Ultrachem 501-05 Compressor Oil Replacement | ISO VG 100 Diester Oil

Ultrachem 501-05 Oil

Aftermarket Ultrachem 501-05 Diester Air Compressor Oil

501-05 Compressor Oil Specifications

• 5-Gallon Pail
• ISO VG 100 Diester Compressor Oil
• 4,000-Hour Service Life
• Recommended for large double acting reciprocating air compressors
• ProAirSupply Part Number: COMPRESS10006556
• Usually Ships in 24-48 Hours
• Made in the USA
• 100% Compatible Replacement for Ultrachem 501-05 Compressor Oil

Ultrachem 501-05 is a diester-based air compressor lubricant formulated with advanced additive technology for demanding industrial applications. This ISO VG 100 compressor oil is engineered for cylinder lubrication in large double-acting reciprocating air compressors, helping to reduce carbon formation on discharge valves, minimize wear, and improve compressor efficiency.

This aftermarket replacement oil for Ultrachem 501-05 is also recommended for rotary screw compressors, rotary vane compressors, most reciprocating compressors, and positive displacement (PD) blowers. The premium diester formulation provides outstanding lubrication, thermal stability, oxidation resistance, and extended service life in demanding industrial compressor applications.

Designed as a 100% compatible replacement for OEM Ultrachem 501-05 compressor oil, this high-performance lubricant helps reduce maintenance costs, extend equipment life, and maintain reliable compressor performance. Its advanced Diester formulation resists carbon buildup on valves and internal components while delivering dependable protection throughout its 4,000-hour service life under normal operating conditions.