Keep your diesel-powered equipment running while maximizing fuel efficiency both on and off road.
Suitable for heavy-duty vehicles equipped with Selective Catalytic Reduction (SCR) technology, strong>HD EXPERT™ DEF meets ISO 22241 standard and is certified by the American Petroleum Institute (API), ensuring its purity and composition to avoid engine downtime.
Backed by our 100% Satisfaction Guaranteed, if you’re unsatisfied with the performance of this product, we will refund you with proof of purchase from an authorized seller. See full details on the Guarantee here.
Reduce the harmful NOx emissions coming from your diesel-powered vehicle while maximizing fuel efficiency with HD EXPERT™ DEF.