Ultra 4K is an engineered synthetic coolant formulated to provide optimum reliability for rotary screw air compressors. Ultra 4K’s unique formulation helps extend your compressor life and increases total system efficiency versus non-Ingersoll Rand coolants. With a recommended 4,000 hours of service between change-out under normal operating conditions, it helps align your lubricant to your operating needs.
The internal Ingersoll Rand part number is 47703841001 which may also be shown as 47703841.
Reliability & Wear Protection: Ultra 4K offers more compressor protection and higher thermal conductivity than PAOs and mineral based fluids