Filters & Fluids
Filters & Fluids

Genuine Cat® Filters & Fluids

Top-quality filters provide the consistent performance and lasting protection to help keep your valuable equipment running strong. Businesses across the region count on Warren CAT for the best information and advice when choosing Cat® Filters & Fluids for your application.  We’ll assess your needs in order to ensure you get the right filtration and lubrication efficiency to get the job done. Be sure to also check out our full line up of Cat spare parts designed to deliver the durability and maximum performace to boose your bottom line. 

Other filters may provide the right fit, but only a genuine Cat filter is engineered, built and tested for your Cat machines. Whether you’re replacing an original filter or “off brand” product, our Cat filter experts make it easy to get exactly what you need.

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Cat Oil Filters

Warren CAT offers standard, advanced and UHE filters to protect your engines from harmful contaminants. Cat engine oil filters:

• Maximize engine and oil cleanliness
• Fit your Cat machine like a glove
• Exceed standard maintenance intervals
• Increase machine performance and protect components

Cat Fuel Filters

Cat fuel filters are essential to preventing oil clogging. They keep out harmful workplace debris such as dirt, dust and rust. Warren CAT offers standard, advanced and UHE filters designed to keep fuel flowing properly, so your engine can perform to its full potential. Cat fuel filters:

• Provide a perfect fit for Cat equipment
• Capture small damage-causing particles that other filters miss
• Protect fuel injectors, fuel pumps and critical engine parts

Cat Air Filters

We carry both Cat engine air filters and Cat cabin air filters to protect machines and the people who operate them from hazardous contaminants. Our OEM engine air filters provide the highest level of protection to critical engine parts while also boosting performance. Cabin air filters eliminate most airborne irritants in order to provide a healthier environment to work in.

Genuine Cat air filters benefit your organization by delivering:

• Enhanced operator/workplace safety
• Prolonged life of engine components
• Maximum machine and operator performance

Cat Hydraulic and Transmission Filters

Warren CAT has the expertise to match the right filter to your specific hydraulic and transmission system. We carry standard, advanced and UHE filters to meet your diverse application needs. Cat hydraulic and transmission filters:

• Maximize system cleanliness
• Boost power and performance
• Protect the transmission by minimizing cold-start bypass
• Capture particles that damage hydraulics

Order Cat Air Filters From Warren CAT Today

Ordering Cat air filters is easy via our online part store. Need assistance identifying the right Cat filter for your machine and application? Contact Warren CAT today for detailed product information.

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Cat Standard Efficiency Fluid Filters:


Engine Oil and Fuel

  • Features standard elements for normal duty filtration.
  • Available for all Cat and many Allied equipment models.

Cat Advanced High Efficiency Engine Oil Filters

  • Engineered for advanced protection, performance and fuel economy.
  • Best choice for today’s tougher fuel contamination challenges.

Cat Advanced High Efficiency Fuel Filters

  • Engineered for maximum protection, performance and fuel economy in diesel engines.
  • Removes more than 98 percent of particles 4 microns or larger.

Cat Fuel Water Separators

  • Removes more than 98 percent of particles 10 microns and larger.
  • Eliminates virtually all free water and more than 87 percent of emulsified water.
  • Reduces fuel injector failure rates and extends fuel injector life.

Cat Coolant Conditioner Filters

  • Helps prevent corrosion, cavitation and erosion throughout the year.

Cat Standard Efficiency Hydraulic and Transmission Filters

  • Features standard elements for normal duty filtration.

Cat Advanced High Efficiency Hydraulic and Transmission Filters

  • Provides advanced protection against contaminant introduction during maintenance and repair.
  • Protects hydraulic and drive train systems against accelerated wear.

Cat Ultra High Efficiency Hydraulic and Transmission Filters

  • Super-fine synthetic media removes a higher proportion of very small and larger particles.
  • Specially engineered for optimum contamination control efforts.

Cat Standard Efficiency Radial Seal Air Filters

  • Features standard elements for normal duty filtration.
  • Designed for larger capacity and longer service life.

Cat Ultra High Efficiency Radial Seal Air Filters

  • Super-fast efficiency rate to protect against sharp abrasive particles.
  • Ideal for applications where fine dust particles or high amounts of exhaust soot are prevalent.

Cat ELC™

  • Applications:
    • Preferred coolant for Cat machines with diesel and gasoline engines.
  • Features:
    • Contains no silicates, phosphates, nitrates or borates.
  • Benefits:
    • Improves water pump seal and coolant service life.
    • Costs from 40 to 60 percent less than conventional coolant over time.


  • Application:
    • For use in all Cat and most OEM diesel and gasoline engine cooling systems.
  • Features:
    • Fully formulated.
  • Benefits:
    • Helps prevent corrosion and pitting in the cylinder liner and block.


