The CAT Pumps 20184 Plunger Retainer Backup Ring replaces the existing ring on a 25 frame plunger pump model. This backup ring is made with PTFE material and is an authentic CAT Pumps replacement part.
Always verify correct part #'s in your owners manual.
- Tough PTFE construction
- Used with 25 frame pumps
- Trusted CAT Pumps OEM factory parts
Compatible With These Pumps:
- 2530
- 2530E
- 2531
- 2537