Heavy-Duty 4-Cycle Engine Oil

Heavy-Duty 4-Cycle Engine Oil, SAE 40, Gallon from PENNZOIL
Heavy-duty, 4-stroke marine oil protects engine, even under severe conditions Provides outstanding protection for diesel and four-cycle inboard/outboard gasoline engines in marine environments. High viscosity and film strength provide protection in high speed/high load applications. Helps reduce corrosive wear. Meets or exceeds major manufacturers' warranty requirements and API service CI-4/SL (15W-40 only), CF-4, CF-2, CF/SJ. Exceeds Original Equipment Manufacturer’s warranty.
$16.99 $16.99

Heavy-Duty 4-Cycle Engine Oil, SAE 15W-40, Gallon from PENNZOIL
Heavy-duty, 4-stroke marine oil protects engine, even under severe conditions Provides outstanding protection for diesel and four-cycle inboard/outboard gasoline engines in marine environments. High viscosity and film strength provide protection in high speed/high load applications. Helps reduce corrosive wear. Meets or exceeds major manufacturers' warranty requirements and API service CI-4/SL (15W-40 only), CF-4, CF-2, CF/SJ. Exceeds Original Equipment Manufacturer’s warranty.
$16.99 $16.99

Synthetic Blend 4-Cycle Engine Oil, Gallon from QUICKSILVER
Recommended for gasoline and diesel-powered stern-drive and inboard engines that require FC-W Certified, SAE 25W-40 oil.
$24.99

Synthetic Blend 4-Cycle Engine Oil, Quart from QUICKSILVER
Recommended for gasoline and diesel-powered stern-drive and inboard engines that require FC-W Certified, SAE 25W-40 oil.
$6.79

Full Synthetic Marine Engine Oil - SAE 30 - 5 Quarts from SIERRA
Full Synthetic Marine Engine Oil SAE 30 .
$37.99

Full Synthetic Marine Engine Oil - SAE 30 - 1 Quart from SIERRA
Full Synthetic Marine Engine Oil SAE 30 .
$8.29

Premium Engine Oil - SAE 30, gallon from WEST MARINE
Exceeds OEM requirements— will not void engine warranty. Recommended for engines requiring API CF-2 level performance. Exceeds warranty requirements for all diesel and gasoline engines specifying SAE 30 or SAE 40 grade and API service classifications including Caterpillar, Cummins, Detroit Diesel, Mack, Navistar, Volvo and Mann. Heavy-duty formulation minimizes engine wear to provide long engine life. Exceeds Mack EO-K/2 and Allison C4 specifications and CID A-A-52306A requirements .
$14.99 $12.74

Premium Engine Oil - SAE 30, quart from WEST MARINE
Exceeds OEM requirements— will not void engine warranty. Recommended for engines requiring API CF-2 level performance. Exceeds warranty requirements for all diesel and gasoline engines specifying SAE 30 or SAE 40 grade and API service classifications including Caterpillar, Cummins, Detroit Diesel, Mack, Navistar, Volvo and Mann. Heavy-duty formulation minimizes engine wear to provide long engine life. Exceeds Mack EO-K/2 and Allison C4 specifications and CID A-A-52306A requirements .
$3.99 $3.39

Premium Engine Oil - SAE 40, gallon from WEST MARINE
Exceeds OEM requirements— will not void engine warranty. Recommended for engines requiring API CF-2 level performance. Exceeds warranty requirements for all diesel and gasoline engines specifying SAE 30 or SAE 40 grade and API service classifications including Caterpillar, Cummins, Detroit Diesel, Mack, Navistar, Volvo and Mann. Heavy-duty formulation minimizes engine wear to provide long engine life. Exceeds Mack EO-K/2 and Allison C4 specifications and CID A-A-52306A requirements .
$14.99 $12.74

Rejuvenate 2-Cycle Engine Oil, Gallon from MERCURY MARINE
Rejuvenate is unlike anything on the market today. It rolls back the clock on engines by quickly removing performance robbing carbon deposits while stabilizing fuel. Powerful detergents remove carbon deposits on piston skirt, crowns and under crowns, power valves, cylinder intake, exhaust and heads. For air-cooled or water-cooled 2-cycle engines with premixed fuel or oil injection systems.
$49.99

Rejuvenate 2-Cycle Engine Oil, Pint from MERCURY MARINE
Rejuvenate is unlike anything on the market today. It rolls back the clock on engines by quickly removing performance robbing carbon deposits while stabilizing fuel. Powerful detergents remove carbon deposits on piston skirt, crowns and under crowns, power valves, cylinder intake, exhaust and heads. For air-cooled or water-cooled 2-cycle engines with premixed fuel or oil injection systems.
$7.99