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  3. SIERRA 18-71337

SIERRA INTERNATIONAL 18-71337 Gm Hose Circulation Pump Md 5.0L 5.7L V8 32-87108

fits model: Mercruiser.

32-87108 Sierra International 18-71337 Mercruiser 5.0l 5.7l V8 Gm Hose Circulation Pump Md

( Brand: Sierra International ), ( Manufacturer Part Number: 18-71337 ), ( Part Type: Hose Pump ), ( Unit Of Measurement: Ea )

Review SIERRA INTERNATIONAL 5.0l 5.7l V8 Gm Hose Circulation Pump Md fits MERCRUISER

The Sierra International 18-71337 Mercruiser Circulation Pump is an essential component for maintaining the cooling system of MerCruiser 5.0L and 5.7L V8 GM engines. This pump, specifically the MD 32-87108 model, is designed to circulate cooling fluid through the engine, ensuring optimal operating temperatures for improved performance and longevity.

The pump housing is engineered from durable, corrosion-resistant materials, ensuring it can withstand the harsh marine environment. The impeller, which is responsible for generating the fluid flow, is precision-machined to minimize turbulence and maximize efficiency. The pump's impeller is also designed to handle the high cooling demands of these powerful MerCruiser engines.

The Sierra International 18-71337 Mercruiser Circulation Pump features a robust, sealed bearing design. This design reduces the likelihood of water entering the bearing, which can cause damage and lead to costly repairs. The pump's shaft is made from hardened stainless steel, further contributing to its durability and resistance to wear.

This circulation pump is a direct replacement for the original equipment manufactured (OEM) part, ensuring a perfect fit and easy installation. It is designed to work seamlessly with your existing cooling system, ensuring efficient cooling and optimal engine performance. The pump's inlet and outlet connections are standard size and configuration, making it easy to install without the need for any modifications.

In summary, the Sierra International 18-71337 Mercruiser Circulation Pump is a high-quality, reliable replacement for your MerCruiser 5.0L and 5.7L V8 GM engines' cooling system. Its durable design, efficient impeller, and robust bearing system make it an excellent choice for ensuring your engine stays cool and performs at its best.

Pros and Cons of Buying Sierra International 18-71337 Mercruiser 5.0L 5.7L V8 GM Hose Circulation Pump 32-87108 MD

1. Pros:

a) Designed for Mercruiser 5.0L and 5.7L V8 GM engines, ensuring a perfect fit.

b) The pump is manufactured by Sierra International, a reputable brand in marine parts and accessories.

c) It is a circulation pump, which helps maintain an even temperature in the engine by circulating coolant.

d) The pump is made of high-quality materials, ensuring durability and longevity.

e) It comes with a one-year warranty, providing peace of mind and protection against manufacturing defects.

2. Cons:

a) The pump is not a universal fit for all engine models, making it suitable only for specific Mercruiser engines.

b) Installation may require some level of mechanical expertise, especially for those not familiar with marine engine systems.

c) The cost of the pump may be higher when compared to some aftermarket alternatives.

d) Replacing a circulation pump can be a time-consuming process, as it requires draining the coolant system.

Conclusion:

The Sierra International 18-71337 Mercruiser 5.0L 5.7L V8 GM Hose Circulation Pump 32-87108 MD is a high-quality, durable solution for maintaining the cooling system in specific Mercruiser engines. Its advantages include a perfect fit, reputable brand, and high-quality materials. However, its disadvantages include a limited application range, potential installation challenges, and a higher cost compared to some alternatives. Ultimately, if you own a Mercruiser engine that requires this specific pump, the benefits of a reliable, long-lasting circulation pump may outweigh the cons.

Recommendation:

If you need a circulation pump for a Mercruiser 5.0L or 5.7L V8 GM engine, the Sierra International 18-71337 Mercruiser 5.0L 5.7L V8 GM Hose Circulation Pump 32-87108 MD is a solid choice. Its high-quality materials and perfect fit ensure efficient cooling and longevity. However, be prepared for the potential challenges of installation, and consider seeking professional assistance if you are not confident in your mechanical abilities. Additionally, be aware of the cost, which may be higher than some aftermarket alternatives, but keep in mind the long-term value of a reliable, durable pump.

Details:

Unit of Measurement: EA. Below the price of item. Ask a question. Manufacturer PN: 18-71337.

Circulating Pump Hose. Condition: New. HAZARDOUS PRODUCTS HAZMAT: 1 Carriers charge extra to ship packages with products they consider hazardous, such as oils, paints, and primers. BRAND:Sierra,: - Mercruiser 5.0L 5.7L V8 GM Hose Circulation Pump 32-87108, FEATURES ATRIBUTES: For: 4.3L.

part #: 1871337 prices

  • $29.99-$35.99

specifications intengster:

  • for models: Mercruiser
  • brand: Sierra International
  • mpn: 18-71337
  • part type: Hose Pump
  • unit of measurement: Ea

offer intengster:

  • availability: In Stock
  • sold: 0
  • started: March 5, 2025
  • options: Ship-to-home
  • quantity: 6

payments intengster:

  • other
  • credit card: Visa
  • wallet: Google-pay

shipping intengster:

  • type: Calculated
  • carrier: USPS, UPS
  • service: USPS Priority Mail, UPS Ground, USPS Ground Advantage, USPS Priority Mail Express
  • transit: 5-10 Days
  • class: Expedited, Standard
  • cost: $9.84

seller intengster:

  • rating: 98.1%
  • city: Hollywood, Florida
  • # reviews: 70341

general intengster:

  • Boat Parts > Sterndrive Motors Components > Internal Engine Parts
  • condition: New

returns intengster:

  • policy: No Returns
for models: mercruiser, part type: hose pump, unit of measurement: ea,
category: boat parts > sterndrive components > internal engine parts, sku: 2024380793951603,
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