One Stop Exhaust ), ( Oe Spec Or Performance/custom: Oe Spec ), ( Fitment Type: Direct Replacement ), ( Items Included: Bolts, Mounting Hardware, Screw, Seal ), ( Manufacturer Part Number: 487-NJS38 ), ( California Prop 65 Warning: Restricted ), ( Type: Catalytic Converter ), ( Substrate Material: Ceramic ), ( Manufacturer Warranty: 1 Year ), ( Labels Certifications: Epa ), ( Features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace, No Drilling Required, Sealed ), ( Country Of Origin: Canada )

Review ONE STOP EXHAUST Buick 3.8l Heavy Duty Main Catalytic Converter 1se fits LESABRE 1997–2005

Catalytic Converter Replacement for 1997-2005 Buick LeSabre 3.8L V6 Engines (Exhaust System Part 487-NJS38)

Description:

The Buick LeSabre, a popular mid-size car manufactured by General Motors between 1997 and 2005, was equipped with a 3.8L V6 engine that delivered a smooth and powerful driving experience. However, like any other automotive component, the catalytic converter in the exhaust system could wear out over time, leading to decreased performance and potential emissions issues. If you're in need of a replacement catalytic converter for your Buick LeSabre with a 3.8L V6 engine, look no further than the 487-NJS38 exhaust part.

The 487-NJS38 exhaust system catalytic converter is a precision-engineered component designed to meet or exceed OEM specifications. This vital emissions control device is responsible for converting harmful exhaust gases into less toxic fumes through a chemical reaction. The converter features a robust design with a high-flow monolithic substrate, ensuring optimal catalytic activity and efficient gas flow.

This catalytic converter boasts several advantages that make it an excellent choice for your Buick LeSabre. First and foremost, it is a direct fit, ensuring a seamless installation process. It is also constructed from durable materials, such as corrosion-resistant stainless steel, ensuring long-lasting performance.

Additionally, the 487-NJS38 catalytic converter is CARB (California Air Resources Board) and Federal Emissions compliant, meeting rigorous emissions standards. This not only ensures that your Buick LeSabre continues to meet environmental regulations but also improves overall engine performance.

When it comes to installation, the 487-NJS38 catalytic converter is designed to be a bolt-on replacement. This means that you don't need to spend hours under the hood trying to adapt the new part to your vehicle. Simply remove the old converter and replace it with the new one, following the steps outlined in the included installation guide.

In summary, the 487-NJS38 catalytic converter is a high-quality, direct-fit replacement designed for the 1997-2005 Buick LeSabre with a 3.8L V6 engine. This component is constructed from durable materials, is CARB and Federal Emissions compliant, and offers a seamless installation process. By upgrading your Buick LeSabre with this new catalytic converter, you'll improve both the performance and emissions output of your vehicle, ensuring a safer and more enjoyable driving experience.

Buying a catalytic converter for a 1997-2005 Buick LeSabre with a 3.8L engine and a model number 487-NJS38 can be a crucial decision for maintaining the vehicle's emissions system and overall performance. Here are some pros and cons to consider before making a purchase.

Pros:

1. Improved Emissions: A new catalytic converter can help reduce harmful emissions, making your Buick LeSabre more environmentally friendly and compliant with local regulations.

2. Better Fuel Efficiency: A faulty catalytic converter can negatively impact fuel efficiency, causing your vehicle to burn more fuel than necessary. Replacing it with a new one can help improve your gas mileage, saving you money on fuel costs over time.

3. Smoother Engine Performance: A malfunctioning catalytic converter can cause noticeable symptoms like rough idling, lack of power, and poor acceleration. A new converter can help alleviate these issues, providing a smoother and more enjoyable driving experience.

4. Reduced Engine Damage: A faulty catalytic converter can cause damage to other components in the exhaust system, potentially leading to expensive repairs down the line. Replacing the converter before significant damage occurs can save you money in the long run.

Cons:

1. Cost: Catalytic converters can be expensive, especially for larger vehicles like the Buick LeSabre. The cost of the converter itself, plus labor and installation fees, can add up quickly.

2. Complexity: Installing a catalytic converter can be a complex process, requiring specialized tools and knowledge. If you're not comfortable working on your own vehicle, it's best to leave the installation to a professional mechanic.

3. Potential for Counterfeit Parts: The aftermarket for catalytic converters is vast, and not all parts are created equal. Be sure to purchase your catalytic converter from a reputable supplier or dealership to ensure you're getting a genuine, high-quality part.

Conclusion:

Considering the pros and cons, buying a new catalytic converter for your 1997-2005 Buick LeSabre with a 3.8L engine can be a worthwhile investment. Not only will it improve emissions, fuel efficiency, and engine performance, but it can also help prevent costly repairs down the line. However, the expense and complexity of the installation process should be taken into account. Ultimately, if you're experiencing symptoms of a faulty catalytic converter or simply want to maintain the health of your vehicle, purchasing a new converter is a wise decision. Just be sure to buy from a reputable supplier and consider having it installed by a professional mechanic to ensure a successful and hassle-free experience.

part # 487njs38 prices

  • $9.99-$20.19

specifications catalyticonvo:

  • for models: Lesabre
  • for makes: Buick
  • for years: 1997-2005
  • brand: One Stop Exhaust
  • oe spec or performance/custom: Oe Spec
  • fitment type: Direct Replacement
  • items included: Bolts, Mounting Hardware, Screw, Seal
  • manufacturer part number: 487-NJS38
  • california prop 65 warning: Restricted
  • type: Catalytic Converter
  • substrate material: Ceramic
  • manufacturer warranty: 1 Year
  • labels certifications: Epa
  • features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace, No Drilling Required, Sealed
  • country of origin: Canada

payments catalyticonvo:

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

shipping catalyticonvo:

  • service: Economy
  • cost: $0.00
  • transit: 3-10 Days
  • type: Fixed
  • class: Economy

offer catalyticonvo:

  • availability: In Stock
  • sold: 0
  • quantity: 10
  • options: Ship-to-home
  • started: January 12, 2026

general catalyticonvo:

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

returns catalyticonvo:

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

seller catalyticonvo:

  • # reviews: 993
  • rating: 90.0%
for models: lesabre, for makes: buick, for years: 1997-2005, oe spec or performance/custom: oe spec, fitment type: direct replacement, items included: bolts, mounting hardware, screw, seal, california prop 65 warning: restricted, type: catalytic converter, substrate material: ceramic, manufacturer warranty: 1 year, labels certifications: epa, features: 100 accuracy of fit, bolt-on connection, easy to replace, no drilling required, sealed, country of origin: canada,
category: auto parts > car truck parts accessories > exhaust emission systems > catalytic converters, sku: 8666428833320891,

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