

9" shear stop bar used in Graco airless spray pump assemblies to control structural movement and maintain precise frame alignment under high-pressure operating conditions.
| Brand | Compatible Systems | Notes |
|---|---|---|
| Graco | Airless spray pump assemblies using 9" shear stop bar components | Maintains structural alignment and controls internal movement |
| Graco Xtreme Series | Select high-pressure industrial sprayers | Requires matching 9-inch shear stop configuration |
| Graco King Series | Air-operated piston pump systems | Common in heavy-duty coating applications |
| Graco Bulldog / Fireball Systems | Industrial spray pump assemblies | Compatibility depends on frame configuration |
The Graco 17D550 Bar, Shear Stop, 9" is a structural alignment component used in airless spray pump assemblies to regulate internal movement and maintain precise frame positioning under high-pressure operation.
Engineered for durability in demanding industrial environments, this Shear Stop helps reduce vibration, limit mechanical stress, and ensure consistent pump performance during continuous-duty spraying applications.