Description
This piston seal is a direct-fit replacement for Airlessco part 186-032, used in 8100, 8100 GS, 9100. It installs in the original position with no modification.
Common reasons this piston seal 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.









