Wagner 0525355 or 525355 Optimus Lock Nut - OEM.

• Fits: Optimus plus project power painter and possibly others.
• Genuine OEM part.
• See Wagner #0525540 Lock Nut for a possible option if the #0525355 Lock Nut does not fit your sprayer.
• Refer to your manual or contact Wagner for detailed part information before ordering.

Prop 65 Warning!

This product can expose you to chemicals which are known to the State of California to cause cancer.