Pump Seat PTFE Ring
The CAT Pumps 43248 Back-Up Ring is placed on the seat of a 530, 550, 650, or 654 model pump. Replace a cracked, worn, or missing back-up ring on your pump.
- Installed on a pump seat
- PTFE construction
- Official CAT Pumps replacement part
Use With These Pumps:
- 530
- 550
- 650
- 654
WARNING: This product can expose you to chemicals including Lead, which is known to the State of Californiato cause cancer and birth defects or other reproductive harm (For more information go to www.p65warnings.ca.gov).








