STP 1 gal. Heavy-Duty Extended-Life Ready-to-Use Coolant/Antifreeze, NOAT
Since 1954, STP has been the premier American brand name for automotive additives, lubricants and performance products in the USA. STP Heavy Duty NOAT Extended Life Antifreeze/Coolant Ready-To-Use is a Nitrited Organic Acid Technology (NOAT) formulation that meets or exceeds ASTM requirements. This superior quality, ethylene glycol-based engine coolant is free of phosphates, silicates, amines, and 2-ethylhexanoic acid. It protects cooling system metals including aluminum, as well as rubber hoses, gaskets and plastics. The product is specially formulated with industry-leading additives to provide extended service maintenance protection in heavy duty applications without the addition of SCAs*. Recommended for initial fill or top-off in all gasoline and diesel engines.STP Heavy Duty NOAT Antifreeze/Coolant Ready-To-Use meets the requirements of the following engine coolant specifications: ASTM D3306, ASTM D6210, and TMC RP329B. *HD Extender may be needed based on test results.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
- Prevents pitting caused by cavitation and corrosion of brass, copper, solder, steel, cast iron and aluminum
- Extended service life up to 1,000,000 miles 8 years or 20,000 hours protection*
- Recommended for use in engines requiring CAT EC-1
- Free of phosphates, silicates, amines, and 2-ethylhexanoic acid
- Compatible with all major brands of extended life Organic Acid Technology (OAT)-type antifreeze/coolant
- Ready-To-Use DO NOT ADD WATER
| Brand | STP |
|---|---|
| Country of Origin | Made in USA |
| Compatibility | All major brands of extended life Organic Acid Technology (OAT)-type antifreeze/coolant |
| Container Size | 1 gal. |
| Container Type | Jug |
| Features | Non-Toxic |
| Freezing Point | -34 deg. F |
| Longevity | Up to 1,000,000 Miles or 20,000 hours |
| Package Quantity | 1 |
| Warranty | Limited Warranty |
| Manufacturer Part Number | 11096 |