GM 12663477 Lower Crankshaft Bearing

( Brand: Gm ), ( Part Type: Bearing Crankshaft ), ( Manufacturer Part Number: 12663477 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2019 2020 2021 2022 2023 ), ( Parts Included: Only Part Reference 36 On The Diagram Is Included )

Review GM Genuine Crankshaft Lower Bearing fits 2019–2023

GM 12663477 Crankshaft Lower Bearing

The GM 12663477 Crankshaft Lower Bearing is a crucial component in the engine's powertrain system designed for specific applications in General Motors vehicles. This bearing is engineered to ensure a smooth and efficient operation of the crankshaft, which is a key component that converts linear motion of the pistons into rotational motion of the engine's crankshaft.

This bearing is manufactured using high-quality materials, including steel and brass, which provide exceptional strength and durability. Its outer diameter measures 116.5mm, and its inner diameter is 75mm, making it suitable for applications where a large crankshaft passes through. The bearing's thickness is 15.2mm, providing ample clearance for the crankshaft to rotate freely.

The GM 12663477 Crankshaft Lower Bearing features a self-lubricating design, utilizing a combination of brass and babbit material for the bearing surface. This allows the bearing to operate effectively without the need for constant external lubrication. The brass material provides excellent load-bearing capabilities, while the babbit material offers superior wear resistance and reduces friction, ensuring excellent performance and longevity.

This bearing's design includes a groove on the outer edge, which accommodates the engine's seal to prevent oil leakage. The groove is precision-machined to ensure a secure and snug fit, preventing any potential oil leaks that can lead to engine damage.

The GM 12663477 Crankshaft Lower Bearing is designed to meet or exceed OEM specifications, ensuring a perfect fit and optimal performance. It is recommended to replace this bearing when performing routine engine maintenance or during engine overhauls to maintain the engine's performance and longevity.

In summary, the GM 12663477 Crankshaft Lower Bearing is a vital component in the engine's powertrain system, designed to provide superior strength, durability, and efficiency. Its self-lubricating design, combined with its high-quality materials, ensures exceptional performance and long service life. This bearing is a must-have for any vehicle enthusiast or professional mechanic working on General Motors vehicles.

Buying a GM 12663477 crankshaft lower bearing involves considering its potential advantages and disadvantages for your specific situation. Here's a breakdown of each:

1. OEM Part: This is an Original Equipment Manufacturer (OEM) part, which means it is manufactured by General Motors or by a supplier approved by General Motors. Using an OEM part ensures that it meets the exact specifications and quality standards of the original equipment in your vehicle.

2. Proper Fitment: An OEM part is designed to fit perfectly in your vehicle's engine, ensuring smooth operation and minimizing the potential for further issues.

3. Warranty Coverage: Purchasing an OEM part from a reputable dealer or repair shop may offer warranty coverage, providing peace of mind and potentially saving you money in the long run.

1. Cost: OEM parts can be more expensive than aftermarket parts due to their higher manufacturing and distribution costs.

2. Availability: Depending on your location and the specific GM model and year of your vehicle, the OEM part may not be readily available at your local dealership or parts store.

3. Installation: Installing an OEM part yourself may be more challenging due to the specialized tools and expertise required.

The decision to buy a GM 12663477 crankshaft lower bearing depends on your specific circumstances. If you prioritize proper fitment, peace of mind, and warranty coverage, an OEM part may be the best choice for you, even if it comes at a higher cost. However, if you're on a tight budget or prefer the convenience of a local aftermarket part, you may want to consider that option instead.

If you value the assurance of a perfect fit, OEM quality, and potential warranty coverage, it is recommended to purchase the GM 12663477 crankshaft lower bearing from a reputable General Motors dealership or parts supplier. If cost is a concern, consider researching reputable aftermarket part manufacturers to ensure a good fit and quality. Always consult with a certified mechanic for professional advice and installation, regardless of the part source.

Details:

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

part #: 12663477 price

• $27.85

specifications engibearing:

• for years: 2019-2023
• brand: Gm
• part type: Bearing Crankshaft
• manufacturer part number: 12663477
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Chevrolet
• year: 2019 2020 2021 2022 2023
• parts included: Only Part Reference 36 On The Diagram Is Included

payments engibearing:

• credit card: Mastercard
• other
• wallet: Paypal

offer engibearing:

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

returns engibearing:

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

general engibearing:

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

seller engibearing:

• rating: 97.3%
• city: Garland, Texas
• # reviews: 21050

shipping engibearing:

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

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