is this oil full synthetic

This product is a mineral based oil. “ The NEW mineral 4-Stroke oil is also now approved for use in all outboard engines; previously only our syntetic blend could make this claim” Quicksilver makes a synthetic and it states synthetic on its lable.

What's the difference between mercury oil

It is the same as Mercury oil. Quicksilver is the Mercury lubricant brand and has been for years.

How do I know if motor is 2 or 4 stroke? Basic Mercury 125 pontoon motor

Look on the engine and your book if you got one. It will tell you if 2 or 4 stroke

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25W-40 4-Stroke Marine Engine Oil for Outboards, 1 Gallon

Product ID: 18858215

Details

Brand
Quicksilver
Liquid Volume
128 fluid
Package Information
Bottle
UPC
745061915787
Vehicle Service Type
Marine

⚙️25W-40 viscosity for optimal engine flow

🛡️Superior corrosion & wear protection

🛥️Specifically engineered for 4-stroke marine engines

538.21 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛥️ Power your marine adventures with Quicksilver — where performance meets peace of mind!

TRUSTED LEGACY BRAND - Backed by 65+ years of marine industry leadership, Quicksilver guarantees quality and reliability you can count on.
OPTIMIZED HIGH RPM FLOW - Special viscosity modifiers maintain smooth lubrication at high RPMs, maximizing power and responsiveness.
ENGINEERED FOR ENDURANCE - Formulated to combat corrosion and wear, extending your marine engine’s lifespan even in harsh saltwater conditions.
INDUSTRY APPROVED EXCELLENCE - Exceeds all marine 4-stroke oil standards including FC-W and catalyst compatibility for worry-free performance.
PRECISION MARINE PERFORMANCE - Direct replacement for Mercury Marine OEM oil ensures seamless compatibility and peak engine efficiency.

Quicksilver 25W-40 4-Stroke Marine Engine Oil is a premium, OEM-approved lubricant designed specifically for 4-stroke outboard and sterndrive engines. It delivers superior corrosion resistance and wear protection, optimized viscosity for high-RPM performance, and meets all marine industry standards including FC-W. Trusted by professionals for over 65 years, this 1-gallon oil ensures your marine engine runs smoother, longer, and stronger.

Specifications

ASIN	B00N6DF8SW
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#763 in Automotive ( See Top 100 in Automotive ) #18 in Motor Oils
Brand Name	Quicksilver
Compatible with Vehicle Type	Marine Vehicles
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (2,803)
Global Trade Identification Number	00745061915527
Included Components	End Product & Information
Item Highlight	Formulated for Reliable Marine Engine Performance
Item Type Name	25W-40 Oil
Item Weight	7 pounds
Liquid Volume	128 fluid ounces
Manufacturer	Quicksilver
Manufacturer Part Number	8M0078620
Model Number	8M0078620
Number of Packs	1
Size	1 gallon
UPC	745061915787 745061915527
Unit Count	128 Fluid Ounces
Viscosity Level	Medium to High

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538.21 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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