47-89981 MERCURY Outboard Water Pump Impeller Key Mariner

Review MERCURY Aftermarket Outboard Water Pump Impeller Key And For 4.5 7.5 9.8 Hp for MARINER

The Mercury Mariner Outboard Water Pump Impeller Key (part number 722831053870) is an essential component for maintaining the proper function of the water cooling system in Mercury Mariner outboard engines with a power output of 4.5, 7.5, or 9.8 horsepower. This impeller key is specifically designed to fit Mercury Mariner outboard engines and is an important accessory for boat owners and mechanics.

The impeller key is a small, yet crucial part of the water pump assembly. It is used to securely fasten the impeller to the water pump shaft, enabling the water pump to circulate water effectively through the engine's cooling system. The key is made from high-quality materials that can withstand the rigors of marine environments, ensuring durability and reliability.

The impeller key features a unique design with a tapered end, which allows it to easily engage with the impeller and securely fasten it to the shaft. The key also includes a retaining nut and washer, which help to ensure a secure and snug fit. The key's tapered design also makes it easy to remove when maintenance is required.

Installing the impeller key is a straightforward process. First, the old impeller must be removed from the water pump. Once the old impeller is removed, the new impeller can be installed using the impeller key. The key is simply inserted into the impeller hub and then the retaining nut is tightened to secure the impeller in place.

Maintaining the water pump and impeller is essential for the proper function and longevity of your Mercury Mariner outboard engine. Regularly checking the engine's cooling system for leaks and ensuring that the impeller is functioning properly can help prevent costly repairs and extend the life of your engine.

In summary, the Mercury Mariner Outboard Water Pump Impeller Key (part number 722831053870) is a critical component for the proper function of the water cooling system in Mercury Mariner outboard engines with a power output of 4.5, 7.5, or 9.8 horsepower. It is made from high-quality materials and is designed specifically for Mercury Mariner outboard engines. Installing the key is a straightforward process, and maintaining the water pump and impeller is essential for the longevity of your engine.

Pros and Cons of Buying a Mercury Mariner Outboard Water Pump Impeller Key (722831053870) for 4.5, 7.5, and 9.8 HP Engines

a. Original Equipment: This impeller key is a factory original part designed to fit and function optimally with Mercury Mariner outboard engines with the mentioned horsepower ratings.

b. Enhanced Performance: A new impeller key can improve the overall performance of the water pump by ensuring proper water circulation within the engine, preventing overheating and potential damage.

c. Long-Lasting: Mercury Marine parts are known for their durability and reliability, ensuring that this impeller key will serve you well for an extended period.

a. Cost: Replacing an impeller key may seem like an insignificant expense, but it can add up over time, especially if you own multiple outboard engines or require frequent replacements.

b. Availability: Depending on your location and the availability of local marine parts suppliers, you may experience delays in receiving this part, potentially causing downtime for your outboard engine.

When considering the purchase of a Mercury Mariner Outboard Water Pump Impeller Key (722831053870) for your 4.5, 7.5, or 9.8 HP engine, it's essential to weigh the benefits against the potential costs. This part is an original equipment component designed to enhance the performance and longevity of your engine, but it comes with a cost and potential availability concerns.

If your Mercury Mariner outboard engine is essential for your watercraft or livelihood, it's a wise investment to keep a spare impeller key on hand to prevent unexpected downtime. You can order this part from a trusted marine parts supplier or directly from Mercury Marine to ensure its authenticity and reliability. Additionally, consider performing regular maintenance on your engine to minimize the need for impeller key replacements.

Details:

2 engine serial number: use the serial number of your outboard or boat engine to look up correct water pump spare parts on official catalog through a dealer. Water pump impeller with key. Soxa marine dedicates itself to crafting hog-performance boat engine cooling water pump rubber impellers that power your journeys, also understand a reliable impeller isn't just spare part, its the lifeline of system. 1 check the owners manual: the manual will specify correct part number for your engine.

Impeller key 28-56655. Soxa marine: -precision boat engine water pump parts for uninterrupted journeys. Rubber impeller size information how to identify the correct water pump for your boat motor or outboard engine. From advanced polymer formulas to rigorous quality control, every soxa marine parts is engineered resist corrosion, reduce wear, and outlast, trust keep your engine running smoothly, mile after nautical.

Outboard water pump impeller key.

specifications watercraftimp:

• for models: Mariner
• brand: Mercury
• mpn: 47-89981
• part type: Hp Pump Impeller
• upc: 722831053870
• material: Cr Neoprene Rubber Impeller
• manufacturer name: Soxa Marine Parts Manufacturer Co., Ltd.
• water pump brand: Soxamarine
• part name type: Outboard Motor Water Pump Rubber Impeller Kit
• replacement oem number 1: Mercury Mariner Outboard 47-89981 89981
• replacement oem number 2: Mercury Mariner Outboard 47-89981t2 89981t
• replacement oem number 3: Mercury Mariner Outboard 47-65957 47-39074 47-89981b
• replacement oem number 4: Impeller Shaft
• replacement oem number 5: Mercury Mariner Marine Outboard Key 28-56655
• compatible with 1: Mercury Mariner 3.6 Hp 1980 To 1982 Year
• compatible with 2: Mercury Mariner 4 Hp
• compatible with 4: Mercury Mariner 4.5 Hp Year 1980 To 1985 Year
• aftermarket replacement 1: Mallory Marine 9-45035
• aftermarket replacement 2: Cef Marine 500310
• aftermarket replacement 3: West Sierra Marine 18-3039
• compatible with 5: Mercury Mariner 7.5 Hp Year 1979 To 1986 Year
• package include parts: Water Pump Impeller With Impeller Key
• compatible with 6: Mercury Mariner 9.8 Hp 1979 To 1985 Year
• material 1: Marine Grade Impeller Shaft Key
• package weight: 10g
• item package dimensions: 14 10 1.5 Cm
• aftermarket replacement 4: Glm Marine 89810

payments watercraftimp:

• wallet: google-pay
• other
• credit card: mastercard

shipping watercraftimp:

• carrier: ups
• type: fixed
• transit: 5-11 days
• service: standard, ups ground, expedited
• class: standard, expedited

returns watercraftimp:

• policy: returns accepted
• paid by: seller
• time: 30 days

seller watercraftimp:

• # reviews: 32
• rating: 100.0%
• city: hebron, kentucky

offer watercraftimp:

• prices: $10.00–$21.50
• item condition:
  • New
  • New other (see details)
• availability: in stock
• started: june 7, 2025
• sold #: 23
• options: ship-to-home
• best offers: true
• in stock #: 5

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components