10W30 4-Stroke Marine Engine Oil
Quicksilver’s all new 4-Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines. 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.
3 things to know:
- For use in all 4-Stroke Marine Engines – New formula 4-Stroke oils are engineering approved for use in certain marine 4-Stroke ourboard applications and exceeds all Marine industry 4-Stroke oil requirements including FC-W and FC-W Catalyst Compatible. In addition, all 10W30 & 25W40 oils are now fully FC-W Catalyst Compatible.
- Flagship engine and corrosion protection – industry leading strength and viscocity retention and ultimate corrosion and wear protection.
- The most recommended Marine Oil – Over 5 years of engineering and development by the larges marine engine manufacture in the world.
10W30 is recommended for certain operating temperatures and manual start applications.
25W40 4-Stroke Synthetic Blend Marine Engine Oil
Quicksilver outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines.
3 things to know:
- For use in all 4-Stroke marine engines – New formula 4-Stroke oils are engineering approved for all marine 4-Stroke applications, including: Outboard, Mercruiser, High Performance, Stern Drive/Inboard, and exceeds all marine industry 4-Stroke oil requirements including FC-W and FC-W Catalyst Compatible.
- Flagship engine and corrosion protection – Industry leading strength and viscocity retention and ultimate corrosion and wear protection .
- The most recommended marine oil – Over 5 years of engineering and decelopment by the largest marine engine manufacture in the world.
25W40 Synthetic Blend recommended in all Marine Engines
25W50 4-Stroke Synthetic Blend Marine Engine Oil
25W50 Synthetic Blend oil is often recommended for marine engines used in racing. High performance oil provides maximum lubrication for your marine engine.
3 things to know:
- Maintains viscocity under the most extreme operating conditions such as: Racing – operating engine at maximum output and hight temperatures and Tow Sports & Fishing- alernating between periods of high RPM’s and throttling down to low RPM’s or idle.
- Protects against varnish buildup and sludge formation
- Exceeds the rust protection requirements for NMMA certification
25W50 Syntehtic Blend recommended in Mercury Verado and all other high performance marine engines.
25W40 4-Stroke Marine Engine Oil
Quicksilver outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines. 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.
3 things to know:
- For use in all 4-Stroke marine engines – New formula 4-Stroke oils are engineering approved for all marine 4-Stroke applications, including: Outboard, Mercruiser, High Performance, Stern Drive/Inboard, and exceeds all marine industry 4-Stroke oil requirements including FC-W and FC-W Catalyst Compatible.
- Flagship engine and corrosion protection – Industry leading strength and viscocity retention and ultimate corrosion and wear protection .
- The most recommended marine oil – Over 5 years of engineering and decelopment by the largest marine engine manufacture in the world.
25W40 recommended in all Marine Engines
Oil Change Kits
Quicksilver oil change kits contain industry-leading Quicksilver 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a hightech,advanced set of anti-wear additives that provide up to 33% better camshaft wear protection and the highest levels of corrosion and oxidation protection. Designed to maintain engine reliability and performance, Quicksilver 25W-40 Marine Engine Oil has been proven to hold its viscosity ratings longer in industry wear testing than other oils on the market. Quicksilver Oil, combined with a genuine Quicksilver Oil Filter team up to provide the highest degree of protection one can get on the water.
Quicksilver’s convenient oil change kits make it easy for customers to change their oil. Each kit contains all the items needed to change oil in select Mercury FourStroke Outboards:
- 25W-40 Marine Engine Oil featuring Flagship Protection
- Oil Filter
- Drain Plug Seal
- Drip Tray (where applicable)
- Complete instructions printed right on the box
Kits available for:
- 15hp / 20hp Mercury FourStroke
- 25hp / 30hp Mercury FourStroke
- 40hp / 50hp / 60hp Mercury FourStroke
- 75hp / 90hp / 115hp Mercury FourStroke
Oil Application Chart
SAE 10W-30 Mineral |
SAE 10W-30 Synthetic |
SAE 25W-40 Mineral |
SAE 25W-40 Synthetic |
||
|---|---|---|---|---|---|
Non-SeaPro |
2.5 hp to 9.9hp |
 |
BEST | |
|
15 hp to 60 hp |
|
|
|
BEST | |
75 to 115 hp (1.7L) |
|
|
|
BEST | |
75 to 115 hp (2.1L) |
|
BEST | |
|
|
150 HP |
|
BEST | |
|
|
SeaPro |
15 hp – 115 hp |
|
|
|
BEST |
Verado |
Not Applicable | Not Applicable | |
BEST | |
3.4L V6 / 4.6L V8 Outboards |
FourStroke |
|
|
Optional | Optional |
SeaPro |
Optional* | Optional* | |
BEST | |
ProXS |
|
BEST | Optional | Optional |
*optional when temperature < 0 degrees Celsius
is okay to use