STP Heavy Duty Premix Antifreeze/Coolant

3.78 L


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Description & Features+

STP® Heavy Duty 50/50 Premix Antifreeze/Coolant is a superior fully formulated traditional engine coolant based on a proprietary formulation of corrosion inhibitors. The low silicate level of this aluminum compatible product allows it to be used in multi-vehicle fleets including automotive, light duty and heavy duty diesel applications, such as on-road truck, off-road and farm applications.

  • Fully formulated; DOES NOT require initial charge of SCA
  • Premixed – DO NOT ADD WATER
  • Meets the performance requirements of ASTM D3306, D4985, D6210; Detroit Diesel 7SE298, 93K217; GM 1825M, 1899M; TMC RP 329B
  • 3.78 L


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