Part Number: 4019
Category: Pressure Washer Parts → Pump Maintenance → Pump Oil & Lubricants
Type: OEM CAT 6100 Pump Oil – 12 Pack of 21 oz Bottles

The CASE CAT 6100 Pump Oil (Part #4019) is a genuine OEM lubricant formulated specifically for CAT Pumps high-pressure pumping systems. This convenient case includes twelve (12) 21-ounce bottles, providing the correct lubricant for routine maintenance, scheduled oil changes, and long-term equipment protection.

Key Features & Benefits

• Genuine OEM CAT Pumps lubricant
• Part Number: 4019
• Includes 12 bottles, each containing 21 oz of pump oil
• Formulated specifically for CAT Pumps equipment
• Helps reduce friction and internal component wear
• Promotes smooth pump operation
• Supports longer pump service life
• Ideal for routine preventive maintenance
• Helps maintain OEM performance standards
• Suitable for commercial and industrial pressure washer systems

Technical Specifications

Part Number: 4019

Product Type: Pump Oil / Equipment Lubricant

Manufacturer: CAT Pumps

Quantity: 12 Bottles

Bottle Size: 21 oz each

Total Volume: 252 oz

OEM Replacement: Yes

Compatible Applications

Designed for use with compatible CAT Pumps high-pressure pump systems used in:

• Commercial pressure washers
• Industrial pressure washing equipment
• Pump maintenance programs
• Preventive maintenance schedules
• Equipment service departments
• High-pressure cleaning systems

Function of CAT 6100 Pump Oil

CAT 6100 Pump Oil helps:

• Lubricate internal pump components
• Reduce friction during operation
• Protect bearings, seals, and moving parts
• Minimize wear under high-pressure conditions
• Promote cooler operating temperatures
• Extend overall pump life
• Maintain reliable pump performance

Using genuine OEM lubricant helps ensure proper pump protection while maintaining the performance standards specified by CAT Pumps.

Common Signs Pump Oil Should Be Replaced

Replace pump oil according to the manufacturer's recommended maintenance schedule or if you notice:

• Dark or contaminated oil
• Milky or water-contaminated lubricant
• Metal particles in the oil
• Reduced pump performance
• Increased operating temperature
• Excessive pump noise
• Oil that has exceeded its recommended service interval

Regular oil changes help protect internal pump components and reduce the risk of premature wear.

Installation & Service Notes

• Shut down the equipment and relieve all system pressure.
• Allow the pump to cool before servicing.
• Drain the existing pump oil completely.
• Refill with the recommended amount of genuine CAT 6100 Pump Oil.
• Verify the oil level according to the pump manufacturer's specifications.
• Dispose of used oil in accordance with local environmental regulations.

Important: Always follow the maintenance intervals outlined by the pump manufacturer. Using genuine OEM CAT Pumps lubricant helps ensure maximum equipment reliability and long service life.

Maintenance Recommendations

• Check pump oil level regularly.
• Replace oil at the manufacturer's recommended service intervals.
• Inspect oil for contamination during routine maintenance.
• Address leaks promptly to prevent lubricant loss.
• Use only genuine OEM CAT Pumps lubricants for optimum pump protection and performance.