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Engine Oil Filter, 6665603

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Genuine Bobcat engine oil filters ensure that your engine is optimized with oil at all times -- during cold starts, frequent restarting, operation at low load and at high temperatures.

Large, pleated filter surface: High dirt capacity and optimum filtration performance throughout the entire service interval.

Precise internal overflow valve: Prevents valve from opening too early, giving a sufficient supply of oil even when the filter has reached its capacity.

Strong, corrosion resistant housing wiht high quality seals protects from leaks

Tear resistant medium with special coating prevents unfiltered oil from entering the engine.

Anti-drain lock prevents the filter from draining when the engine is turned off ensuring availability of oil when restarting.

Remember to order your engine oil.

Filters will vary depending on your serial number and your machines engine. Check the Bobcat Online Parts Catalog to ensure the correct part for your equipment.

More Information

Outer Diameter 2.99 inch (76 mm)

Thread Size 3/4-16

Length 3.39 inch (86 mm)

Gasket OD 2.76 inch (70 mm)

Gasket ID 2.36 inch (60 mm)

Efficiency 99% 40 micron

Efficiency Test Std SAE J1858

Anti-Drainback Valve 

Bypass Valve 

Bypass Valve Setting LR 7 psi (0.48 bar)

Model Compatibility

Excavators: 442

Loaders: 863, 864, 873, 883, A220, A300, S250, T200

WARNING: This product can expose you to chemicals including lead and lead compounds, mineral oils, and phthalates which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to