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Replacement for Atlas Copco GA-8K (5 Gal.)

Replacement for Atlas Copco GA-8K (5 Gal.)

Part #: GA-8K (5 Gal.)
Availability : Contact Us
Premium Compressor Oil





This replacement lubricant is formulated from 100% synthetic base stocks for superior performance. Scheduled changes may be extended to 8000 hours. RPVOT Test: This replacement lubricant offer unsurpassed results when tested for oxidation stability utilizing the ASTM D2272 RPVOT (Rotating Pressure Vessel) test. This oil outperforms some competitive products by a margin of three to one.


eCompressedair is an independent supplier of aftermarket compressor replacement parts and is not affiliated with manufacturers mentioned in this web site. Original equipment manufacturer (OEM) names are the trademarks of each manufacturer. On products marked "equivalent" or "replacement," OEM names and part numbers are for reference only.


The PAO-based series is a line of full synthetic compressor oils that are formulated with the highest quality polyalphaolefin (PAO) based fluids. These 100% premium syntheic oils are used where maximum seal, paint, and plastic compatibility is required. They are designed for rotary screw applications and offer a service life of up to 8,000 hours under a wide range of temperatures under good operating conditions.

Typical Industrial Applications: Rotary Screw Compressors, Rotary Vane Compressors, Reciprocating Compressors, Centrifugal Compressors, and Vacuum Pumps

Performance Benefits:

  • Outstanding thermal oxidative stability
  • Very low pour point
  • Wide operating temperature range
  • Non-detergent and ashless
  • Extended drain intervals/reduced oil disposal
  • Excellent vapor pressure characteristics
  • USDA H-2 authoerized


Typical Properties       Test Method  
ISO Viscosity Grade       D2422 46
Viscosity cSt. 100° C   D445 48
  cSt. 100° C   D445 7.9
Viscosity Index       D2270 134
Pour Point   °C   D97 -51
    °F     -60
Flash Point   °C   D92 251
    °F     483
Evaporation 22 hrs. @210° F   D972 1.0%
Foaming Seq. I,II,III       D892 Nil
Copper Corrosion       D130 1B, shiny
Specific Gravity       D1298 0.86
USDA Authorization   H-1 or H-2     H-2
Demulsibility       D1401 40-40-0(10)
Four Ball Wear, 40 Kg.,
1200 rpm, 75C, 1 hr.,
Scar Diameter, mm
      D4172 0.43