MORAINE 6257147 Nos Gm Engine Bearing

( Brand: Moraine ), ( Type: Engine Main Bearing Set ), ( Manufacturer Part Number: 6257147 ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Placement On Vehicle: Engine Crankshaft Main )

Review MORAINE Nos Gm Engine Bearing #6257147 fits 1955–1957

The Moraine 6257147 NOS (New Old Stock) GM Engine Bearing is a replacement part designed for specific GM engines. This bearing is engineered to provide reliable and durable performance, ensuring smooth engine operation.

The Moraine 6257147 NOS GM Engine Bearing is made from high-quality materials, including steel and brass, which are known for their strength and durability. The bearing features a precision-machined surface to ensure a perfect fit and minimal friction, resulting in reduced engine wear and improved performance.

This bearing is designed to fit in the crankshaft journal and is part of the engine's bearing assembly. It is essential for reducing the friction between the moving parts of the engine and for distributing the loads evenly. The Moraine 6257147 NOS GM Engine Bearing is suitable for use in various GM engines and is an excellent choice for engine rebuilds, repairs, or as a preventative maintenance replacement.

The Moraine 6257147 NOS GM Engine Bearing comes packaged in a protective container to ensure it arrives in excellent condition. The bearing is accompanied by detailed installation instructions, making the replacement process straightforward and hassle-free.

In conclusion, the Moraine 6257147 NOS GM Engine Bearing is a top-quality replacement part designed to deliver reliable and durable performance in various GM engines. Its precision-machined surface, high-quality materials, and easy installation make it an excellent choice for engine rebuilds, repairs, or as a preventative maintenance replacement.

Buying the Moraine 6257147 NOS GM engine bearing comes with both advantages and disadvantages. Let's examine each in detail to help you make an informed decision.

1. OEM Quality: This bearing is a genuine OEM (Original Equipment Manufacturer) part, which ensures that it meets the exact specifications and quality standards set by GM.

2. Reliability: As an OEM part, it is designed to provide reliable performance and durability, reducing the risk of engine failure or damage.

3. Availability: This bearing is widely available from various automotive parts retailers, both online and in physical stores, making it easy to find and purchase.

4. Compatibility: The Moraine 6257147 NOS GM engine bearing is designed specifically for use in GM engines, ensuring that it will fit correctly and function properly.

1. Cost: OEM parts, including engine bearings, can be more expensive than aftermarket alternatives. This is because they are produced by the original manufacturer and come with a higher price tag.

2. Limited Performance Upgrades: Since this bearing is an OEM part, it may not provide any performance upgrades or enhancements. If you are looking to modify your engine for increased power or efficiency, an aftermarket bearing may be a better option.

3. Longer Wait Time: Due to their higher cost and production process, OEM parts like the Moraine 6257147 NOS GM engine bearing may take longer to arrive compared to aftermarket alternatives.

The Moraine 6257147 NOS GM engine bearing is an excellent choice for those seeking reliable and durable engine performance. Its OEM quality and compatibility with GM engines make it a smart investment for those who value the peace of mind that comes with using genuine parts. However, its higher cost compared to aftermarket alternatives and lack of performance upgrades may deter some buyers. Ultimately, the decision to purchase this bearing depends on your priorities and budget.

If you are looking for reliable and durable engine performance and are willing to pay a premium for OEM quality, the Moraine 6257147 NOS GM engine bearing is an excellent choice. However, if you are on a tight budget or seeking performance upgrades, you may want to consider an aftermarket engine bearing instead. Ultimately, it's essential to weigh the advantages and disadvantages carefully before making a decision.

Details:

Please verify part number 6257147 and crankshaft size before purchasing to ensure correct fitment for your engine build. Genuine Moraine bearings are increasingly difficult to find in true NOS condition. Correct factory main bearings for early small block Chevrolet applications. They remain unused and ready for installation.

Perfect for a period correct engine rebuild where original GM internal components matter. This is an original GM Moraine main bearing set, part number 6257147, used on 1955-1957 Chevrolet V8 engines.

part #: 6257147 price

• $29.99

specifications engibearing:

• for years: 1955-1957
• brand: Moraine
• type: Engine Main Bearing Set
• manufacturer part number: 6257147
• vintage part: Yes
• country of origin: United States
• placement on vehicle: Engine Crankshaft Main

shipping engibearing:

• cost: $15.21
• service: UPS Ground, FedEx Ground / FedEx Home Delivery
• type: Calculated
• transit: 5-12 Days
• class: Standard
• carrier: UPS, FedEx

general engibearing:

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

returns engibearing:

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

payments engibearing:

• other
• wallet: Paypal
• credit card: Mastercard

offer engibearing:

• best offers: True
• started: February 28, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller engibearing:

• city: Minneapolis, Minnesota
• # reviews: 869
• rating: 99.5%

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