GM Groove Cast Iron Crank Shaft Pulley General L88 L89 3929697-NOS

( Brand: Gm ), ( Manufacturer Part Number: 3929697 ), ( Type: Crank Pulley ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review GM General Motors L88 L89 Groove Cast Iron Crank Shaft Pulley #3929697-nos fits CORVETTE 1967-69

1967-69 Chevrolet Corvette L88/L89 Groove Cast Iron Crankshaft Pulley (GM Original Equipment Part No. 3929697)

This is a genuine, original equipment (OE) Groove Cast Iron Crankshaft Pulley for 1967-69 Chevrolet Corvette models with L88 or L89 engines. The part number for this item is GM 3929697.

The crankshaft pulley plays a crucial role in the engine's power transmission system. It is designed to fit securely onto the front of the crankshaft and drive the serpentine belt, which in turn powers various accessories such as the alternator, power steering system, and air conditioning compressor.

This pulley is crafted from high-quality, heavy-duty cast iron. Its grooves are precisely machined to accommodate the serpentine belt, ensuring a secure and efficient power transfer. The pulley's design is specifically tailored for the L88 and L89 engines, which were renowned for their high-performance capabilities.

The OE condition of this part guarantees that it meets or exceeds the original factory specifications. Installing this genuine GM crankshaft pulley on your 1967-69 Corvette L88 or L89 engine is an excellent investment for those seeking authenticity, reliability, and optimal performance.

- Genuine GM Original Equipment Part No. 3929697

- Designed for 1967-69 Chevrolet Corvette L88 and L89 engines

- Crafted from heavy-duty cast iron

- Precisely machined grooves for serpentine belt

- Ensures secure and efficient power transfer

- Maintains authenticity and optimal performance

In summary, this 1967-69 Chevrolet Corvette L88/L89 Groove Cast Iron Crankshaft Pulley (GM Original Equipment Part No. 3929697) is an essential component for maintaining the originality, reliability, and performance of your classic Corvette engine.

Pros and Cons of Buying a GM 3929697 1967-69 Corvette L88/L89 Groove Cast Iron Crankshaft Pulley

The GM 3929697 1967-69 Corvette L88/L89 Groove Cast Iron Crankshaft Pulley is a replacement part for Corvette engines. This pulley is essential for connecting the crankshaft to the accessory drive system, including the water pump and alternator. In this article, we will discuss the pros and cons of buying this part to help you make an informed decision.

1. Authenticity: This part is a new old stock (NOS) item, meaning it is an original, unused part that was produced during the designated timeframe. This can be beneficial for restorers and collectors who prefer genuine parts for their Corvettes.

2. Durability: The groove cast iron construction of this pulley is robust and long-lasting, making it an excellent choice for high-performance applications or for those who demand reliability.

3. OEM Fitment: This pulley is a direct replacement for the original part, ensuring a perfect fit and eliminating the need for modifications or adapters.

1. Cost: Due to its rarity and desirability, the GM 3929697 1967-69 Corvette L88/L89 Groove Cast Iron Crankshaft Pulley can be quite expensive. This may not be an ideal option for those on a tight budget.

2. Availability: As a NOS item, this pulley may not be readily available from all parts suppliers or auto stores. This could lead to a longer wait time for those in need of an immediate replacement.

3. Weight: The cast iron construction of this pulley is heavier than some modern alternatives, which could potentially affect the performance of the engine or the vehicle's handling.

The GM 3929697 1967-69 Corvette L88/L89 Groove Cast Iron Crankshaft Pulley offers several advantages, such as authenticity, durability, and OEM fitment. However, it also comes with some disadvantages, including cost, availability, and weight. Ultimately, the decision to buy this part depends on your specific needs, budget, and priorities. If you value authenticity and durability and have the financial means, this pulley could be an excellent investment for your Corvette restoration or high-performance project. For those on a tighter budget or who prioritize weight savings, alternative options may be more suitable.

Details:

New old stock pulley.

part #: 3929697 prices

• $249.95-$374.95

specifications pulleyhop:

• for models: Corvette
• for years: 1967-69
• brand: Gm
• mpn: 3929697
• type: Crank Pulley
• vintage part: Yes
• country of origin: United States

shipping pulleyhop:

• type: Fixed
• carrier: USPS
• cost: $14.00
• transit: 4-10 Days
• service: USPS Ground Advantage
• class: Standard

payments pulleyhop:

• credit card: Diners-club
• other
• wallet: Google-pay

general pulleyhop:

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

seller pulleyhop:

• rating: 99.3%
• city: Derby, Kansas
• # reviews: 1454

returns pulleyhop:

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

offer pulleyhop:

• options: Ship-to-home
• started: March 28, 2026
• availability: In Stock
• sold: 0
• quantity: 1

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