1. Used Boat Parts
  2. sku: 14200680613911723
  3. MERCRUISER 8973456N

MERCRUISER 8973456N Flywheel Gm 260 V8 1980S 5.0 5.7

fits model: 350.

8973456n Mercruiser Flywheel 260 Gm 350 V8 1980s 5.0 5.7

( Brand: Mercruiser ), ( Part Type: Flywheel ), ( Manufacturer Part Number: 8973456N )

Review MERCRUISER Flywheel 260 Gm V8 19805.0 5.7 fits 350

Mercruider 8973456N Flywheel for 1980s Mercruiser 5.0 5.7L 350 V8 Outboard Engine

Description:

The Mercruiser 8973456N is a high-performance flywheel specifically designed for use with Mercruiser's 5.0 and 5.7L 350 V8 outboard engines from the 1980s. This flywheel is a crucial component of the engine's power delivery system, and its superior quality ensures reliable and efficient engine operation.

This Mercruiser flywheel boasts a robust construction, with a weight of 260 grams. Its precise machining enables a perfect balance, minimizing vibrations and ensuring smooth engine operation. The flywheel's diameter is designed to match the engine's crankshaft, ensuring a snug fit and optimal engine performance.

The Mercruiser 8973456N flywheel is made from high-strength materials, ensuring durability and longevity. Its surface is treated with a durable, corrosion-resistant coating to protect it from the harsh marine environment. The flywheel also features a smooth, polished finish, which not only looks great but also reduces friction and wear.

Installing the Mercruiser 8973456N flywheel is a straightforward process. It comes with all the necessary hardware, including bolts and gaskets, for a hassle-free installation. The flywheel's precise machining and balanced construction make it easy to align and balance the engine, ensuring optimal performance and minimal vibrations.

In summary, the Mercruiser 8973456N flywheel is a high-quality, robust component designed for use with Mercruiser's 5.0 and 5.7L 350 V8 outboard engines from the 1980s. Its precise machining, durable construction, and corrosion-resistant coating ensure reliable and efficient engine operation, while its smooth finish reduces friction and wear. With easy installation and long-lasting performance, the Mercruiser 8973456N flywheel is an essential upgrade for any 1980s Mercruiser outboard engine.

The Mercruiser 8973456N flywheel is a component used in the 260 GM 350 V8 engines commonly found in 1980s boats. Here are some pros and cons to consider before making a purchase:

Pros:

1. Improved Engine Performance: A new flywheel can help improve the overall performance of the engine. It ensures smooth engine operation by reducing vibration and providing better power transfer from the crankshaft to the transmission.

2. Increased durability: Worn-out or damaged flywheels can cause engine damage and decreased performance. Replacing the flywheel with a new one can ensure the longevity of the engine and prevent future issues.

3. Smoother operation: A new flywheel can lead to smoother engine operation, reducing the amount of vibration and noise produced by the engine.

4. Better fuel efficiency: A new flywheel can help improve the engine's fuel efficiency, saving you money on fuel costs over time.

Cons:

1. Cost: A new Mercruiser 8973456N flywheel can be quite expensive, and the cost of labor for installation can add to the overall cost.

2. Time-consuming installation: Installing a new flywheel can be a time-consuming process that requires specialized tools and knowledge.

3. Potential for engine removal: In some cases, removing the engine to replace the flywheel may be necessary, which can add to the cost and complexity of the repair.

Conclusion:

The Mercruiser 8973456N flywheel is an essential component for the proper functioning of a 260 GM 350 V8 engine. While it can be expensive and time-consuming to replace, the benefits of improved engine performance, increased durability, smoother operation, and potentially better fuel efficiency make it a worthwhile investment for boat owners.

Recommendation:

If you are experiencing issues with your engine's performance, vibration, or noise, or if you are unsure of the condition of your current flywheel, it is recommended that you consider replacing it with a new Mercruiser 8973456N flywheel. It is essential to work with a qualified mechanic or repair shop to ensure proper installation and to minimize the cost and complexity of the repair.

Details:

I handle any and all issues immediately my warranty covers the cost of item shipping. I love to boat as much you and take this very seriously. Free of charge. Every part I sell if guaranteed to be in good working order or your money back.

Please message me with any questions. PART: FLYWHEEL, condition: Good condition READY TO USE GUARANTEED, COMPATIBILITY: Mercruiser 260 1980V8 and others, Shipping: SHIPPING IS FREE on this item!!!, All my parts come with a 90 day warranty or better. I can assist in choosing the right part or instructions for your repair.

part #: 8973456n price

  • $110.00

specifications vesselveep:

  • for models: 350
  • brand: Mercruiser
  • part type: Flywheel
  • manufacturer part number: 8973456N

shipping vesselveep:

  • type: Fixed
  • service: Standard
  • cost: $0.00
  • transit: 4-8 Days
  • class: Standard

payments vesselveep:

  • other
  • wallet: Google-pay
  • credit card: Visa

offer vesselveep:

  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: April 23, 2026
  • quantity: 1

general vesselveep:

  • condition: Used
  • Parts Accessories > Boat Parts > Other

seller vesselveep:

  • rating: 100.0%
  • city: Valparaiso, Indiana
  • # reviews: 1682

returns vesselveep:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days
for models: 350, part type: flywheel,
sku: 14200680613911723,

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1 offer $110.00 USD
  • Used. Offer #1 priced at $110.00 + $0.00 delivery = $110.00* total. I love to boat as much as you and I take this very seriously. PART: FLYWHEEL.FREE SHIPPING

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