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Quicksilver 25W40 Synthetic Oil is a high-performance synthetic lubricant designed for 4-stroke marine engines, offering excellent wear protection and thermal stability. It ensures smooth engine operation under heavy loads and harsh marine conditions, extending engine life.

For the best and fastest service, please give us a call so we can assist you using your vehicle’s VIN (chassis number).

QUICKSILVER 25W40 SYNTHETIC – Synthetic Oil for 4-Stroke Marine Engines

High performance and durability for heavy-duty 4-stroke outboard motors

Quicksilver 25W40 Synthetic is a premium synthetic lubricant specially formulated for heavy-duty 4-stroke marine engines. It provides excellent wear protection, thermal stability, and resistance to harsh marine conditions, ensuring smooth and reliable engine operation with extended oil change intervals.

Certified API SN/CF and JASO MA2, it is ideal for heavy loads and high temperatures, keeping your engine clean and well-protected.

✅ Features – Benefits:

• High-performance synthetic formulation – maximum engine protection
• API SN/CF and JASO MA2 certified – compatible with 4-stroke marine engines
• Reduces wear, deposits, and thermal stress
• Ideal for heavy marine loads and continuous use
• Extended oil change intervals – cost-effective and protective
• Compatible with Mercury, Yamaha, Suzuki, Honda, Volvo Penta, and more

Trust Quicksilver 25W40 Synthetic for top performance, protection, and durability in your boat’s engine.

  • Application4T Engine Oil
  • Pack Size4 lt, 1 lt
  • TypeSynthetic
  • Viscous25w40
  • SpecificationsJASO MA2, JASO MA, API SN, API CF