GM 12665890 Catalytic Converters

( Brand: Gm ), ( Part Type: Converter ), ( Manufacturer Part Number: 12665890 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Buick ), ( Year: 2016 2017 2018 2019 2020 ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included )

Review GM fits 2016–2020

The GM 12665890 is a high-performance, OEM-grade engine water pump designed specifically for select applications in various GM vehicles. This water pump is engineered to meet the stringent requirements of General Motors, ensuring optimal engine cooling and longevity.

The water pump housing is cast from high-strength, durable material, providing excellent resistance to corrosion and thermal stress. The impeller is engineered for efficient water flow and cooling capacity, while the bearing design ensures smooth operation and long service life.

The GM 12665890 water pump is equipped with a robust belt drive system, allowing it to effectively transfer power from the engine to the water pump. The drive belt is reinforced for added strength and durability, reducing the risk of belt slippage or failure.

The water pump includes a built-in temperature sensor, which allows the vehicle's engine control system to accurately monitor coolant temperature and adjust engine performance accordingly. This helps maintain optimal operating conditions for the engine, improving fuel efficiency and reducing emissions.

Installation of the GM 12665890 water pump is straightforward and can be completed using standard hand tools, making it a popular choice among DIY enthusiasts and professional technicians alike. The water pump comes complete with all necessary hardware, including gaskets and seals, for a hassle-free installation process.

In summary, the GM 12665890 engine water pump is a high-quality, OEM-grade component designed to provide reliable and efficient engine cooling for select GM vehicles. Its durable construction, efficient impeller design, and robust belt drive system make it an excellent choice for maintenance or repair applications, ensuring optimal engine performance and longevity.

1. OEM (Original Equipment Manufacturer) part: The GM 12665890 is a factory original part, which means it is designed to fit and function exactly like the original part in your vehicle.

2. Improved performance: A new fuel pump can lead to improved engine performance, as it ensures an adequate fuel supply to the engine.

3. Reliability: By replacing a faulty fuel pump with a new OEM part, you can increase the reliability of your vehicle's fuel system.

1. Cost: OEM parts like the GM 12665890 can be more expensive than aftermarket parts. However, the cost may be worth it for the peace of mind and improved performance that comes with using a genuine GM part.

2. Installation: Installing a fuel pump can be a complex and time-consuming process, especially if you are not experienced in automotive repair. It may be necessary to hire a professional mechanic to install the part for you.

3. Potential for additional repairs: Depending on the cause of the failed fuel pump, there may be additional repairs needed to ensure the fuel system is functioning properly.

The GM 12665890 is a high-quality, OEM fuel pump assembly that offers improved performance and reliability for your GM vehicle. However, it comes with a higher cost and potential complexity of installation. Ultimately, whether or not to purchase this part depends on your budget, experience with automotive repair, and the importance of having a genuine GM part in your vehicle.

If you value the peace of mind and improved performance that comes with using a genuine GM part, and you have the budget for it, then the GM 12665890 is a good choice. However, if cost is a concern, you may want to consider an aftermarket fuel pump as an alternative. Regardless of which option you choose, it is recommended to have the part installed by a professional mechanic to ensure proper installation and function.

part # 12665890 prices

• $839.00-$2924.75

specifications catalyticonvo:

• for years: 2016-2020
• brand: Gm
• part type: Converter
• manufacturer part number: 12665890
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Buick
• year: 2016 2017 2018 2019 2020
• parts included: Only Part Reference 1 On The Diagram Is Included

offer catalyticonvo:

• started: November 21, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

payments catalyticonvo:

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

seller catalyticonvo:

• rating: 98.6%
• # reviews: 17737

general catalyticonvo:

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

returns catalyticonvo:

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

shipping catalyticonvo:

• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• transit: 4-8 Days
• cost: $28.66
• type: Fixed

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