Top Heavy Duty Synthetic Engine Oil Reviews

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Single Pack)

  • Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow.
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs.
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils).
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation).
  • Increased shear stability for better viscosity control and optimal engine oil pressure.
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MaximaHiflofiltro VTTOCK24 Complete Engine Oil Change Kit for V-Twin Synthetic Blend Harley Davidson Twin Cam 6 Quart

  • Fits: Harley Davidson All Twin Cam Motorcycles (Electra Glide/Ultra, Street Glide, Road King, Softail, Dyna FLH/FLT/FXD/FXST/FLST) 2000-2015.
  • The V-Twin Complete Engine Oil Change Kit includes 4 Quarts of Maxima V-Twin Synthetic Blend 20w50 Engine Oil, 1 Quart (32 oz. ) Maxima V-Twin Primary....
  • Maxima's V-Twin Synthetic Blend is a blend of ester-based synthetic and petroleum base stocks featuring a special high temperature formula to protect....
  • Maxima V-Twin Heavy-Duty Transmission & Gear Oil is a high-quality, mineral based motorcycle gear oil, the Primary Fluid is a high-quality, mineral....
  • Hiflofiltro RC Oil Filters are made using the worlds highest quality materials, with test results proving a 28% longer service life than OE and....
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Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil 1-Gallon Case of 3

  • Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves....
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs.
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils).
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to....
  • Increased shear stability for better viscosity control and optimal engine oil pressure.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select BMW Motorcycles, KN-160

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Kawasaki Vehicles, KN-401

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Yamaha Vehicles, KN-142

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select BMW Motorcycles, KN-164

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Yamaha Motorcycles, KN-140

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Yamaha Vehicles, KN-143

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Honda Vehicles, KN-111

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Suzuki Vehicles, KN-136

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Yamaha Vehicles, KN-144

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Suzuki Motorcycles, KN-138

  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine.
  • PROTECT YOUR ENGINE:  Synthetic-blend filtration media removes most harmful contaminants.
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength.
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils.
  • EASY TO REMOVE: Fast and easy Wrench-Off removal.
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty.
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