Quicksilver 25W-40 Synthetic Blend 4-Stroke Marine Engine Oil 1 Gallon for Outboard Motors
Quicksilver 25W-40 Synthetic Marine Engine Oil, 1 Gallon
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Quicksilver 25W-40 Synthetic Marine Engine Oil, 1 Gallon

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Key item features

  • Marine Engine Use: Designed for use in 4-stroke marine engines
  • Synthetic Blend: Formulated to provide ultimate corrosion resistance and wear protection in high-rpm 4-stroke outboard motors
  • Peak Performance: Offers industry-leading strength and viscosity retention to maintain peak engine performance and reliability
  • Viscosity Rating: 25W-40 viscosity
  • Part Number: Manufacturer part number 8M0078623
  • Extensive Testing: Extensively tested to ensure impressive protection against corrosion and wear
  • Industry Standards: Exceeds all marine industry 4-stroke oil requirements including FC-W and FC-W catalyst compatible
  • Trusted Brand: Quicksilver has been a leader in delivering uncompromising engine oils, parts, and accessories to the marine industry for over 65 years
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4.6 out of 5 stars
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19 ratings8 reviews
How item rating is calculated
  1. 5 stars89% (17)
  2. 4 stars0% (0)
  3. 3 stars0% (0)
  4. 2 stars5% (1)
  5. 1 star5% (1)
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Showing 1-3 of 8 reviews

Sep 30, 2026
Reviewer name: Kathy
Sold and shipped byThe Factory Depot
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

impressed

I've been using Quicksilver 25W-40 Synthetic Marine oil for my 4-stroke Mercruiser and I'm very impressed. This is the factory-recommended oil and you can tell it's quality.

Incentivized Review
Helpful?5JVFXGO2YBSZ140585807
Sep 29, 2026
Reviewer name: Gene
Sold and shipped byTWL POWERSPORTS
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect Oil for boat

Great Product , great customer service! Item was exactly as described and was well packed! I'll buy from this seller again!

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Helpful?5JVFXGO2YBSZ140585807
Dec 31, 2025
Reviewer name: Fran
Sold and shipped byThe Factory Depot
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good Stuff!

I always use Quicksilver and am completely satisfied with there products.

Incentivized Review
Helpful?5JVFXGO2YBSZ140585807
Current price is $59.99
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  • Free Holiday returns until Jan 31

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Sold and shipped by TWL POWERSPORTS
4.554945054945055 out of 5 stars
4.6 stars out of 5, based on 182 seller reviews(4.6)
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