Intelligent Lubrication Solutions®


Passenger Car/Installer

Engine Oils

Transmission Fluids

Miscellaneous Fluids

Commercial/Heavy Duty

Diesel Engine Oils

CNG Engine Oils

Hydraulic Fluids

Gear Oils


Transmission Fluids

Diesel Exhaust Fluids

Miscellaneous Fluids


Hydraulic Fluids

Gear Oils

Maintenance Oils

Compressor Oils


Miscellaneous Industrial Fluids

Renewable Biodegradable Fluids


Cutting Oils


MQL Fluids

Corrosion Inhibitors / Cleaners / Degreasers

Forming/Casting / Drawing / Stamping / Quench Lubricants

Fluids Storage and Handling

Waste Oil Removal, Oil Recycling and Remediation

Contamination Control and Fluid Conditioning

Desiccant Breathers

Essential Desiccant Breathers

Extreme Humidity Desiccant Breathers (EX Series)

Extreme Vibration Desiccant Breathers

Passive Oil Dryers

Reservoir Breather Kits

Breather Adapters

Filtration Systems

Mobile Filtration

Filter Media

Drum Pump Filtration/Dispensing

Coolant Management

Coolant Mixing Solutions

Filtration Systems

Solvent Distillation Systems

Condition Monitoring

Oil Sampling Tools

Sampling Valves, Tubes, Fittings, Accessories

Sampling Guidelines

Visual Inspection Tools

OilChek Oil Analysis Lab Services

Oil Analysis

Fuel Analysis

OilChek Customer Login

Lubrication Systems

Constant Level Oilers

Pressure Differential Products

Machine Health Services

Contract Lubrication Services


OilChek® Oil Analysis Lab Services

For over 40 years, the U.S. Lubricants’ OilChek® Oil Analysis Program has provided a comprehensive analysis of lubricating oil, fuel, coolant, and industrial products. Proper oil sampling and analysis help maintenance managers and operators determine the condition of their system fluids and components.

Quality assured, the OilChek® lab meets the stringent requirements of ISO 9001:2015, a requirement requested by most customers that depend on a superior level of accuracy. Our OilChek® service can detect over 100 critical performance characteristics!

Participating in the Oil Analysis Program has several benefits: 

  • Reduce cost through reliability best practices by avoiding unbudgeted repairs
  • Lengthen PM intervals, while not sacrificing proper lubrication
  • Allow products to meet or exceed demand
  • Provide actionable interpretation of the results
  • Defend against warranty claims

What happens after you send an oil sample? 

  • Once we receive the sample, we test the oil in our high-tech, state-of-the-art lab.
  • If our OilChek® analysts discover any abnormalities in the test data, we will contact you immediately and inform you of the problem, along with our recommendation.
  • Reports could be delivered in as little as 24 hours upon receipt of the sample, unless otherwise specified.
  • Lab results are displayed in a user-friendly, comprehensive report which color codes the rating of the sample for ease of identification.

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