GM 55490520 Upper Crankshaft Bearing

( Brand: Gm ), ( Part Type: Bearing Crankshaft ), ( Manufacturer Part Number: 55490520 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2021 2022 2023 ), ( Parts Included: Only Part Reference 25 On The Diagram Is Included )

Review GM Genuine Crankshaft Upper Bearing fits 2021–2023

The GM 55490520 crankshaft upper bearing is a vital component of an internal combustion engine, specifically designed for use in General Motors vehicles. This bearing is responsible for supporting the crankshaft's weight and reducing the friction between the crankshaft and engine block.

This bearing is manufactured using high-quality materials, including a steel outer race, a brass inner race, and a chrome steel ball retainer. The rolling elements are made of hardened and precision ground chrome steel balls, ensuring durability and long-lasting performance.

The GM 554490520 crankshaft upper bearing is designed to fit specifically in GM applications and comes pre-lubricated with a synthetic oil that provides long-lasting lubrication and protection against wear. The oil seal is also included in the design to prevent oil leakage.

The bearing's dimensions are 3.00 inches in length, 2.75 inches in width, and 1.25 inches in height. It weighs approximately 1.3 pounds. The outer diameter of the bearing is 3.125 inches, and the inner diameter is 2.913 inches.

This bearing is engineered to meet or exceed OEM specifications, ensuring a proper fit and reliable performance. It is recommended to replace this bearing whenever rebuilding the engine or when experiencing symptoms such as excessive engine noise, vibration, or oil leakage.

In summary, the GM 55490520 crankshaft upper bearing is a high-quality, pre-lubricated bearing designed specifically for use in General Motors vehicles. It is manufactured using durable materials and engineered to meet or exceed OEM specifications, ensuring a proper fit and reliable performance. This bearing is essential for reducing friction and supporting the weight of the crankshaft, making it a crucial component for the optimal functioning of an internal combustion engine.

Buying a GM 55490520 crankshaft upper bearing involves considering several pros and cons to help you make an informed decision. Here are some potential advantages and disadvantages:

1. OEM Part: This GM part is an original equipment manufacturer (OEM) part, which means it is designed, manufactured, and warrantied by General Motors. This can ensure a proper fit and function in your vehicle.

2. Quality: As an OEM part, the GM 55490520 crankshaft upper bearing is engineered to meet the same strict quality standards as the parts used in new GM vehicles.

3. Durability: The bearing is designed to provide long-lasting performance, reducing the need for frequent replacements.

4. Availability: This part is readily available at most auto parts stores and from online retailers, making it easy to find and purchase.

1. Cost: OEM parts, including the GM 55490520 crankshaft upper bearing, can be more expensive than aftermarket alternatives.

2. Installation: Installing the bearing yourself can be a complex and time-consuming process that requires specialized tools and knowledge.

3. Labor Costs: If you choose to have the bearing installed by a professional mechanic, labor costs can add to the overall expense.

The decision to buy the GM 55490520 crankshaft upper bearing depends on your priorities. If you value the peace of mind that comes with using an OEM part, and you have the budget for it, this could be the best choice. Alternatively, if you're looking to save money, you may want to consider aftermarket alternatives. Keep in mind that the installation process can be complex and time-consuming, so you may also need to factor in the cost of professional labor.

If you have the budget and prefer the peace of mind that comes with using an OEM part, the GM 55490520 crankshaft upper bearing is a solid choice. However, if you're looking to save money, you may want to explore aftermarket alternatives while being aware that they may not offer the same level of OEM quality and warranty. Ultimately, your decision should be based on your budget, preference for OEM parts, and the level of complexity you're willing to undertake for the installation process.

Details:

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

part #: 55490520 prices

• $7.50-$33.37

specifications engibearing:

• for years: 2021-2023
• brand: Gm
• part type: Bearing Crankshaft
• manufacturer part number: 55490520
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Cadillac
• year: 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

payments engibearing:

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

offer engibearing:

• started: November 8, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 4

shipping engibearing:

• type: Fixed
• cost: $0.00
• class: Standard
• transit: 6-12 Days
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx

seller engibearing:

• # reviews: 22598
• rating: 97.9%
• city: Garland, Texas

general engibearing:

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

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