Product Description
Replacement Back-Up Ring
New backup ring seal for a triplex plunger pump. Fits on these CAT Pumps models: 280, 281, 290, 291, 320, 520. Official CAT Pumps factory part.
The CAT Pumps 29003 Backup Ring Seal replaces a damaged or worn seal on a select triplex piston pumps from CAT. Made with PTFE material. This seal is an authentic OEM CAT Pumps part.
- Compatible with 280, 281, 290, 291, 320, 520 model pumps
- PTFE material construction
