GM 581446 Front Bearing Retainer P/n.

( Brand: Gm ), ( Manufacturer Part Number: 581446 ), ( Type: Bearing Retainer ), ( Oe/oem Part Number: 581446 On Part ), ( Manufacturer Warranty: N/a. ), ( Material: Steel ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Universal Fitment: No )

Review GM Chevy Truck Speed Front Bearing Retainer To P/n. Used fits SM420 1948–1961

Chevy Front Bearing Retainer (GM Part Number 581446) for 1948-1961 Sm420 Engines

The GM 581446 front bearing retainer is a crucial component in the smooth operation of your Chevy's Sm420 engine built between 1948 and 1961. This part is designed to securely hold the front crankshaft bearing in place and prevent it from coming loose during vehicle operation.

This front bearing retainer is manufactured to original equipment specifications, ensuring a perfect fit and reliable performance. It is made from high-quality materials, specifically engineered to withstand the rigors of continuous use in an automotive environment. Its robust design guarantees longevity, reducing the need for frequent replacements.

The part features a precise geometry that allows it to effectively distribute the load between the front crankshaft bearing and the engine block. This design feature significantly reduces the chances of bearing failure, ensuring your engine runs efficiently and smoothly.

Installing the GM 581446 front bearing retainer is a straightforward process. It's recommended to follow the instructions provided in your vehicle's service manual for optimal results. If you're unsure about the installation process, consider consulting a professional mechanic for assistance.

By choosing the GM 581446 front bearing retainer, you can enjoy peace of mind knowing that you've invested in a genuine, high-quality part that will keep your vintage Chevy running strong. The part is backed by the reputation of General Motors, ensuring you receive a reliable and authentic product.

Buying GM Part Number 581446 for Chevy Front Bearing Retainer (1948-1961 SM420)

The GM part number 581446 is a front bearing retainer for Chevy trucks with the engine type SM420, designed for models from 1948 to 1961. While purchasing this part may be necessary for the proper functioning of your vehicle, it's essential to consider both advantages and disadvantages before making a decision.

1. OEM part: This part is a genuine General Motors OEM (Original Equipment Manufacturer) part, ensuring a perfect fit and high-quality construction.

2. Long-lasting: A new bearing retainer can help prevent the premature failure of other components, such as the engine or transmission, providing long-term reliability.

3. Improved performance: A worn-out or damaged retainer can negatively impact your vehicle's performance. Replacing it with a new one can restore the smooth operation of your engine.

1. Cost: Original GM parts tend to be more expensive than aftermarket alternatives. Given the age of the vehicle, you should consider whether the investment in an OEM part is worthwhile.

2. Availability: Depending on your location or the specific GM dealership, this part might not be readily available. You may need to order it online or from a distant supplier, which could lead to additional shipping costs and waiting time.

3. Installation: Installing the part yourself or hiring a mechanic to do it can be a time-consuming and potentially costly process.

Purchasing a GM part number 581446 for a Chevy front bearing retainer (1948-1961 SM420) comes with benefits such as OEM quality, long-lasting performance, and improved vehicle operation. However, the high cost, potential availability issues, and installation expenses should be carefully weighed against the potential benefits before making a decision.

If you prioritize OEM quality and long-term reliability, purchasing the GM part number 581446 is a recommended choice. However, consider checking with local dealerships and aftermarket suppliers for price comparisons and availability. If the cost is prohibitive, you may want to explore alternative, high-quality aftermarket options to save on expenses while still ensuring a good fit and satisfactory performance.

Details:

GM SM420 4 speed bearing retainer as shown. P-11-12-24-13.

part #: 581446 price

• $75.00

specifications manutransmission:

• for models: Sm420
• for makes: Chevy
• for years: 1948-1961
• brand: Gm
• mpn: 581446
• type: Bearing Retainer
• oe/oem part number: 581446 On Part
• manufacturer warranty: N/a.
• material: Steel
• country/region of manufacture: United States
• vintage part: Yes
• universal fitment: No

seller manutransmission:

• rating: 99.4%
• # reviews: 4141
• city: Merlin, Oregon

payments manutransmission:

• other
• credit card: Diners-club
• wallet: Paypal

offer manutransmission:

• availability: In Stock
• sold: 0
• started: September 28, 2025
• options: Ship-to-home
• quantity: 1

shipping manutransmission:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• cost: $14.20
• transit: 4-9 Days
• class: Standard, Expedited

general manutransmission:

• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
• condition: Used

returns manutransmission:

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

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