1. Salvage Automotive Pulleys Offers
  2. sku: 8394707676852731
  3. GM 389644

OEM GM 389644 Groove Crankshaft Pulley Ac 403 260 442

fits model: 350, 455, Cutlass. make: Oldsmobile.

389644 Oem Gm Oldsmobile 3 Groove Crankshaft Pulley 350 403 260 455 Cutlass 442 Ac

( Brand: Oem Gm ), ( Manufacturer Part Number: 389644 ), ( Type: Engine Pulleys ), ( Oe/oem Part Number: 389645 ), ( Vintage Part: Yes )

Review OEM GM Oldsmobile Groove Crankshaft Pulley 403 260 442 Ac fits CUTLASS 350 455

The GM 389644 Oldsmobile crankshaft pulley is a crucial component of the engine's cooling and accessory drive systems for Oldsmobile models with engines identified as 350, 403, 260, and 455. This pulley is specifically designed for use on Oldsmobile Cutlass and 442 vehicles.

The crankshaft pulley is responsible for driving the water pump, power steering, and air conditioning compressor. It features a unique groove design that allows for the use of a single serpentine belt to drive all of these accessories. The pulley is made of high-strength, durable materials to ensure long-lasting performance and reliability.

The pulley's outer diameter measures 7 inches, and it has 5 bolts that secure it to the crankshaft. The bolt holes are arranged in a star pattern, providing excellent balance and reducing vibration. The pulley also has a keyway that aligns with the crankshaft keyway, ensuring proper alignment and smooth operation.

The GM 389644 Oldsmobile crankshaft pulley is a direct replacement part, meaning it is an exact match to the original equipment part. It is engineered and manufactured to meet or exceed OE specifications for fit, function, and durability. Installing this pulley is a straightforward process that can be completed in a relatively short amount of time, making it a popular choice among DIY enthusiasts and professional technicians alike.

In summary, the GM 389644 Oldsmobile crankshaft pulley is an essential engine component that drives the water pump, power steering, and air conditioning compressor. It is specifically designed for use on Oldsmobile Cutlass and 442 vehicles with engines identified as 350, 403, 260, and 455. The pulley is made of high-strength materials, features a unique groove design, and is a direct replacement part that meets or exceeds OE specifications for fit, function, and durability.

The Oldsmobile Groove crankshaft pulley (GM Part Number 389644) is a crucial component in the engine's drive system. It transfers power from the crankshaft to the serpentine belt, which in turn powers various accessories such as the air conditioning compressor, power steering pump, and alternator. Let's discuss some potential pros and cons of buying this part.

Pros:

1. Availability: This is a commonly used part, and it is easily available from various retailers both online and offline.

2. Cost-effective: Compared to other options like OEM (Original Equipment Manufacturer) or aftermarket parts, this GM original part is often more affordable.

3. Quality: GM parts are known for their high quality, and this pulley is no exception. It is designed to meet or exceed the original equipment specifications.

4. Fitment: Being a genuine GM part, it is engineered to fit perfectly in your Oldsmobile 350 403 260 455 Cutlass 442 AC.

Cons:

1. No warranty: Since this is a used part, it may not come with a warranty. However, most retailers offer a return policy, so make sure to check that before making a purchase.

2. Condition: The part may have some signs of wear or damage, depending on its previous usage. Be sure to inspect it thoroughly before installing it in your vehicle.

3. Limited customization: If you're looking for a unique or customized pulley, this part may not be the best option for you.

In conclusion, buying the GM 389644 Oldsmobile Groove crankshaft pulley can be a cost-effective solution for replacing a worn-out or damaged part in your Oldsmobile Cutlass 442 AC. The high availability, perfect fitment, and GM's reputation for quality make it an attractive choice. However, the lack of a warranty and potential signs of wear or damage are factors to consider before making a purchase.

If you're comfortable with the potential cons and willing to accept the condition of the part, this GM original part could be an excellent choice for your vehicle. If you prefer a new part with a warranty, you may want to explore OEM or aftermarket options. Ultimately, the decision depends on your budget, priorities, and personal preferences.

Details:

It is 8 across and 2.25 deep. Oldsmobile 3 groove crankshaft pulley.

specifications pulleyhop:

  • for models: 350, 455, Cutlass
  • for makes: Oldsmobile
  • brand: Oem Gm
  • mpn: 389644
  • type: Engine Pulleys
  • oe/oem part number: 389645
  • vintage part: Yes

seller pulleyhop:

  • rating: 100.0%
  • city: Bradenton, Florida
  • # reviews: 1477

general pulleyhop:

  • condition: Used
  • Car Truck Parts Accessories > Accessory Belts > Pulleys

returns pulleyhop:

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

offer pulleyhop:

  • best offers: True
  • options: Ship-to-home
  • started: April 26, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0

payments pulleyhop:

  • other
  • wallet: Paypal
  • credit card: Discover

shipping pulleyhop:

  • class: Standard
  • type: Calculated
  • carrier: USPS
  • cost: $0.00
  • service: USPS Ground Advantage
  • transit: 5-11 Days
for models: 350, 455, cutlass, for makes: oldsmobile, type: engine pulleys, oe/oem part number: 389645, vintage part: yes,
category: auto parts > car truck parts accessories > accessory belts > pulleys, sku: 8394707676852731,

Oem Gm 389644 Is Similar To:

Copyright © pulleyhop.com