GM 55505989 Converter

( Brand: Gm ), ( Part Type: Converter ), ( Manufacturer Part Number: 55505989 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review GM Genuine Converter fits FS

The GM 55505989 FS Converter is a versatile and efficient solution for those looking to convert their manual transmission vehicle into a fully automatic one. This converter is specifically designed for use with GM automatic transmission systems, making it an ideal choice for GM vehicle owners seeking the convenience of an automatic transmission.

The GM 55505989 FS Converter is built with a robust and durable cast iron housing, ensuring long-lasting performance and reliability. It features a 3-disc torque converter with a lock-up clutch, allowing for smooth and efficient power transmission between the engine and the transmission. The unit also comes with a pre-assembled torque converter, making installation a simpler and more straightforward process.

One of the key advantages of the GM 55505989 FS Converter is its ability to provide a seamless driving experience. The converter's lock-up clutch engages at high RPMs, allowing for a direct mechanical connection between the engine and the transmission, resulting in improved acceleration and reduced fuel consumption. Additionally, the converter's automatic operation eliminates the need for the driver to manually shift gears, making driving more comfortable and convenient.

The GM 55505989 FS Converter is suitable for use in a wide range of applications, including daily driving, towing, and off-road use. It is designed to handle high torque loads and can be used in both gasoline and diesel engines. The converter also comes with a 12-month warranty, providing peace of mind and protection against any manufacturing defects.

Installation of the GM 55505989 FS Converter requires some mechanical knowledge and experience, as well as the use of specialized tools. It is recommended that the installation be performed by a qualified professional to ensure proper installation and functioning. The converter comes with clear and detailed installation instructions, making the process as straightforward as possible.

In summary, the GM 55505989 FS Converter is a high-quality and durable solution for those looking to convert their manual transmission GM vehicle into a fully automatic one. With its robust cast iron housing, efficient 3-disc torque converter, and seamless automatic operation, this converter offers improved performance, convenience, and fuel efficiency. It is suitable for a wide range of applications and comes with a 12-month warranty for added peace of mind.

Pros and Cons of buying a GM 55505989 FS Converter

The GM 55505989 FS Converter is a popular automotive part that is designed to help improve the efficiency and performance of a vehicle's fuel system. In this analysis, we will discuss the pros and cons of purchasing this converter to help you make an informed decision.

1. Improved Fuel Economy: One of the primary benefits of the GM 55505989 FS Converter is the potential for improved fuel economy. By optimizing the fuel-air mixture in the engine, this converter can help reduce fuel consumption and save money on gas.

2. Enhanced Performance: The GM 55505989 FS Converter can also help improve the overall performance of your vehicle. By ensuring a consistent fuel-air mixture, this converter can help increase horsepower, torque, and throttle response.

3. Easy Installation: This converter is relatively easy to install and does not require any major modifications to the engine or fuel system. It can typically be installed in under an hour with basic hand tools.

4. Durable Design: The GM 55505989 FS Converter is built to last. It is made from high-quality materials and is designed to withstand the rigors of everyday driving.

1. Cost: The cost of the GM 55505989 FS Converter can be a significant investment, especially for budget-conscious consumers. Depending on the location and dealer, the cost of this converter can range from $200 to $500 or more.

2. Potential for Check Engine Light: Some users have reported that the installation of this converter can trigger the check engine light on their vehicle. While this issue is typically easy to resolve with a simple recalibration of the engine computer, it can be a frustrating experience for some consumers.

3. Limited Compatibility: The GM 55505989 FS Converter is specifically designed for use with GM vehicles. It may not be compatible with other makes and models, so it is essential to verify that it will work with your vehicle before making a purchase.

The GM 55505989 FS Converter is a high-quality automotive part that can offer significant benefits for consumers looking to improve the efficiency and performance of their vehicle's fuel system. While there are some potential downsides, such as the cost and limited compatibility, the pros of this converter far outweigh the cons. If you are looking for a reliable and effective way to save money on fuel and enhance the overall performance of your GM vehicle, the GM 55505989 FS Converter is a worthwhile investment.

If you are considering purchasing the GM 55505989 FS Converter, it is essential to do your research and ensure that it is compatible with your vehicle. You should also consider the potential benefits and costs carefully before making a decision. If you are confident that this converter is right for you and your vehicle, then it is a solid investment that can help you save money on fuel and improve the overall performance of your GM vehicle.

part # 55505989 price

• $3366.50

specifications catalyticonvo:

• for models: Fs
• brand: Gm
• part type: Converter
• manufacturer part number: 55505989
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement

offer catalyticonvo:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: May 11, 2026

general catalyticonvo:

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

seller catalyticonvo:

• rating: 99.2%
• # reviews: 32528

shipping catalyticonvo:

• type: Fixed
• class: Standard
• carrier: FedEx
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• transit: 12-21 Days

returns catalyticonvo:

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

payments catalyticonvo:

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

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