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AUTHORIZED DEALER
Matthew & Kerry Haugen
Madison, WI & Deerfield
           CALL            (608) 239-3212

5 Ways to Save on AMSOIL!

AMSOIL offers many ways to save money on the best lubricants in the world. These savings range from Free Shipping all the way up 25% off of retail prices. Use the flow chart below to find which option works for you! 

Diesel Motor Oil FAQs

  • Why do so many people still adhere to the 3,000-mile rule?
When oil filters were introduced in the early 1920s, many vehicle manufacturers began recommending changing the motor oil every 3,000 miles. As engine and lubrication technology advanced through the later part of the century, vehicle manufacturers began recommending increasingly longer oil-change intervals.
  • Does AMSOIL offer diesel oils for equipment calling for the API CJ-4 specification?
Yes. AMSOIL Premium 5W-40 Synthetic Diesel Oil, Premium 15W-40 Synthetic Diesel Oil, OE 15W-40 Synthetic Diesel Oil and OE 10W-30 Synthetic Diesel Oil are recommended for diesel applications calling for the API CJ-4 specification.
  • Are the AMSOIL CJ-4 diesel oils OK to use in older diesel engines?
Yes. AMSOIL Premium 5W-40 Synthetic Diesel Oil, Premium 15W-40 Synthetic Diesel Oil, OE 15W-40 Synthetic Diesel Oil and OE 10W-30 Synthetic Diesel Oil are formulated with lower sulfur content to be compatible with 2007 and later high-speed, four-stroke diesel engines with exhaust after-treatment systems, and they also exceed previous diesel oil specifications. They are suitable for use in older diesel engines calling for API CI-4 Plus, CI-4, CH-4, CG-4 and CF-4 oils.

    Synthetic Diesel Oils for All Diesel Engines

    Synthetic Diesel Oils for Pre-2007 Diesel Engines