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  3. GM 3899660BM

GM 3899660BM Cast Crank Pulley Bm General L88

fits model: 396, 427, 454, Corvette. year: 1967–1969.

3899660bm General Motors 66 67 68 1967 1968 1969 Corvette 396 427 454 Cast Crank Pulley Gm 3899660 Bm L88

( Brand: Gm ), ( Manufacturer Part Number: 3899660BM ), ( Type: Crank Pulley ), ( Country Of Origin: United States )

Review GM General Motors Cast Crank Pulley 3899660 Bm L88 fits CORVETTE 396 427 454 1967–1969

Introducing the 3899660BM Cast Crank Pulley, an essential component for the iconic 1967, 1968, and 1969 Chevrolet Corvette engines with the powerful 396, 427, and 454 cubic inch L88 V8 designs. This pulley, manufactured by GM, is meticulously crafted from cast material to ensure superior durability and reliability for high-performance applications.

The 3899660BM Cast Crank Pulley is engineered to fit perfectly with the Corvette's unique engine configurations of these specific years. Its primary function is to drive the water pump, alternator, and power steering system using the crankshaft's rotational force. This pulley is an essential component for the proper functioning of these systems and the overall performance of your Corvette engine.

This pulley boasts a sleek, streamlined design that complements the engine bay of your classic Corvette. Its cast construction ensures a robust and durable build, allowing it to withstand the demands of high-performance driving. The 3899660BM Cast Crank Pulley is also a direct replacement for the original part, ensuring an easy and straightforward installation process.

By upgrading your Corvette with this high-quality cast crank pulley, you'll not only enhance the reliability and functionality of your engine but also contribute to its visual appeal. This pulley is an excellent investment for any Corvette enthusiast looking to restore their classic vehicle or enhance its performance capabilities.

In summary, the 3899660BM Cast Crank Pulley is a must-have upgrade for any 1967, 1968, or 1969 Chevrolet Corvette with a 396, 427, or 454 cubic inch L88 V8 engine. Its cast construction ensures durability, its sleek design enhances the engine bay, and its direct replacement status simplifies the installation process. Restore your Corvette's performance and visual appeal with this essential engine component.

Buying a 1967-1969 Corvette with a 396, 427, or 454 engine and a cast crank pulley (GM part number 3899660 BM L88) can be an exciting experience for classic car enthusiasts. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Power: These engines offer significant power and torque, making for an exhilarating driving experience.

2. Collectibility: Late 1960s Corvettes with big-block engines are highly sought after by collectors.

3. Customizability: The cast crank pulley allows for easier upgrades and modifications to the engine.

4. Originality: A factory-correct cast crank pulley can add to the authenticity of a restoration project.

5. Performance: The larger engines provide improved acceleration and top speed compared to smaller engines.

Cons:

1. Cost: These engines and their associated parts are more expensive than smaller engines.

2. Complexity: Big-block engines require more maintenance and are more complex than smaller engines.

3. Fuel economy: The larger engines consume more fuel, which can lead to higher operating costs.

4. Weight: The larger engines add weight to the vehicle, which can negatively impact handling and fuel efficiency.

5. Availability: Finding a Corvette with a desirable engine and the correct cast crank pulley in good condition can be challenging.

Conclusion:

Buying a 1967-1969 Corvette with a 396, 427, or 454 engine and a cast crank pulley can provide an exciting driving experience and increase the collectibility of the vehicle. However, these engines come with higher costs, increased complexity, and potential compromises in fuel economy and handling.

Recommendation:

If you are set on purchasing a late 1960s Corvette with a big-block engine and a cast crank pulley, it is essential to do thorough research and carefully inspect the vehicle before making a purchase. Consider your budget, maintenance abilities, and desired driving experience to ensure that this is the right choice for you. Alternatively, you could consider restoring or upgrading a less expensive Corvette with a smaller engine to achieve a similar power output while mitigating some of the drawbacks. Ultimately, the decision should be based on your personal preferences, budget, and long-term goals as a car enthusiast.

Details:

This is an original 1966-1969 Corvette Hi Pref cast iron deep groove crankshaft pulley. This is GM part# 3899660 BM. Nice original pulley for your early Hi-Performance Big Block 427.

part #: 3899660bm prices

  • $175.00-$229.00

specifications pulleyhop:

  • for models: 396, 427, 454, Corvette
  • for years: 1967-1969
  • brand: Gm
  • mpn: 3899660bm
  • type: Crank Pulley
  • country of origin: United States

returns pulleyhop:

  • policy: No Returns

shipping pulleyhop:

  • transit: 3-5 Days
  • cost: $15.00
  • type: Fixed
  • service: Standard
  • class: Standard

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  • other
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general pulleyhop:

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

offer pulleyhop:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: June 7, 2026
  • quantity: 1

seller pulleyhop:

  • city: Leo, Indiana
  • # reviews: 4819
  • rating: 99.6%
for models: 396, 427, 454, corvette, for years: 1967-1969, type: crank pulley, country of origin: united states,
category: auto parts > car truck parts accessories > accessory belts > pulleys, sku: 8951631740268632,

Gm 3899660BM Is Similar To:

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4 offers $175.00–$229.00 USD
  • Offer #1: $175.00 price + $15.00 shipping estimate = $190.00* total. Nice original pulley for your early Hi-Performance Big Block 427. This is an original 1966-1969 Corvette Hi- Perf cast iron deep groove crankshaft pulley.+$15.00 shipping
  • Offer #2: $224.88 price + $18.40 shipping estimate = $243.28* total. This looks to be a hard to find unmolested pulley, see the photos and check at your end that this will work for your application. GM Original 1966 1967 1968 396-427 Corvette Hi-Perf Deep Groove crankshaft pulley.+$18.40 shipping
  • Offer #3: $229.00 price + $19.50 shipping estimate = $248.50* total.+$19.50 shipping
  • Offer #4: $249.99 price + $14.50 shipping estimate = $264.49* total. Please look at the pics. Here's a nice used original GM deep groove crank pulley.+$14.50 shipping

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