

Part number 800-325 is an Upper Seal Retainer used in Airless Sprayer 1140 I and IA, 840 I and IA; Impact 1640; Advantage 1100, 700; Performer 1140 IX; and PowrTex 1200SF models. This component holds the upper seal in place within the pump assembly, ensuring proper sealing and preventing fluid leaks. Replacing a worn, cracked, or corroded upper seal retainer restores pump integrity and maintains consistent pressure.
| Part Number | 800-325 |
|---|---|
| Part Description | Upper Seal Retainer |
| Brand | Multiple |
| Fits | Airless Sprayer 1140 I, 1140 IA, 840 I, 840 IA; Impact 1640; Advantage 1100, 700; Performer 1140 IX; PowrTex 1200SF |
| Condition | New |
The 800-325 Upper Seal Retainer is a critical component in the pump assembly of various Airless Sprayer, Impact, Advantage, Performer, and PowrTex models. It secures the upper seal in position within the pump cylinder, ensuring that the seal maintains proper contact with the piston to prevent fluid leakage and pressure loss.
This retainer is typically threaded or pressed into the pump housing and must withstand high pressures and repeated cycling. A damaged or worn retainer can allow the seal to shift, leading to leaks, erratic pressure, and accelerated wear of the piston and seal. Replacing a cracked, corroded, or deformed upper seal retainer restores the integrity of the pump seal assembly and ensures reliable, leak‑free operation.
| Seal retention | Holds the upper seal in correct position within the pump |
|---|---|
| Leak prevention | Ensures seal maintains contact with piston to prevent fluid bypass |
| Pressure containment | Helps maintain system pressure by securing the seal |
| Fluid leaks | Paint or fluid seeping from the top of pump |
|---|---|
| Cracked / damaged | Visible cracks or deformation of the retainer |
| Corrosion | Rust or chemical attack weakening the retainer |
| Seal failure | Repeated seal failure may indicate worn retainer |
Part number 800-325 is compatible with the following models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Brand / Model | Component |
|---|---|
| Airless Sprayer 1140 I | Upper Seal Retainer |
| Airless Sprayer 1140 IA | Upper Seal Retainer |
| Airless Sprayer 840 I | Upper Seal Retainer |
| Airless Sprayer 840 IA | Upper Seal Retainer |
| Impact 1640 | Upper Seal Retainer |
| Advantage 1100 | Upper Seal Retainer |
| Advantage 700 | Upper Seal Retainer |
| Performer 1140 IX | Upper Seal Retainer |
| PowrTex 1200SF | Upper Seal Retainer |
When replacing the upper seal retainer, these components are often inspected or replaced at the same time to ensure complete pump reliability.
The seal itself may be worn; replace it along with the retainer.
Inspect for scoring or wear that could damage a new seal.
Replace any seals disturbed during disassembly.