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Sierra 18-9551-6 10W40 FC-W 4-Cycle Outboard Synthetic Blend Oil 16 Gallon Drum

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-9551-6
13 reviews
03/14/2036 2:58 AM
Sale Price

$650.01

4 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

Sierra 18-9551-6 is a premium synthetic blend 10W40 4-cycle marine engine oil specifically formulated for outboard and inboard applications. This high-performance oil meets NMMA FC-W and API SL specifications, ensuring superior protection for marine engines operating in demanding conditions.

Key Features:

  • NMMA FC-W and API SL certified for marine 4-cycle engines
  • 10W40 viscosity grade provides excellent performance across a wide temperature range
  • Synthetic blend formula delivers enhanced engine protection and performance
  • Superior rust and corrosion protection designed for harsh marine environments
  • Suitable for all outboard and inboard engines without catalytic converters
  • 16 gallon drum for high-volume applications and fleet maintenance

This marine-grade oil provides critical protection against the unique challenges of saltwater and freshwater operation, including moisture contamination, salt corrosion, and extreme operating temperatures. The synthetic blend formulation offers improved oxidation stability and deposit control compared to conventional oils, helping extend engine life and maintain peak performance.

Products specifications

Grade

10W40

Size

16 Gallon

had the part I needed at the most competitive price and easy to find/purchase from their site.

Quick checkout, Fast shipping, and a great product.

Wicked fast shipping! 3 days from California to Key West, Florida! We are amazed by this super fast service. Part is brand new and fits perfectly! Will use you again and HIGHLY recommend you!

Good price and great to know where to find these kind of conectors

Awsome service and prices,Thanks alot

On line ordering very easy. Called before hand and customer service was great.......

The ordering experience was painless. Good price too.

hope it gets here quickly

easy

I ordered the part from Autoplicity and it arrived in time and is a great product<br>

This was my first order with Autoplicity. Not only did they have the products I wanted at the lowest price, but they offered the best service and lightning fast shipping!!!

Quick and easy. Plus a great deal can't be beat

Good so far. Will see on shipping and part. Thanks

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