1. Flywheels + Flexplates For Sale
  2. sku: 14856834257571782
  3. PONTIAC FIREBIRD

PONTIAC 409-00669 Flywheel Plate Auto Trans 3.8L

fits model: Firebird, Flex, Bonneville. make: Pontiac. year: 1981–1983.

409-00669 Pontiac Flywheel Flex Plate Auto Trans 3.8l Fits 81-83 Bonneville

( Model: FIREBIRD ), ( Part Type: Flywheel Plate Tran ), ( Genuine Oem: Yes ), ( Ipn: 409-00669 )

Review PONTIAC Flywheel Plate Auto Trans 3.8l fits FIREBIRD FLEX BONNEVILLE 1981–1983

The Pontiac 409-00669 flywheel flex plate is an essential component for automatic transmissions in select Pontiac Bonneville models from 1981 to 1983, specifically those equipped with the 3.8L engine. This high-performance flywheel flex plate is designed to provide a robust connection between the engine's crankshaft and the transmission's torque converter, ensuring optimal power transfer and smooth operation.

Crafted from a durable cast iron material, this flywheel flex plate boasts a unique design that allows for engine flexibility while maintaining the necessary rigidity for efficient power transmission. The flex plate's outer surface features multiple ribs that help to distribute engine torque evenly across the torque converter clutch, reducing the likelihood of clutch slippage and enhancing overall drivability.

The Pontiac 409-00669 flywheel flex plate also features a bolt pattern of 5x100mm, ensuring a secure fitment to the crankshaft and transmission. Its precision machined surfaces guarantee a perfect sealing interface with the flywheel and pressure plate, preventing any potential leaks in the powertrain system.

Additionally, this flywheel flex plate is engineered to meet or exceed original equipment manufacturer (OEM) specifications, ensuring a reliable and long-lasting performance. It is suitable for use in both stock and modified applications, making it an ideal choice for both daily drivers and high-performance enthusiasts.

In summary, the Pontiac 409-00669 flywheel flex plate is a crucial upgrade for automatic transmission systems in select Pontiac Bonneville models with 3.8L engines. Its robust design, even torque distribution, and precise fitment make it an essential component for optimal engine performance and reliable power transmission.

The Pontiac 409-00669 flywheel and flex plate assembly is a component often used in the 3.8L automatic transmissions found in certain Pontiac Bonneville models between 1981 and 1983. Here are some potential pros and cons when considering purchasing this part:

Pros:

1. OEM (Original Equipment Manufacturer) Replacement: This part is a direct fit for your specific vehicle and model, ensuring proper function and compatibility.

2. Reliable: A new flywheel and flex plate assembly can help resolve issues related to engine vibration, transmission slippage, or noisy operation.

3. Smooth Operation: A properly installed and functioning flywheel and flex plate assembly can help improve overall vehicle performance and driving experience.

Cons:

1. Cost: OEM parts, especially for older vehicles, can be more expensive than aftermarket alternatives.

2. Availability: Parts for older vehicles may be harder to find, especially if the vehicle is less common or production has ended.

3. Installation: Installing the new flywheel and flex plate assembly can be a complex process, requiring specialized tools and knowledge. It may be best to have a professional mechanic perform the installation to ensure proper alignment and function.

Conclusion:

The Pontiac 409-00669 flywheel and flex plate assembly can be a worthwhile investment for those looking to restore or maintain their older Pontiac Bonneville with a 3.8L automatic transmission. The OEM part offers reliable and smooth operation, but it comes at a higher cost and may be harder to find compared to aftermarket alternatives. Additionally, the installation process can be complex, making professional installation a recommended option.

Recommendation:

If you are experiencing issues with your vehicle's transmission, or if you are performing a restoration project, purchasing an OEM Pontiac 409-00669 flywheel and flex plate assembly can bring peace of mind and improve overall performance. However, be sure to weigh the cost and availability against the benefits before making your final decision. If you are unsure about the installation process, consider consulting a professional mechanic for assistance.

Details:

CAPRICE 83 AT; 6-231 3.8L, harmonic balance ID stamped 6570. BONNEVILLE 81-82 AT, RWD; 6-231 3.8L. CAMARO 81 AT; 6-231 3.8L. BONNEVILLE 83 AT, RWD; 6-231 3.8L, harmonic balance ID stamped 6570.

part #: firebird prices

  • $39.98-$56.26

specifications flwheflepla:

  • for models: Firebird, Flex, Bonneville
  • for makes: Pontiac
  • for years: 1981-1983
  • model: Firebird
  • part type: Flywheel Plate Tran
  • genuine oem: Yes
  • ipn: 409-00669

seller flwheflepla:

  • city: Greensburg, Indiana
  • rating: 99.0%
  • # reviews: 12960

shipping flwheflepla:

  • type: Fixed
  • cost: $0.00
  • class: Standard
  • service: Standard
  • transit: 3-7 Days

payments flwheflepla:

  • credit card: Discover
  • other
  • wallet: Paypal

returns flwheflepla:

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

offer flwheflepla:

  • quantity: 1
  • options: Ship-to-home
  • started: March 2, 2026
  • sold: 0
  • availability: In Stock
  • best offers: True

general flwheflepla:

  • Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates
  • condition: Used
for models: firebird, flex, bonneville, for makes: pontiac, for years: 1981-1983, part type: flywheel plate tran, genuine oem: yes,
manufacturer: pontiac, category: auto parts > car truck parts accessories > transmission drivetrain > flywheels flexplates, sku: 14856834257571782,
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5 offers $39.98–$56.26 USD
  • Used. Offer #1 priced at $56.26 + $0.00 shipping estimate = $56.26* total. CUTLASS 83 AT, RWD; 6-231 (3.8L), harmonic balancer ID stamped 6570. BONNEVILLE 83 AT, RWD; 6-231 (3.8L), harmonic balancer ID stamped 6570.FREE SHIPPING
  • Used. Offer #2 priced at $54.99 + $0.00 shipping estimate = $54.99* total. CAMARO 81 AT; 6-231 (3.8L). CAPRICE 83 AT; 6-231 (3.8L), harmonic balancer ID stamped 6570.FREE SHIPPING
  • Used. Offer #3 priced at $39.98 + $17.50 shipping estimate = $57.48* total. +$17.50 shipping
  • Used. Offer #4 priced at $39.98 + $17.50 shipping estimate = $57.48* total. +$17.50 shipping
  • Used. Offer #5 priced at $34.95 + $19.95 shipping estimate = $54.90* total. LESABRE 81-82 AT, RWD; 6-231 (3.8L) FLYWHEEL, 3.8L, AT.+$19.95 shipping

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