1. Engine Bearings Parts
  2. sku: 8086851246000604
  3. GM 12666008

GM GENUINE PARTS 12666008 Lower Crankshaft Bearing

fits year: 2020–2023.

12666008 Gm Genuine Parts Crankshaft Lower Bearing

( Brand: Gm Genuine Parts ), ( Part Type: Bearing Crankshaft ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Buick ), ( Year: 2020 2021 2022 2023 ), ( Parts Included: Only Part Reference 34 On The Diagram Is Included ), ( Manufacturer Part Number: 12666008 )

Review GM GENUINE PARTS Crankshaft Lower Bearing fits 2020–2023

GM 12666008 Crankshaft Lower Bearing

The GM 12666008 Crankshaft Lower Bearing is a crucial component in the engine's powertrain system designed for select applications of General Motors vehicles. This component is responsible for supporting the crankshaft's weight and distributing the engine's power to the transmission.

The bearing itself is made of high-quality steel and features a precision-machined inner and outer surface to ensure a snug fit and optimal performance. The surface is also treated with a protective coating to reduce friction, minimize wear, and provide enhanced durability. The bearing comes with an integrated seal that prevents oil leakage and maintains the necessary lubrication for the bearing to function efficiently.

The GM 12666008 Crankshaft Lower Bearing is engineered to meet the stringent requirements and specifications set by General Motors. It undergoes rigorous testing and quality inspections to ensure it meets the highest standards for performance, reliability, and safety. The bearing is designed to provide a long lifespan and require minimal maintenance.

Installing the GM 12666008 Crankshaft Lower Bearing involves removing the old bearing and installing the new one in its place. It is recommended that this procedure be performed by a professional mechanic to ensure proper installation and prevent any potential damage to the engine.

In summary, the GM 12666008 Crankshaft Lower Bearing is a vital engine component that plays a significant role in the efficient operation of your vehicle. It is made from high-quality materials, features a precision machined surface, and comes with an integrated seal to ensure optimal performance and durability. Proper installation is crucial for ensuring the longevity and reliability of your engine.

Buying a GM 12666008 crankshaft lower bearing involves considering its potential advantages and disadvantages for your vehicle's engine repair. Here's a brief analysis:

Advantages:

1. OEM Part: This crankshaft lower bearing is an Original Equipment Manufacturer (OEM) part, which means it's a factory-original replacement. It's designed to fit and function optimally in your specific GM engine.

2. Quality: OEM parts are generally high-quality components that meet or exceed the original factory specifications. They ensure proper engine function, reliability, and longevity.

3. Warranty: OEM parts often come with warranties that cover defects in materials or workmanship. This can provide peace of mind and potentially save you from future repair costs.

Disadvantages:

1. Cost: OEM parts can be more expensive than aftermarket alternatives due to their higher quality and brand reputation. However, the cost can be offset by the potential benefits of using a genuine OEM part.

2. Availability: Depending on the specific model and year of your GM vehicle, the OEM crankshaft lower bearing might not be readily available at local auto parts stores. You may need to order it online or through your dealership, which could take additional time.

Conclusion:

Deciding to buy a GM 12666008 crankshaft lower bearing involves weighing the advantages (higher quality, OEM fit, potential warranty) against the disadvantages (higher cost, potential availability issues). If you prioritize the peace of mind that comes with using an OEM part and the assurance of a proper fit and function, then investing in this bearing may be the best choice for your GM engine repair. However, if cost is a significant concern and you're confident in the quality of a reputable aftermarket alternative, then exploring that option might be worthwhile.

Recommendation:

If your budget allows and you want to ensure the best possible fit, function, and reliability for your GM engine repair, consider purchasing the GM 12666008 crankshaft lower bearing as an OEM replacement. If cost is a concern, research and carefully evaluate reputable aftermarket alternatives to determine if they meet your requirements for quality, fit, and warranty coverage.

Details:

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

part #: 12666008 prices

  • $22.23-$22.34

specifications engibearing:

  • for years: 2020-2023
  • brand: Gm Genuine Parts
  • part type: Bearing Crankshaft
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Buick
  • year: 2020 2021 2022 2023
  • parts included: Only Part Reference 34 On The Diagram Is Included
  • manufacturer part number: 12666008

general engibearing:

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

shipping engibearing:

  • class: Standard
  • service: FedEx Ground or FedEx Home Delivery
  • type: Fixed
  • carrier: FedEx
  • transit: 11-16 Days
  • cost: $0.00

returns engibearing:

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

payments engibearing:

  • credit card: Discover
  • other
  • wallet: Paypal

offer engibearing:

  • sold: 0
  • options: Ship-to-home
  • started: June 26, 2025
  • quantity: 4
  • availability: In Stock

seller engibearing:

  • rating: 96.0%
  • city: Garland, Texas
  • # reviews: 19363
for years: 2020-2023, part type: bearing crankshaft, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, year: 2020 2021 2022 2023, parts included: only part reference 34 on the diagram is included,
manufacturer: buick, category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 8086851246000604,

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2 offers $22.23–$22.34 USD
  • New. Offer #1 priced at $22.23 + $0.00 delivery = $22.23* total. Changed My Mind. Function: Supports the crankshaft and provides a bearing surface for rotation while maintaining oil film integrity.FREE SHIPPING
  • New. Offer #2 priced at $22.34 + $0.00 delivery = $22.34* total. FREE SHIPPING

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