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  2. sku: 16819360291263673
  3. MERCURY 37-855211

MERCURY 37-855211 Shaft Lower Unit Gearcase

fits model: 200. make: Mercury. year: 2020.

37-855211 Mercury Oem 20 Hp Model 200 Complete Long Shaft Lower Unit Gearcase

( Manufacturer Part Number: 37-855211 ), ( Part Type: Hp Shaft Unit ), ( Stroke: 2-stroke ), ( Country/region Of Manufacture: United States ), ( California Prop 65 Warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov )

Review MERCURY Oem Hp Model Complete Long Shaft Lower Unit Gearcase fits 200 2020

Mercury 37-855211 20 HP 200 Shaft Lower Unit Gearcase

The Mercury 37-855211 20 HP 200 Shaft Lower Unit Gearcase is a superior marine propulsion component designed for robust and efficient performance. This lower unit gearcase is an integral part of Mercury's renowned outboard motor system, ensuring smooth power transfer and precise steering.

Crafted with high-grade materials, this lower unit gearcase offers exceptional durability and longevity. The gearcase housing is engineered from corrosion-resistant aluminum, while the gears inside are precision-machined for optimal performance and longevity. The 200 shaft length provides excellent maneuverability, making it ideal for various watercraft applications.

The Mercury 37-855211 20 HP 200 Shaft Lower Unit Gearcase features a robust, closed-loop cooling system that maintains optimal operating temperatures, even under heavy load. This system, combined with the high-quality, thermally-bonded seal, ensures reliable and consistent performance in a wide range of water conditions.

The lower unit also boasts a compact and streamlined design, reducing drag and enhancing fuel efficiency. The optimized gear ratio offers quick acceleration and efficient cruising speeds, while the adjustable lower unit trim allows for fine-tuning of the boat's attitude for optimal performance and handling.

In summary, the Mercury 37-855211 20 HP 200 Shaft Lower Unit Gearcase delivers robust performance, exceptional durability, and efficient propulsion for your watercraft. Whether you're cruising the open sea or navigating narrow waterways, this lower unit gearcase is the perfect choice for reliable and enjoyable boating experiences.

Analysis of Mercury 37-855211 20 HP 200 Shaft Lower Unit/Gearcase

Pros:

1. Reliable Brand: Mercury Marine is a well-known and trusted brand in the marine industry, known for their durability and performance.

2. Powerful: With a 20 HP output, this lower unit/gearcase is suitable for a variety of watercraft, providing enough power for recreational and fishing activities.

3. Shaft Length: The 200-inch shaft length is versatile and can be used with a wide range of boats.

4. Easy Maintenance: Mercury's design often includes features that make maintenance easier, such as easy-access oil drain plugs and sacrificial anodes.

Cons:

1. Price: Compared to some other lower unit/gearcase options, the Mercury 37-855211 may be more expensive.

2. Potential for Noise: Some users have reported a slightly louder operation compared to other Mercury models, but this can vary based on boat type and usage.

3. Dependence on Parts Availability: As with any brand, availability and price of replacement parts can impact the long-term cost and convenience of ownership.

Conclusion:

The Mercury 37-855211 20 HP 200 Shaft Lower Unit/Gearcase is a reliable choice for those seeking power and versatility in a lower unit. Its brand reputation and suitable shaft length make it a good option for many boats. However, potential buyers should consider the higher price and potential for noise, and keep in mind the importance of parts availability for long-term maintenance.

Recommendation:

If budget is not a major concern and you value a well-known brand along with a versatile and powerful lower unit/gearcase, the Mercury 37-855211 could be a good choice for your needs. It's always a good idea to compare prices and read reviews from multiple sources to ensure you're making an informed decision.

Details:

Mercury OEM 20 HP model 200 Complete Long Shaft Lower Unit Gearcase.

part #: 37855211 prices

  • $35.00-$60.00

specifications ouboaen:

  • for models: 200
  • for makes: Mercury
  • for years: 2020
  • mpn: 37-855211
  • part type: Hp Shaft Unit
  • stroke: 2-stroke
  • country/region of manufacture: United States
  • california prop 65 warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov

returns ouboaen:

  • policy: No Returns

offer ouboaen:

  • best offers: True
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: June 24, 2025
  • availability: In Stock

seller ouboaen:

  • # reviews: 1
  • rating: 100.0%
  • city: Sun City, Arizona

shipping ouboaen:

  • transit: 3-8 Days
  • carrier: UPS
  • class: Standard
  • type: Calculated
  • cost: $82.36
  • service: UPS Ground

general ouboaen:

  • Boat Parts > Outboard Engines Components > Complete Outboard Lower Units
  • condition: For parts or not working

payments ouboaen:

  • other
  • credit card: Discover
  • wallet: Paypal
for models: 200, for makes: mercury, for years: 2020, part type: hp shaft unit, stroke: 2-stroke, country/region of manufacture: united states, california prop 65 warning: cancer and reproductive harm www.p65warnings.ca.gov,
category: boat parts > outboard engines components > complete outboard lower units, sku: 16819360291263673,
Mercury 37-855211 Is Similar To:
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4 offers $35.00–$60.00 USD
  • Used. Offer #1 priced at $60.00 + $0.00 shipping estimate = $60.00* total. This is a good used freshwater part.FREE SHIPPING
  • Used. Offer #2 priced at $40.00 + $37.54 shipping estimate = $77.54* total. +$37.54 shipping
  • For parts or not working. Offer #3 priced at $35.00 + $65.00 shipping estimate = $100.00* total. Removed from Mariner 2t 135 HP V6.+$65.00 shipping
  • Used. Offer #4 priced at $116.54 + $12.37 shipping estimate = $128.91* total. Will work for other years and models. Nice hood.+$12.37 shipping

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