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CAT Pumps 43781 Buna-N Cylinder O-Ring for 320 Pumps
The CAT Pumps 43781 O-Ring is made with Buna-N rubber and fits on a cylinder on a CAT 320 pump.
- Compatible with model 320 CAT pumps
- Buna-N nitrile rubber construction
- Genuine CAT Pumps replacement part
