XPD - Opti-Lube’s XPD is the ultimate in performance diesel fuel additives. We consider this our all-around additive that covers everything. It’s a lubricity improver, deposit control and cleaning agent, anti-gel (down to -10F ), water demulsifier and cetane improver. Excellent for year around fuel treatment to insure against poor fuel.

Summer+ - Opti-Lube’s Summer+ is the ultimate warm weather additive. Packed in this additive is a lubricity improver, deposit control and cleaning agent, cetane boost and a water demulsifier. The dosage level is great for bringing the cost per gallon down and its performance on summer fuel has proven to be superior.

Boost! – Opti-Lube’s Boost! Product was designed around the person who is looking for a large cetane boost. Be it for more power or better mileage, this product packs a punch that will help you achieve either goal. With almost all of our products, we include a lubricity additive and deposit control and cleaning agent.

Winter – Opti-Lube’s Winter additive is very straight forward in its name. its everything your diesel engine needs for winter protection. Its additive package includes a lubricity improver, deposit control and cleaning agent, anti-gel (down to -40F), water demulsifier and cetane improver all designed around winter fuel.

XL – Opti-Lube’s XL or Extreme Lubricant may be last on the list, but it’s our absolute best lubricity improver. This product was independently tested and took very poor fuel and transformed it into some of the best fuel you can buy for lubricity standards. We have the test on our website. XL contains a lubricity improver, deposit control and cleaning agent and water demulsifier package designed around improving lubrication in your fuel system.