General Pump 650018 PLUNGER, 18MM
- Size: 18mm
- Material: Described as rubber in some listings, though many high-pressure plungers in similar series use ceramic.
- Genuine OEM
- Replacement Role: These plungers are reciprocating parts that build pressure. Replacing a worn or cracked plunger is critical to preventing water from leaking into the crankcase, which can cause severe pump damage.
- Compatibility:
- WM Series pumps (e.g., WM4215CL).
- Zkw1 Series.
Prop 65 Warning: This product can expose you to chemicals which are known to the State of California to cause cancer.
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