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  3. SIERRAMARINE 18-9440-8

SIERRAMARINE 18-9440-8 Synthetic Blend Outboard 808282201098

fits make: Mercury.

18-9440-8 Sierramarine Synthetic Blend Mercury Outboard En-

( Brand: Sierramarine ), ( Manufacturer Part Number: 18-9440-8 ), ( Use: Marine Use ), ( Engine Type: 4 Stroke ), ( Viscosity Grade: Sae 25w-40 ), ( Type: Synthetic ), ( Unit Size: 1.05 Quart ), ( Unit Quantity: Single ), ( Universality: Semi-universal ), ( Api Rating: Sl ), ( Unit Type: Bottle ), ( UPC: 808282201098 )

Review SIERRAMARINE Synthetic Blend Mercury Outboard En

The Sierramarine 18-9440-8 Synthetic Blend Mercury Outboard is an impressive powerhouse designed to deliver superior performance and reliability for your watercraft. This outboard engine is part of Mercury Marine's FourStroke series, which is renowned for its advanced technology and fuel efficiency.

The 18-9440-8 engine boasts a displacement of 1736cc and a power output of 94 horsepower, making it an excellent choice for medium-sized boats and larger inflatables. Its four-stroke design ensures a cleaner and quieter operation compared to two-stroke engines, while the synthetic blend oil system offers enhanced protection and durability.

The engine features a modern, sleek design with a compact shape and ergonomic controls that make it easy to operate. The SmartCraft Electronic Fuel Injection system ensures precise fuel delivery for optimal combustion, resulting in excellent power and torque. Additionally, the engine's Multi-Port Electronic Fuel Injection system ensures efficient fuel consumption and reduced emissions.

The 18-9440-8 engine is also equipped with Mercury Marine's advanced features, including the Digital Throttle & Shift (DTS) system, which provides smooth and responsive gear changes. The engine also comes with an integrated, two-piece, stainless steel propeller for improved performance and durability.

The engine's rigorous testing and certification processes ensure that it meets the highest industry standards for safety and performance. It is also compatible with Mercury's Joystick Piloting for Outboards (JPO) system, providing exceptional maneuverability and control.

In summary, the Sierramarine 18-9440-8 Synthetic Blend Mercury Outboard is a high-performance, fuel-efficient, and reliable engine that is perfect for medium-sized boats and larger inflatables. With its advanced technology, sleek design, and excellent power output, it is an excellent choice for boaters who demand the best from their watercraft.

The Sierra Marine 18-9440-8 Synthetic Blend Mercury Outboard is a popular choice for those seeking a reliable and efficient outboard motor. Let's examine some pros and cons to help you make an informed decision.

Pros:

1. Fuel Efficiency: The synthetic blend engine offers improved fuel economy compared to conventional fuel engines. This can save you money in the long run, especially if you use your boat frequently.

2. Durability: Mercury outboards are known for their durability and reliability. The 18-9440-8 model is no exception. It is built with high-quality materials to withstand the rigors of marine use.

3. Power: With a displacement of 183 cubic inches and a power output of 90 horsepower, this outboard motor provides plenty of power for most recreational boats.

4. Easy to Install: Mercury outboards are designed to be easy to install, making it a popular choice for DIY boat owners.

5. Flexible Mounting: The motor comes with a versatile mounting system that can be adapted to various transom configurations.

Cons:

1. Cost: The Sierra Marine 18-9440-8 Synthetic Blend Mercury Outboard is more expensive than conventional fuel engines. The cost of synthetic blend fuel can also add to the overall expense.

2. Limited Availability of Synthetic Blend Fuel: While synthetic blend fuel is becoming more widely available, it may not be as easily accessible as conventional fuel in some areas.

3. Maintenance: Synthetic blend engines require regular maintenance to ensure optimal performance. This includes changing the oil and oil filter more frequently than conventional engines.

4. Weight: At 459 pounds, this outboard motor is heavier than some other options, which can make it more difficult to transport and install.

In conclusion, the Sierra Marine 18-9440-8 Synthetic Blend Mercury Outboard offers several advantages, such as improved fuel efficiency, durability, power, and ease of installation. However, it also comes with some drawbacks, including a higher cost, limited availability of synthetic blend fuel, increased maintenance requirements, and greater weight.

If you prioritize fuel efficiency, power, and durability, and you have easy access to synthetic blend fuel, this outboard motor may be a great investment for you. On the other hand, if cost and ease of maintenance are your primary concerns, you may want to consider a conventional fuel engine. Ultimately, it's essential to weigh the pros and cons carefully and choose the outboard motor that best fits your boating needs and budget.

part # 1894408 prices

  • $11.88-$21.02

specifications wearwonka:

  • for makes: Mercury
  • brand: Sierramarine
  • manufacturer part number: 18-9440-8
  • use: Marine Use
  • engine type: 4 Stroke
  • viscosity grade: Sae 25w-40
  • type: Synthetic
  • unit size: 1.05 Quart
  • unit quantity: Single
  • universality: Semi-universal
  • api rating: Sl
  • unit type: Bottle
  • upc: 808282201098

offer wearwonka:

  • options: Ship-to-home
  • quantity: 4
  • started: February 7, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0

seller wearwonka:

  • # reviews: 2122
  • rating: 97.7%

returns wearwonka:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

payments wearwonka:

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  • credit card: Mastercard
  • wallet: Apple-pay

shipping wearwonka:

  • transit: 3-6 Days
  • cost: $0.00
  • service: Standard
  • type: Fixed
  • class: Standard

general wearwonka:

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  • condition: New
for makes: mercury, use: marine use, engine type: 4 stroke, viscosity grade: sae 25w-40, type: synthetic, unit size: 1.05 quart, unit quantity: single, universality: semi-universal, api rating: sl, unit type: bottle,
category: auto parts > car truck parts accessories > brakes brake parts > brake pad wear sensors, sku: 7304076733076721,
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2 offers $11.88–$21.02 USD
  • Offer #1: $21.02 price + free delivery = $21.02* total.FREE SHIPPING
  • Offer #2: $11.88 price + $14.99 delivery = $26.87* total. If a defect is identified after this period, it will fall under the manufacturer's warranty and should be handled directly with them.+$14.99 shipping