Mobil Rarus 424 Compressor Lubricant Equivalent - 5 Gallons

Mobil Rarus 424 Replacement Oil

Phi Syn 32 is a Semi Synthetic ISO 32 air compressor oil is designed as a replacement for Mobil Rarus 424. It is engineered to deliver dependable protection, stable lubrication, and consistent performance in rotary screw and reciprocating air compressors. This premium hydrocarbon-based formulation provides balanced viscosity control and reliable wear protection for industrial and portable compressor systems operating under demanding conditions.

Designed for facilities requiring efficient lubrication without the cost of full synthetic fluids, this ISO 32 compressor oil performs especially well in dusty, dirty, and high-contaminant environments where scheduled maintenance intervals are more frequent. Its stable base oil composition supports smooth compressor operation while helping minimize internal wear and deposit formation.

Rated for up to 4,000 hours of service life at temperatures up to 200°F, Phi Syn 32 helps reduce downtime, support preventative maintenance programs, and maintain dependable air compressor efficiency across a wide range of industrial and job site applications.

Key Benefits

• Up to 4,000 hours of service life at 200°F
• ISO 32 viscosity for efficient lubrication and reduced internal friction
• Semi synthetic hydrocarbon formulation for balanced performance and value
• Designed for rotary screw and reciprocating air compressors
• Excellent performance in dusty and high-contaminant environments
• Strong anti-wear protection for critical compressor components
• Supports reduced maintenance intervals and operational downtime
• 5-gallon pail ideal for routine industrial maintenance programs

Applications

Ideal for industrial facilities, maintenance departments, and job sites operating:

• Rotary screw air compressors requiring ISO 32 compressor oil
• Reciprocating (piston) compressors in portable and stationary systems
• Construction and mobile compressor units
• Industrial manufacturing and plant compressed air systems

OEM Cross-Reference (Identification & Compatibility Only)

Suitable for compressor systems operating with ISO 32 lubricants similar to:

• Mobil Rarus 424

AirCompressors.com is an independent distributor and supplier and is not affiliated with, authorized by, or endorsed by any original equipment manufacturer referenced above. OEM names and trademarks are used strictly for identification and compatibility purposes. 

Why Choose AirCompressor.com House Brand Lubricants?

• Consistent industrial-grade quality
• Transparent technical specifications
• Competitive value positioning
• Reliable product availability

If you’re unsure whether this is the right replacement oil, you can quickly verify compatibility using our compressor lubricant cross reference tool. For additional guidance, explore our cross reference guide or review the oil equivalent chart to compare compatible options.