HiTEC® 4621

Diesel Performance Additive
Aktuelle Verfügbarkeit der Region Europe, Middle East, Africa, India (EMEAI)
Um sich über die Verfügbarkeit in anderen Regionen zu erkundigen oder mehr zu erfahren, wenden Sie sich an Ihren Afton-Vertreter.

Key Performance Benefits

HiTEC® 4621 additive dramatically reduces tank filling time as well as providing excellent corrosion protection for all engine parts. The injectors
are kept clean and free from deposits and the ignition delay period is reduced, resulting in:

  • Increased fuel economy
  • Improved power and acceleration
  • Reduced emissions
  • Enhanced engine life
  • Noise reduction

Other benefits include:

  • Up to 36% improvement in lubricity performance
  • Significant reduction in tank filling time
  • Minimised forecourt spillage
  • Excellent corrosion protection
  • Improved low temperature starting


HiTEC® 4621 diesel performance additive combines Afton’s advanced detergent technology with ignition and lubricity improvement. HiTEC®
4621 additive provides a one-stop performance solution, delivering improved fuel economy and reduced emissions.

Handling Information

Max Handling Temp: Ambient temperature
Shelf Life: 18 months @ ambient temperature

Recommended Dosage

Used at the regular treat-rate, HiTEC® 4621 additive will provide both “Keep-clean” and “Clean-up” performance. However, when used at
the premium treat-rate, HiTEC® 4621 will also deliver a demonstrable reduction in emissions and fuel consumption. The use of HiTEC® 4621
additive allows fuel retailers to offer their customers a choice of products, whilst utilising only one supply chain. Thereby reducing total costs, whilst allowing both optimised main grade fuel and a premium product.