Frontier engine oils are are designed for maximum performance and protection.

Featured Engine Oils Products >>

L.E. PLUS ENGINE OIL -15W40

Protects low emission diesel engines from wear and deposits
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ALL-SYN HD SYNTHETIC ENGINE OIL – 10W40

ALL-SYN is a premium quality CI-4/SL engine oil designed for all-weather operation of passenger cars and trucks. ALL-SYN is a blend of the highest quality PAO synthetic base stocks and selected additives.

ALL-SYN HD SYNTHETIC ENGINE OIL – 0W30

ALL-SYN is a premium quality CI-4/SL engine oil designed for all-weather operation of passenger cars and trucks. ALL-SYN is a blend of the highest quality PAO synthetic base stocks and selected additives.

ALL-SYN HD SYNTHETIC ENGINE OIL – 10W30

ALL-SYN is a premium quality CI-4/SL engine oil designed for all-weather operation of passenger cars and trucks. ALL-SYN is a blend of the highest quality PAO synthetic base stocks and selected additives.

ALL-SYN HD SYNTHETIC ENGINE OIL – 15W50

ALL-SYN is a premium quality CI-4/SL engine oil designed for all-weather operation of passenger cars and trucks. ALL-SYN is a blend of the highest quality PAO synthetic base stocks and selected additives.

ALL-SYN HD SYNTHETIC ENGINE OIL- 5W30

ALL-SYN is a premium quality CI-4/SL engine oil designed for all-weather operation of passenger cars and trucks. ALL-SYN is a blend of the highest quality PAO synthetic base stocks and selected additives.

L.E. PLUS ENGINE OIL -10W30

L.E. Plus Engine Oil is a premium blend of synthetic fluids and hydro-treated base oils formulated specifically to optimize performance in all diesel engines running on Ultra Low Sulfur Diesel Fuel.

L.E. PLUS ENGINE OIL -15W40

L.E. Plus Engine Oil is a premium blend of synthetic fluids and hydro-treated base oils formulated specifically to optimize performance in all diesel engines running on Ultra Low Sulfur Diesel Fuel.

V.I. PLUS N G

V.I. PLUS NG. This superior quality, low ash lubricant is blended from high viscosity index hydroprocessed group II base oils, an exclusive anti-oxidation/anti-nitration package and Frontiers exclusive extender additive package “ETX”. V.I. Plus NG is specifically designed for 4-cycle and select 2-cycle stationary engines which use natural or synthetic gas.

V.I. PLUS ENGINE OIL – SAE30WT/40WT

The ultimate in engine oil performance: V I PLUS. This 14 TBN, Mack EO-K2 super universal oil, compounded with Frontier’s exclusive extender additive package ETX, is superior to all other engine oils on the market for either gasoline or diesel engines. This exclusive formulation exceeds API SH/CF-2 performance requirements as well as all major engine manufacturers’ specifications.

V.I. PLUS NG NATURAL GAS ENGINE OIL SAE 40

The ultimate in NG engine oil performance: V I PLUS NG. This superior quality, low ash lubricant is blended from high viscosity index hydro-processed group II base oils, an exclusive anti-oxidation/anti-nitration package and Frontiers exclusive extender additive package “ETX”. V I Plus NG is specifically designed for 4-cycle and select 2-cycle stationary engines which use natural or synthetic gas. It meets the performance requirements of API CD and the catalyst compatibility requirements of Englehard.

V.I. PLUS NG NATURAL GAS ENGINE OIL SAE30

The ultimate in NG engine oil performance: V I PLUS NG. This superior quality, low ash lubricant is blended from high viscosity index hydro-processed group II base oils, an exclusive anti-oxidation/anti-nitration package and Frontiers exclusive extender additive package “ETX”. V I Plus NG is specifically designed for 4-cycle and select 2-cycle stationary engines which use natural or synthetic gas.

V.I. PLUS PREMIUM LOCOMOTIVE OIL

The ultimate in Locomotive Oil performance: VI Plus Premium Locomotive Oil #414 utilizes the latest lube oil technology compounded with Frontier’s exclusive additive package. It has high alkalinity and is zinc free. VI Plus Premium Locomotive Oil is designed specifically for diesel engines used for power generation, oil well drilling, marine and railroad industries. It also meets the Generation 4 LL and Generation S oil requirements.

V.I. PLUS SEVERE DUTY GASOLINE ENGINE OIL – 5W20

V.I. Plus 5W-20 is a premium quality SM/GF-4 engine oil designed to be more fuel efficient and less environmentally damaging. It is designed for all-weather use in passenger cars; SUV’s and light duty trucks operating on gasoline.