

Part 600-401 is a fluid section service kit designed to rebuild the pump fluid section on PowrTex 6900SF and 12000SV sprayers. This kit contains all necessary seals, O‑rings, packings, and valves to restore pump performance, eliminate leaks, and maintain consistent pressure. Using this genuine OEM kit ensures a complete and reliable rebuild, minimizing downtime and extending equipment life.
| Part Number | 600-401 |
|---|---|
| Part Description | Fluid Section Service Kit |
| Brand | PowrTex |
| Fits | PowrTex 6900SF, 12000SV |
| Condition | New |
The PowrTex 600-401 Fluid Section Service Kit provides all the wear parts needed to rebuild the fluid section of the pump on PowrTex 6900SF and 12000SV sprayers. The kit includes packings, O‑rings, seals, valves, and other critical components to restore original pumping performance.
Over time, the fluid section components wear due to normal use, abrasive materials, or chemical exposure. Symptoms such as reduced output, erratic pressure, fluid leaks, or the pump struggling to build pressure indicate the need for a fluid section rebuild. Using this genuine OEM service kit ensures that all components meet original specifications for a complete, long‑lasting repair.
| Restores pump performance | Replaces worn packings and seals to rebuild pressure |
|---|---|
| Eliminates leaks | Fresh O‑rings and seals stop internal and external leakage |
| Extends pump life | Prevents further damage by restoring proper clearances |
| Reduced pressure / output | Pump cannot maintain rated pressure or flow |
|---|---|
| Fluid leakage | Visible leaks from fluid section or packing nut |
| Erratic operation | Pump surges, stalls, or fails to prime |
| Preventive maintenance | Scheduled rebuild to avoid unexpected downtime |
Part 600-401 is compatible with the following PowrTex models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| PowrTex 6900SF | Fluid Section Service Kit |
| PowrTex 12000SV | Fluid Section Service Kit |
When rebuilding the fluid section, it is often advisable to inspect or replace these associated components to ensure complete system reliability.
Inspect the piston or rod for scoring or wear; replace if necessary to avoid damaging new seals.
Check for scoring or out‑of‑round condition; a damaged cylinder may require replacement.
Valve seats and balls wear over time; consider replacing them during a fluid section rebuild.