Archoil AR9100 (1 Gallon) Friction Modifier – Treats up to 128 quarts of engine oil


Archoil’s AR9100 oil additive is suitable for use in all diesel and gasoline engines (including Cummins, Duramax and Power Stroke).

AR9100 forms a solid boundary lubricating film that improves performance and protects engines, gearboxes and hydraulic systems.

AR9100 eliminates hard/cold start issues caused by HEUI injector misfires in 6.0L & 7.3L Power Strokes.


• Increases power and response

• Reduces friction and provides anti-wear, extreme pressure and anti-corrosion protection

• Reduces engine noise and vibration

• Protects engine during cold starts

• Cleans and prevents sludge/varnish deposits

• Extends oil drain intervals

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  • 1 Gallon of AR9100 Friction Modifier
  • For engines, gearboxes, hydraulics, differentials and power steering systems.
  • Fixes 6.0 & 7.3L PowerStroke Cold Start Injector Problems.
  • Add to any vehicle, gasoline or diesel.