GM 55490472 Lower Crankshaft Bearing

( Brand: Gm ), ( Part Type: Bearing Crankshaft ), ( Manufacturer Part Number: 55490472 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2020 2021 2022 2023 ), ( Parts Included: Only Part Reference 25 On The Diagram Is Included )

Review GM Genuine Crankshaft Lower Bearing fits 2020–2023

The GM 55490472 crankshaft lower bearing is a crucial component of an internal combustion engine, specifically designed for use in select applications of General Motors vehicles. This bearing is responsible for supporting the crankshaft's load and transmitting power from the engine to the transmission or drivetrain.

This crankshaft lower bearing is engineered with a precision-machined steel housing that provides a robust and stable foundation for the bearing's inner components. The housing's exterior surface is coated with a high-temperature, anti-corrosion paint to protect it from environmental conditions and ensure long-lasting performance.

The inner portion of the bearing consists of a set of high-quality, heat-treated steel roller bearings. These bearings are designed to minimize friction and provide excellent load-carrying capacity, ensuring smooth engine operation and extended component life. The rollers are sealed within the bearing using a labyrinth seal design that prevents the intrusion of contaminants, such as engine oil or debris, while allowing the necessary oil flow for lubrication.

The GM 55490472 crankshaft lower bearing is also designed to accommodate the use of an external oil seal, which helps to prevent oil leaks and maintain the proper crankshaft oil pressure. The oil seal is installed on the outer edge of the bearing housing and seals against a mating surface, creating a tight barrier against oil loss.

This crankshaft lower bearing is manufactured to meet or exceed General Motors' strict specifications for quality and performance. It is engineered to provide a long service life, even under the demanding conditions of high-performance applications. Installation is relatively straightforward, and the bearing comes complete with the necessary hardware for a trouble-free installation process.

In summary, the GM 55490472 crankshaft lower bearing is an essential component for maintaining the performance and reliability of select General Motors engines. Its robust design, superior materials, and sealing technology make it a top choice for maintaining optimal engine function and longevity.

Buying a GM 55490472 crankshaft lower bearing involves considering its potential advantages and disadvantages for your vehicle's engine repair. Here's a brief analysis:

1. Original Equipment Manufacturer (OEM): This part is a direct replacement from General Motors, ensuring a proper fit and function, as well as potential warranty coverage.

2. High-Quality Material: The bearing is typically made from premium materials that can withstand the rigors of engine operation, ensuring extended durability and reliability.

3. Improved Performance: A worn-out or damaged crankshaft lower bearing can cause engine vibrations and noise. Replacing it with a new one can significantly reduce these symptoms, leading to smoother engine operation and improved overall performance.

1. Cost: OEM parts, like the GM 55490472 crankshaft lower bearing, can be more expensive compared to aftermarket alternatives. However, the investment in a high-quality part can save you money in the long run by avoiding potential engine damage or costly repairs.

2. Installation Complexity: Installing a crankshaft lower bearing requires significant engine disassembly, which can be time-consuming and labor-intensive. It is recommended to have this work done by a professional mechanic to ensure proper installation and to avoid causing further damage to the engine.

3. Availability: Depending on the specific vehicle make, model, and engine configuration, the GM 55490472 crankshaft lower bearing may not always be readily available at local parts stores. In such cases, it may be necessary to order it online or from a specialized parts supplier.

The GM 55490472 crankshaft lower bearing is a high-quality OEM part that can provide significant benefits to your vehicle's engine, such as improved performance, extended durability, and potential warranty coverage. However, it comes with some drawbacks, including cost, installation complexity, and availability. Ultimately, the decision to purchase this part depends on your budget, engine repair needs, and personal preferences. If you prioritize engine reliability and performance, investing in an OEM crankshaft lower bearing may be the best choice for your vehicle.

Details:

Found a Better Price. Silverado, sierra. Just Didn't Like it. Changed My Mind.

part #: 55490472 price

• $27.93

specifications engibearing:

• for years: 2020-2023
• brand: Gm
• part type: Bearing Crankshaft
• manufacturer part number: 55490472
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Cadillac
• year: 2020 2021 2022 2023
• parts included: Only Part Reference 25 On The Diagram Is Included

returns engibearing:

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

seller engibearing:

• # reviews: 23442
• rating: 98.1%
• city: Garland, Texas

shipping engibearing:

• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• transit: 5-12 Days
• class: Standard
• type: Fixed

payments engibearing:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer engibearing:

• sold: 0
• availability: In Stock
• started: November 28, 2025
• options: Ship-to-home
• quantity: 4

general engibearing:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

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