MERCURY 28-56661 Quicksilver Impeller Drive Key

( Manufacturer Part Number: 28-56661 ), ( Part Type: Impeller Drive ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: I2 Zsc-n Buk 13 Bin 5 )

Review MERCURY Quicksilver Impeller Drive Key Oem

The **Mercury 28-56661 Quicksilver Impeller Drive Key** is a precision-engineered, high-performance replacement part designed exclusively for Mercury outboard motors, specifically tailored to the Quicksilver series. Crafted from durable, corrosion-resistant materials, this impeller drive key plays a critical role in the efficient operation of the motor s impeller system, ensuring optimal water flow and power transfer. Its robust construction features a tightly machined, interference-fit design that minimizes wear and prevents slippage, thereby maintaining consistent performance under demanding conditions. The key s smooth, streamlined profile is optimized for seamless engagement with the impeller shaft, reducing friction and enhancing overall engine efficiency. Whether installed on a recreational boat, a performance fishing vessel, or a workboat, this impeller drive key contributes to smoother operation, reduced strain on the motor s components, and extended longevity of the impeller assembly. Built to meet Mercury s stringent quality standards, it is a direct-fit replacement that restores factory-level performance, making it an essential component for anyone seeking reliable, high-output power from their Quicksilver outboard. Proper installation and regular maintenance will ensure this key continues to deliver peak performance for countless hours on the water.

**Pros and Cons of buying a Mercury 28-56661 Quicksilver Impeller Drive Key**

1. **Compatibility and Performance** This impeller drive key is specifically designed for Mercury outboard motors, ensuring a precise fit and optimal performance. It is part of the Quicksilver series, which is known for reliability and efficiency in marine applications.

2. **Durability** Mercury outboards are built to withstand harsh marine environments, and this impeller drive key is engineered to match that durability. High-quality materials and construction reduce the risk of premature wear or failure.

3. **Ease of Installation** As a direct replacement part, it should fit seamlessly into existing systems without requiring significant modifications. This makes it a straightforward upgrade or replacement option for boat owners.

4. **Improved Fuel Efficiency** A properly functioning impeller drive key helps maintain smooth engine operation, which can contribute to better fuel efficiency and reduced strain on the motor over time.

5. **Warranty and Support** Purchasing from an authorized dealer or directly from Mercury ensures access to warranty coverage and technical support, which can be valuable if issues arise.

6. **Cost-Effective Replacement** Compared to overhauling an entire drive system, replacing just the impeller drive key is a cost-effective solution for addressing specific performance or mechanical issues.

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1. **Limited Availability** Depending on the region, this part may not be readily available at all local marine supply stores. Purchasing online may be necessary, which could introduce shipping delays or additional costs.

2. **Potential Misuse Without Proper Installation** If not installed correctly, even a compatible part can lead to performance issues or damage. Boat owners without mechanical expertise may need to consult a professional, adding to the cost.

3. **Price Consideration** While it is a replacement part, the cost may still be a concern for budget-conscious buyers, especially if they are not experiencing a critical failure but rather seeking an upgrade.

4. **Compatibility Verification Required** Not all Mercury outboards may use the exact same impeller drive key. Double-checking the model and year of the motor is essential to ensure the part is the correct fit.

5. **Dependence on Original Equipment Quality** If the original part was of subpar quality or was damaged before replacement, the new impeller drive key may not resolve underlying issues, such as internal motor wear or alignment problems.

6. **Maintenance Requirements** Like all marine parts, this impeller drive key will require periodic inspection and maintenance to ensure longevity. Neglecting maintenance could lead to premature failure.

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The Mercury 28-56661 Quicksilver Impeller Drive Key is a well-engineered, reliable component for Mercury outboard motors, offering compatibility, durability, and performance benefits. It is particularly advantageous for boat owners looking to restore or enhance the functionality of their drive system without undertaking major repairs. However, its effectiveness depends on proper installation, compatibility verification, and adherence to maintenance routines.

For those experiencing impeller-related issues or seeking an upgrade, this part represents a practical and cost-effective solution. However, if the underlying motor or drive system has broader problems, addressing those issues concurrently may be necessary for long-term reliability.

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If you have confirmed that the **Mercury 28-56661 Quicksilver Impeller Drive Key** is the correct part for your motor model and you are either replacing a failed component or upgrading for better performance, purchasing it from an authorized Mercury dealer or a trusted online retailer is advisable. Ensure you follow the manufacturer s installation guidelines or consult a marine mechanic if you lack experience with outboard motor repairs.

For buyers on a tight budget or those unsure about the part s necessity, consider diagnosing the issue further to determine if other components (such as the impeller itself, drive shaft, or motor internals) may require attention. In cases of doubt, professional assessment can prevent costly mistakes and ensure the best outcome for your boat s performance.

Details:

The image to watch on YouTube. 2020 2023 Honda CRF1100L Africa Twin Calibre Coke Oven OEM 53300-MKS-E00. Ensure reliable water pump operation with this essential part. This genuine Mercury Quicksilver OEM impeller drive key, part number 28-56661, is a critical component for the water pump in many Mercury/Mariner outboards and Mercuries Alpha One drives.

Spotlight: A Day Inside . 13-17 Honda CB1100 . Fits: Fits a vast range of Mercury/Mariner outboards 2.5-275 HP and Mercuries Alpha One stern drives.

part #: 2856661 prices

• $13.29-$24.99

specifications ouboaen:

• for makes: Mercury
• mpn: 28-56661
• part type: Impeller Drive
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: I2 Zsc-n Buk 13 Bin 5

seller ouboaen:

• # reviews: 209203
• city: Odessa, Florida
• rating: 99.3%

offer ouboaen:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: February 9, 2026
• best offers: True

shipping ouboaen:

• cost: $0.00
• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• class: Standard, Expedited, One-day
• transit: 4-10 Days
• type: Fixed

general ouboaen:

• condition: New other see details
• Boat Parts > Outboard Engines Components > Cooling Systems

returns ouboaen:

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

payments ouboaen:

• wallet: Paypal
• credit card: Discover
• other

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