Premium Diesel Fuel

At Cole Oil, we know Premium Diesel Fuel, because we’ve been selling it since 1957 and have customers in Lomira, West Bend, Beaver Dam, Fond du Lac WI. With today’s sophisticated diesel engines, it’s critical to use a quality fuel you can trust.

Improves Fuel Economy & Power Output
Protects Against Injector Wear & Deposits
Extends Engine Life

Reduces Smoke & Emissions
Reduces Maintenance Costs
Seasonally Adjusted Treatment

Diesel Guard Supreme Plus 200
Summer Special D

  • Upgrades typical #2 diesel fuel to a high cetane quality premium diesel
  • Removes and prevents formation of injector deposits
    (including IDIDs)
  • Prevents sticky and fouled high pressure injectors
  • Reduces piston and combustion chamber deposits
  • Improves thermal and storage stability
  • Prevents sludge, oxidation, rust, and corrosion
  • Reduces smoke and exhaust emissions
  • Reduces fuel filter plugging, increasing fuel filter life
  • Improves fuel economy, performance, and power

Diesel Guard Supreme Plus 100
with Anti-gel/Deicer

  • Upgrades typical #2 diesel fuel to a high cetane quality winterized diesel
  • Significantly reduces cold filter plug point and pour point
  • Helps prevent wax settling
  • Reduces freeze point of and disperses moisture
  • Keeps injectors clean
  • Improves fuel lubricity
  • Helps prevent rust and corrosion
  • Prevents sludge and increases filter life

*Diesel Exhaust Fluid (DEF) is available for Selective Catalytic Reduction (SCR) emission system

** Bulk DEF now available **

The Propane Pre-Buy program is available now!

Available through May 15-June 15