Giant Pumps P300 Sight Glass 8491 - 5956
Couldn't load pickup availability
This Giant Pumps sight glass is a genuine OEM replacement for Giant P300 Series plunger pumps. It mounts in the side of the crankcase and gives you a clear view of the pump’s oil. You can check the oil level and condition at a glance without removing a cap or dipstick. Milky or cloudy oil seen through the glass is an early warning of water getting into the crankcase, usually from worn oil seals. Dark or low oil means it’s time for a change or top-off. A cracked, cloudy, or leaking sight glass makes these checks impossible and can let oil seep out or contaminants in, so replacing it keeps the crankcase sealed and your maintenance checks easy.
Key features:
- Oil sight glass for Giant P300 Series pumps
- Check oil level and condition at a glance
- Helps catch water contamination and low oil early
- Seals the crankcase against leaks and contaminants
- Genuine OEM Giant Pumps part