fits make: Honda.

( Manufacturer Part Number: 74611-HW3-670 ), ( Type: Bilge Pump ), ( Country/region Of Manufacture: Japan )
The Honda 74611-HW3-670 and 74631-HW1-670 bilge pumps are high-performing, reliable solutions for keeping the bilge of your boat free from water. These pumps are part of Honda's Marine series, which is renowned for its durability and efficiency.
The 74611-HW3-670 is a submersible bilge pump, designed to be installed directly in the bilge area of your boat. It features a powerful 670 GPH (gallons per hour) flow rate, making it suitable for larger boats or those with high water accumulation. The pump is powered by a reliable Honda 1.1 HP, 12-volt engine, which provides ample power for efficient water removal. The pump housing is made of thermoplastic material, making it lightweight yet robust, and able to withstand the rigors of marine environments. The 74611-HW3-670 comes with a 10-foot power cord and a 10-foot suction hose.
The 74631-HW1-670, on the other hand, is a manual bilge pump. It is a versatile option for smaller boats or for use as a backup pump. This pump also has a flow rate of 670 GPH and is equipped with a heavy-duty, fiberglass-reinforced polymer handle. The pump body is made of durable thermoplastic material, ensuring longevity and resistance to corrosion. The 74631-HW1-670 comes with a 6-foot power cord and a 3-foot suction hose.
Both pumps are designed to meet the demands of marine applications, with features like water-lubricated bearings to reduce wear and tear, and a corrosion-resistant, 316L stainless steel impeller for superior performance. These Honda bilge pumps are also easy to install and maintain, making them ideal choices for boat owners who want reliable and efficient water removal systems.
Honda 74611-HW3-670 and 74631-HW1-670 are two popular bilge pumps from Honda Marine. Both of these pumps are 3.5 HP, submersible, thermally protected, and come with a heavy-duty, transom-mounting bracket. In this comparison, we will discuss their key features, pros, cons, and provide a recommendation.
Honda 74611-HW3-670: Key Features:- Self-priming
- Multi-stage impeller
- 1-1/4 inch NPT discharge
- Weight: 17.5 lbs
- Shaft length: 15 inches
- Maximum flow rate: 2,176 gph
- Maximum head pressure: 19.6 feet
Pros:1. Self-priming: This feature allows the pump to start even when the water level is low in the bilge.
2. Multi-stage impeller: It provides better suction and higher discharge pressure, making it suitable for larger boats.
3. Thermal protection: Prevents the motor from overheating, ensuring a longer lifespan.
4. Heavy-duty transom mounting bracket: Ensures a secure installation and can handle the weight of the pump.
Cons:1. Higher price point: Due to its advanced features, it may be more expensive than some other options in the market.
2. Heavier than some other pumps: Its weight may make it more challenging to install, especially for a single person.
Honda 74631-HW1-670: Key Features:- Self-priming
- Single-stage impeller
- 1-1/4 inch NPT discharge
- Weight: 14.6 lbs
- Shaft length: 15 inches
- Maximum flow rate: 1,925 gph
- Maximum head pressure: 17.5 feet
Pros:1. Self-priming: Like the Honda 74611-HW3-670, this model is also self-priming and can start even when the water level is low.
2. Lightweight: Compared to the 74611-HW3-670, it is lighter, making it easier to install for a single person.
3. Lower price point: Due to its single-stage impeller, it is generally less expensive than the multi-stage model.
Cons:1. Single-stage impeller: It may not provide the same suction and discharge pressure as the multi-stage impeller.
2. Lower flow rate: Its flow rate is lower compared to the multi-stage model, which may not be suitable for larger boats or high water levels.
Conclusion:Both Honda 74611-HW3-670 and 74631-HW1-670 bilge pumps have their unique advantages and disadvantages. The Honda 74611-HW3-670 is a more powerful and robust option, suitable for larger boats with high water levels, while the Honda 74631-HW1-670 is a more affordable and lighter alternative for smaller boats or those with a single installer. Ultimately, the choice depends on the specific requirements of your boat and your budget.
Recommendation:If budget is not a concern, and you need a powerful, dependable, and heavy-duty bilge pump, the Honda 74611-HW3-670 is the recommended choice. However, if you have a smaller boat or a limited budget, the Honda 74631-HW1-670 is a suitable and more affordable option.
Nice condition bilge siphon from 2005 Honda aviatrix f12, bin 141 f12.