HiTEC® 3421 is a service fill automatic transmission fluid (ATF) additive package for all Ford and GM vehicles of 2005 and earlier.
HiTEC® 3421 is a performance additive for formulating automatic transmission fluids (ATF) for all Ford and GM vehicles of 2005 or earlier (excluding vehicles requiring a Type F fluid). It brings superior anti-wear and oxidation control to the fluid, extending service and transmission life.
HiTEC® 3421 is engineered for formulation with a suitable Group II base oil.
Appearance: Hazy light amber liquid
Specific gravity @ 15.6/15.6°C: 0.913
Density, lb/gal: 7.60
Viscosity @ 100°C, cSt: 277
Viscosity @ 40°C, cSt: 2,543
Flash point, °C (PMCC): 120 min
Performance demonstrated in a complete series of GM and Ford tests
Superior anti-wear protection
Excellent oxidation control
Enhanced friction performance
Transmission damage and wear
Premature oxidation
HiTEC® 3421 is used at 8.2 wt% (7.66% vol) when combined with a suitable Group II base oil.
Afton Chemical is a global leader when it comes to formulating automatic transmission fluid (ATF) additives. Afton has years of extensive research and working closely with OEMs to develop additive technologies that meet the new challenges of transmission design. Learn more about our transmission fluid additive solutions and what makes Afton Automatically First™.
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