18-3090 MMD Water Pump Impeller Pin Johnson Evinrude Omc

Review MMD Mm18-3090 Water Pump Impeller Pin Johnson Evinrude Omc 2/4 Hp for JOHNSON EVINRUDE OMC

The MMD 18-3090 water pump impeller pin is an essential component for the proper functioning of water pumps used in Johnson, Evinrude, and OMC outboard engines with horsepower ranging from 18 to 309. This pin is specifically designed to provide a secure connection between the impeller and the shaft, enabling the water pump to effectively circulate cooling water through the engine.

Measuring approximately 0.375 inches in diameter and 1.5 inches in length, this impeller pin is meticulously crafted from high-strength material to ensure durability and resistance to corrosion. Its smooth, polished surface facilitates easy installation and ensures a snug fit within the shaft and impeller, while its precise dimensions guarantee compatibility with the specified engine models.

Designed with a tapered shape, the MMD 18-3090 impeller pin facilitates the smooth transfer of power from the shaft to the impeller, ensuring optimal cooling efficiency. The tapered design also allows for easy installation and removal, simplifying maintenance tasks and reducing downtime.

This replacement part comes packaged individually to ensure it remains in pristine condition until it is ready for installation. Its OEM (Original Equipment Manufacturer) quality guarantees a perfect fit and reliable performance, making it an excellent choice for boat owners seeking to maintain their engines in top condition.

In summary, the MMD 18-3090 water pump impeller pin is an essential component for the proper functioning of water pumps in Johnson, Evinrude, and OMC outboard engines with horsepower ranging from 18 to 309. Its precision engineering, durability, and ease of installation make it an indispensable tool for boat owners seeking to ensure the longevity and peak performance of their engines.

Buying a MMD 18-3090 water pump impeller pin for Johnson, Evinrude, or OMC outboard motors can be a necessary investment for boat owners. Here are some pros and cons to consider before making a purchase:

1. Availability: MMD impeller pins are widely available from various marine parts retailers both online and offline, ensuring easy access for boat owners when they need a replacement.

2. Cost-effective: Compared to purchasing an entire water pump assembly, buying just the impeller pin is a more economical option, especially if the pump housing, shaft, or other components are still in good condition.

3. Quick installation: Since the impeller pin is a relatively small component, installation is typically straightforward and can be done in a short amount of time with minimal tools.

1. Wear and tear: Impeller pins are prone to wear and damage due to constant contact with water and the impeller blades. Regular inspections and timely replacement are essential to prevent potential engine damage.

2. Limited lifespan: While replacement impeller pins are affordable, they don't last forever. Depending on the usage and conditions, boat owners may need to replace the pin more frequently than they would like.

3. Potential for user error: Improper installation of the impeller pin can lead to various issues, such as leaks or engine damage. It's crucial to follow the manufacturer's instructions carefully and seek professional help if uncertain.

In conclusion, buying a MMD 18-3090 water pump impeller pin for a Johnson, Evinrude, or OMC outboard motor can be a cost-effective solution for boat owners who want to keep their engines running smoothly without investing in an entire new water pump assembly. However, it's essential to be aware of the potential cons, such as the need for regular inspections and replacements, and the importance of proper installation to avoid complications.

Recommendation: If you suspect that your water pump impeller pin needs replacement, consider purchasing a high-quality aftermarket part from a reputable marine parts supplier. Make sure to follow the installation instructions carefully and consult the manufacturer's guidelines for proper maintenance and replacement intervals. It's also a good idea to keep a spare impeller pin on hand for emergency situations.

Details:

Here is a new excellent quality aftermarket water pump impeller 387361 with an Omc drive pin 321130 for smaller Evinrude and Johnson outboards. Mailed out promptly. Standard non-weedless drive with the plastic housing setup. 2 to 6hp from the 1970s and 80s mostly.

specifications watercraftimp:

• for makes: Johnson, Evinrude, Omc
• brand: Mmd
• mpn: 18-3090
• part type: Hp Pump Impeller Pin

payments watercraftimp:

• other
• credit card: discover
• wallet: paypal

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

shipping watercraftimp:

• type: calculated
• service: usps ground advantage
• class: standard
• transit: 5-11 days
• carrier: usps

seller watercraftimp:

• rating: 100.0%
• # reviews: 4018
• city: danville, virginia

returns watercraftimp:

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

offer watercraftimp:

• in stock #: 5
• prices: $11.45–$13.90
• item condition: New
• sold #: 20
• started: april 12, 2025
• options: ship-to-home
• availability: in stock