EASTERN INDUSTRIES 18-1590M Gm Engine Water Circulating Pump 8.1L

( Brand: Eastern Industries ), ( Manufacturer Part Number: 18-1590M ), ( Part Type: Engine Pump )

Review EASTERN INDUSTRIES Gm 8.1l Engine Water Circulating Pump fits MARINE

The Eastern 18-1590M GM 8.1L Marine Engine Water Circulating Pump is a crucial component of your marine engine cooling system. This pump is specifically designed to meet the needs of GM 8.1L marine engines, ensuring optimal engine performance and longevity.

This water circulating pump features a robust, heavy-duty design, with a cast iron housing that provides superior strength and durability. The impeller, which is responsible for circulating cool water through the engine, is made of high-quality, corrosion-resistant material to withstand the harsh marine environment.

The pump is equipped with a thermostat-controlled cooling system, which maintains an ideal engine temperature by regulating the flow of cool water. This helps prevent overheating, which can lead to costly engine damage.

The pump is also designed for easy installation, with a bolt-on design that allows for quick and straightforward mounting. The included mounting hardware and detailed instructions make it simple for even the most novice DIYers to install the pump themselves.

Additionally, the pump comes with a heavy-duty, reinforced impeller shaft and a double-sealed shaft bearing, which provide enhanced durability and help prevent leaks. The pump also includes a durable, high-temperature gasket to ensure a tight seal and prevent leaks.

The Eastern 18-1590M GM 8.1L Marine Engine Water Circulating Pump is designed to meet or exceed OEM specifications for reliability and performance. It is backed by a one-year warranty, giving you peace of mind and confidence in your purchase. Overall, this pump is an essential investment for any boat owner with a GM 8.1L marine engine, ensuring efficient cooling and optimal engine performance.

Buying an Eastern 18-1590M GM 8.1L marine engine water circulating pump involves considering its features, advantages, and potential drawbacks. Here's a detailed analysis:

1. Designed specifically for marine applications: This pump is engineered to withstand the harsh marine environment, ensuring reliable operation even in corrosive conditions.

2. High flow rate: With a flow rate of approximately 1750 GPM (gallons per minute), this pump effectively circulates cooling water through the marine engine, maintaining optimal operating temperature.

3. Durable construction: The pump housing is made of cast iron, known for its strength and resistance to corrosion. The impeller is made of bronze, which is also resistant to corrosion and provides excellent heat dissipation.

4. Easy installation: The pump comes with a pre-installed gasket and bolt pattern that matches most marine engines, making installation straightforward and quick.

5. Thermostatically controlled: The pump is thermostatically controlled, which means it automatically adjusts the water flow based on engine temperature, ensuring efficient cooling.

1. Size and weight: With a large size and weight, this pump may require additional mounting space and support, which could be a challenge for smaller boats or those with limited engine room.

2. Price: Compared to smaller water circulating pumps, the Eastern 18-1590M GM 8.1L marine engine water circulating pump is more expensive.

3. Power consumption: Given its high flow rate, this pump consumes more power than smaller pumps, which could increase fuel consumption and operating costs.

The Eastern 18-1590M GM 8.1L marine engine water circulating pump is an excellent choice for large marine engines that require efficient cooling. Its robust construction, high flow rate, and thermostatic control ensure reliable operation in harsh marine conditions. However, its large size, weight, and cost may be drawbacks for some boat owners. Considering these factors, if you have a large marine engine and the space and budget to accommodate this pump, it is an excellent investment for maintaining optimal engine performance and longevity.

If you have a large marine engine and the space, budget, and need for efficient cooling, the Eastern 18-1590M GM 8.1L marine engine water circulating pump is a solid investment. Its durable construction, high flow rate, and thermostatic control make it a reliable choice for maintaining optimal engine performance and longevity in the harsh marine environment. However, if you have a smaller engine or limited space and budget, consider a smaller water circulating pump that better suits your needs.

Details:

This water pump is designed to efficiently circulate through the Marine engine, ensuring optimal performance and preventing overheating. The GM 8.1L Marine Engine Water Circulating Pump 18-1590M is a high-quality aftermarket part produced by Eastern Industries. With its durable construction and precise engineering, this pump is a reliable component for maintaining the engines cooling system in top condition. Ideal for boat owners and mechanics looking a dependable water pump solution their GM 8.1L Marine engine.

part #: 181590m prices

• $150.00-$298.61

specifications otsterndriv:

• for models: Marine
• brand: Eastern Industries
• mpn: 18-1590m
• part type: Engine Pump

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general otsterndriv:

• condition: New
• Boat Parts > Sterndrive Motors Components > Other

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• # reviews: 266
• city: Cleveland, Tennessee
• rating: 99.3%

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• service: USPS Ground Advantage
• cost: $66.56
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• class: Standard
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offer otsterndriv:

• quantity: 1
• options: Ship-to-home
• started: March 1, 2026
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• availability: In Stock
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