BUICK MBS2664 Bearings Nailhead 401 .020

( Part Type: Bearing ), ( Manufacturer Part Number: MBS2664 ), ( Country Of Origin: Taiwan )

Review BUICK Main Bearings 401 And Nailhead .020 Over New fits 425 1953–1966

Introducing the Buick MBS2664 Bearings, specifically designed for the Buick Nailhead engines from the model years 1953 to 1966 with part numbers 401 and 425. These bearings are an essential component of the engine's rotating assembly, ensuring smooth and reliable operation.

The Buick MBS2664 Bearings are manufactured using high-quality, heat-treated steel for increased strength and durability. The bearing shells are precision machined to ensure a perfect fit in the engine and offer excellent load-carrying capacity. The bearings feature a double-lip seal design, which effectively prevents oil leakage and keeps contaminants out of the bearing area.

The inner surface of the bearing is lined with a premium, low-friction material, such as babbitt or bronze, providing excellent wear resistance and reducing friction between the bearing and the crankshaft or connecting rod. This results in reduced engine noise, improved fuel efficiency, and increased power output.

These bearings are designed to meet or exceed OEM specifications and undergo rigorous testing to ensure that they meet the highest standards of quality and performance. They are also backed by a warranty, providing peace of mind to customers.

Installing the Buick MBS2664 Bearings is a straightforward process, and they come in sets, typically including both the crankshaft and connecting rod bearings. It is recommended to replace the bearings as a set to ensure optimal engine performance and avoid the need for future replacements.

In summary, the Buick MBS2664 Bearings are a high-quality, reliable, and durable solution for maintaining the smooth and efficient operation of your Buick Nailhead engine from the years 1953 to 1966. With their precision machining, advanced materials, and excellent sealing capabilities, these bearings offer superior performance and peace of mind.

Buick Nailhead engines, specifically those with the part number MBS2664 bearing set 401-425 for the 1953-1966 models, are known for their classic design and reliability. However, when it comes to buying new bearings for these engines, there are pros and cons to consider.

1. OEM Replacement: Buick original equipment manufacturer (OEM) bearings are designed to fit and function optimally in Buick Nailhead engines. They ensure a proper fit, maintain engine balance, and provide the expected performance and longevity.

2. Quality: OEM bearings are manufactured to meet high-quality standards. They are engineered to withstand the stresses and pressures of engine operation and are designed to last.

3. Warranty: Buick OEM bearings come with a warranty from the manufacturer, providing peace of mind and protection against potential defects or failures.

1. Cost: OEM bearings can be more expensive compared to aftermarket or rebuilt bearings. The cost difference may be significant, depending on the availability and pricing of the specific part.

2. Limited availability: OEM bearings may be less readily available from local auto parts stores, requiring buyers to purchase them from specialized dealerships or online retailers.

3. Longer wait time: Due to limited availability, buyers may experience a longer wait time for OEM bearings to be delivered, especially if they need to be ordered from a dealer or manufacturer.

When considering the purchase of Buick MBS2664 bearing set 401-425 for a Nailhead engine, it's essential to weigh the pros and cons. OEM bearings offer the benefit of a perfect fit, high quality, and a warranty. However, they can be more expensive and less readily available compared to aftermarket or rebuilt bearings. Ultimately, the decision comes down to personal preference, budget, and the urgency of the repair. If the engine is in good condition and the bearings are not causing any noticeable issues, it may be worth considering aftermarket or rebuilt bearings as a more cost-effective alternative. However, if the engine requires a complete rebuild or if performance and longevity are top priorities, investing in OEM bearings would be the recommended choice.

Details:

Retail for $299 at engine parts center. Selling for $175 plus shipping. Family member passed away and never used. New in box from builders choice sealed packaging.

part #: mbs2664 prices

• $271.04-$380.00

specifications engibearing:

• for models: 425
• for makes: Buick
• for years: 1953-1966
• part type: Bearing
• manufacturer part number: MBS2664
• country of origin: Taiwan

returns engibearing:

• policy: No Returns

offer engibearing:

• started: November 30, 2025
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

seller engibearing:

• rating: 100.0%
• # reviews: 3470
• city: Sturgis, South Dakota

shipping engibearing:

• cost: $7.96
• type: Calculated
• class: Expedited
• service: USPS Priority Mail
• transit: 4-9 Days
• carrier: USPS

payments engibearing:

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

general engibearing:

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

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