  • Application:
    • For use with Cat DEAC low silicate heavy-duty diesel engine coolants.
  • Features:
    • Stops formation of rust and mineral deposits in cooling systems.
  • Benefits:
    • Protects metals against cylinder liner cavitation and corrosion without affecting gaskets or hoses.


  • Application:
    • Provides superior protection against pitting, freezing and corrosion in Cat natural gas and most OEM diesel, gasoline and natural gas engines.
  • Features:
    • Ready to use as initial fill or for top off.
    • Seals minor leaks.
  • Benefits:
    • Quick, easy servicing.
    • Eliminates risks of improperly mixing coolant concentrate and water.

Cat DEO™

  • Applications:
    • Preferred engine oil for Cat diesel, natural gas and gasoline engines.
  • Features:
    • Reduces piston ring groove deposits and controls soot buildup.
  • Benefits:
    • Ensures optimum performance in Cat engines.
    • Improves fuel and oil consumption efficiency.


  • Application:
    • Synthetic diesel engine oil.
  • Features:
    • Highly resistant to oxidation.
    • Provides exceptional cold start operation.
  • Benefits:
    • Provides extended drain and improved fuel economy capabilities.


  • Application:
    • For use in all Cat natural gas engines.
  • Features:
    • Provides excellent foam and corrosion resistance.
    • Enhances piston cleanliness.
  • Benefits:
    • Provides maximum protection against piston damage and wear.
    • Provides excellent valve guide face and seat protection.

Cat NGEO EL250™

  • Application:
    • For natural gas and other engines requiring low ash oil.
  • Features:
    • Increased detergent concentration and acid neutralizing capability.
    • Outstanding resistance to oil nitration and oxidation.
  • Benefits:
    • Improves ring and liner service life.
    • Superior valve and piston protection.

Cat NGEO EL350™

  • Application:
    • For natural gas engines and other engines requiring low ash oil.
  • Features:
    • Superior thermal stability.
    • Strong resistance to oxidation and nitration.
    • Excellent viscosity control.
  • Benefits:
    • Capability for longer drain intervals.
    • Provides maximum piston protection.


  • Applications:
    • Preferred transmission and drive train oil for Cat equipment.
    • For use with all Cat transmission and brake disc materials.
  • Features:
    • Protects against scoring and pitting of gear teeth and bearings.
  • Benefits:
    • Increases load carrying capacity of clutches and eliminates brake chatter.
    • Provides maximum friction material life in power-shift transmissions and wet brakes.


  • Application:
    • Transmission and drive train oil for use in all seasons.
  • Features:
    • Operates over a wider temperature range than standard TDTO.
  • Benefits:
    • Improves transmission performance in cold weather.
    • Provides extended drain capability.


  • Application:
    • For use in specified Cat components and systems.
  • Features:
    • Enhanced shear stability in field service and extreme-pressure wear protection.
    • Optimized low-temperature performance.
  • Benefits:
    • Provides considerable improvement in wet brake control.
    • Optimized wear protection of gears, pumps and hydraulic valves.


  • Applications:
    • Preferred final drive and axle oil for Cat off-highway trucks and other selected machines.
  • Features:
    • Designed for protection of highly loaded gears and bearings.
  • Benefits:
    • Provides greater protection against pitting and scoring of gear teeth and bearings.


  • Applications:
    • Preferred synthetic final drive and axle oil for Cat machines off-highway trucks and track-type tractors subjected to severe operating conditions.
  • Features:
    • Reduces contact fatigue.
    • Protects against rust and copper corrosion.
    • Minimizes foaming.
  • Benefits:
    • Provides extended gear and bearing life capability when S•O•S Services is used at 500 hour intervals.


  • Applications:
    • Preferred oil for Cat hydraulic machines and systems.
  • Features:
    • Additive system contains superior metallic detergents, rust inhibitors, antiwear agents and defoamants.
  • Benefits:
    • Prevents water damage to pumps, motors and valves.
    • Provides maximum protection against mechanical wear.

Cat GO

  • Applications:
    • For use in the vibrator drum of soil compactors.
    • For use in manual transmissions, axles, final drives and systems requiring API GL-5 oil.
  • Features:
    • Protects against rust and corrosion.
    • Protects against scoring and pitting of gear teeth and rolling element bearings.
    • Includes EP “Extreme Pressure” additive.
  • Benefit:
    • Provides excellent high-temperature stability and superior low-temperature performance.

Cat Synthetic GO

  • Applications:
    • Synthetic gear oil for specified Cat direct drive transmissions, differentials, final drives, and sealed and lubricated track joints.
  • Features:
    • Good foam resistance.
    • Compatibility with non-silicone seals and gaskets.
  • Benefits:
    • Excellent protection against wearing and scoring caused by high speed and heavy gear loads.
    • Superior protection against rusting, staining and corrosion.

Cat Backhoe Loader Brake Oil Additive

  • Application:
    • Rear axle housing of Cat backhoe loaders.
  • Benefit:
    • Reduces noise and chatter.

Contact us today to learn more.


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