Description
This teflon backup ring is a direct-fit replacement for Titan part 509653, used in Advantage GPX 165, Advantage GPX 220, LineCrew 1600. It installs in the original position with no modification.
Common reasons this teflon backup ring is replaced:
- Leaking at the seal, gland, or mating face
- Pressure loss during operation
- Hardening, cracking, or flattening with age
- Routine replacement during a pump or gun rebuild
Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible equipment models are listed in the Compatible Equipment section below, where available.









