GM 20831820 Catalytic Converter Flanges Gasket Studs 3-WAY

( Brand: Gm ), ( Part Type: Gasket Converter Flange ), ( Manufacturer Part Number: 20831820 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2012 2013 ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included )

Review GM Genuine 3-way Catalytic Converter Flanges Gasket And Studs fits IMPALA 2012–2013

Introducing the GM 20831820 3-way catalytic converter flanges gasket studs, a crucial component in the proper functioning of your vehicle's exhaust system. These studs are designed specifically for 3-way catalytic converters and feature a robust construction that ensures reliable performance.

The studs are made of high-strength material, engineered to withstand the extreme temperatures and pressures of the exhaust gases. Each stud comes with a thread diameter of 12mm and a length of approximately 58mm, providing the perfect fit for most catalytic converters.

The studs also include a corrosion-resistant finish, protecting them from the harmful effects of the exhaust gases and the surrounding environment. This feature not only enhances their durability but also ensures that they maintain their appearance and functionality over an extended period of time.

The GM 20831820 3-way catalytic converter flanges gasket studs come with a gasket pre-installed, simplifying the installation process. The gasket is made of a high-temperature material that seals tightly against the converter and the exhaust manifold, preventing exhaust leaks and ensuring optimal exhaust flow.

The studs are also designed with a hex head for easy torquing during installation. This feature allows for precise installation, ensuring that the studs are tightened to the recommended specifications and that the catalytic converter is securely fastened in place.

In summary, the GM 20831820 3-way catalytic converter flanges gasket studs are a must-have for anyone looking to maintain or upgrade their vehicle's exhaust system. Their robust construction, corrosion-resistant finish, and easy-to-install design make them an ideal choice for both professional mechanics and DIY enthusiasts.

Buying GM 20831820 3-way catalytic converter flanges gasket studs can have both advantages and disadvantages, depending on the specific circumstances. Here are some potential pros and cons:

1. OEM (Original Equipment Manufacturer) parts: These gasket studs are manufactured by General Motors, ensuring they are a perfect fit for your vehicle and meet the original equipment specifications.

2. Improved performance: Replacing worn-out or damaged gasket studs can help improve your catalytic converter's performance, resulting in better fuel efficiency and reduced emissions.

3. Longer lifespan: Using high-quality OEM parts can help extend the lifespan of your catalytic converter, saving you money in the long run.

1. Cost: OEM parts like these gasket studs can be more expensive compared to aftermarket alternatives.

2. Availability: GM 20831820 3-way catalytic converter flanges gasket studs might not be readily available at your local auto parts store, requiring you to order them online or from a dealership.

3. Installation: Installing these parts yourself may require some level of mechanical expertise, and improper installation could lead to further issues.

In conclusion, while buying GM 20831820 3-way catalytic converter flanges gasket studs offers several advantages, such as improved performance and longer lifespan, the higher cost and potential difficulty in obtaining and installing them might be considered disadvantages. Ultimately, the decision to purchase these parts depends on your priorities, budget, and mechanical ability. If you value the peace of mind that comes with using genuine OEM parts and are willing to invest in their cost and potential installation challenges, then purchasing these gasket studs is a worthwhile investment. However, if you're looking for a more cost-effective alternative, aftermarket parts may be a better choice for you.

part # 20831820 prices

• $1962.28-$1999.50

specifications catalyticonvo:

• for models: Impala
• for years: 2012-2013
• brand: Gm
• part type: Gasket Converter Flange
• manufacturer part number: 20831820
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Chevrolet
• year: 2012 2013
• parts included: Only Part Reference 1 On The Diagram Is Included

seller catalyticonvo:

• # reviews: 778
• rating: 94.4%

offer catalyticonvo:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: November 2, 2025
• quantity: 1

returns catalyticonvo:

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

shipping catalyticonvo:

• cost: $0.00
• class: Standard, Expedited, One-day
• carrier: UPS
• transit: 5-9 Days
• type: Fixed
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver

general catalyticonvo:

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

payments catalyticonvo:

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

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