Description
Product Overview
Mercury 25W-40 marine engine oil is engineered for high‑performance boat engines, delivering superior anti‑wear protection and long‑lasting viscosity. Formulated with advanced additives, it reduces camshaft wear by up to 35% and maintains its 25W‑40 rating under rigorous wear‑testing. The oil meets OEM specifications, weighs 7 pounds, and is packaged in an 11 × 8 × 11 in. container for easy handling.
Usage
Designed for marine applications, this oil is ideal for outboard, inboard, and sterndrive engines. Use it during routine annual oil changes or as specified in your owner’s manual to ensure optimal engine reliability and performance. 
Why Choose Us
Mercury’s reputation in marine propulsion guarantees a product that passes stringent industry tests. The oil’s viscosity stability outperforms competing brands, providing consistent lubrication even under high‑temperature conditions. Paired with a Mercury oil filter, it offers a complete protection system that prolongs engine life and reduces maintenance costs.
Key Features
- Advanced anti‑wear additives protect camshaft and bearing surfaces
- Viscosity 25W‑40 holds steady longer than standard marine oils
- Meets all Mercury OEM specifications for seamless compatibility
- Ideal for annual oil changes to maintain engine health
- Works perfectly with Mercury oil filters for full system protection
FAQ
What type of engines is this oil suitable for?
It is suitable for all Mercury‑branded marine engines, including outboard, inboard, and sterndrive models.
How often should I change the oil?
Mercury recommends changing the oil annually or according to the schedule in your engine’s owner manual.
Can I use this oil with non‑Mercury filters?
While it will work with many standard filters, using a Mercury oil filter ensures optimal filtration and protection.
Does this oil meet OEM specifications?
Yes, it meets all Mercury OEM specifications, ensuring proper fit and performance.
Is this product discontinued?
No, the Mercury 25W-40 marine engine oil is currently in production and widely available.
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