Titan 800-365A Piston Assembly
OEM Titan Pump Piston Assembly
Titan 800-365A Piston Assembly is a genuine OEM complete piston unit for compatible 840 and 1140 series airless sprayers, replacing the original 800-365 and including the piston rod, outlet valve components, and related hardware.
Compatibility Table
A worn piston rod or outlet valve assembly causes pressure loss and erratic spray. This complete OEM assembly restores proper sealing and pump performance in one installation.
Titan Sprayer Fluid Section Piston Assembly
Titan 800-365A Piston Assembly for 840ix and 1140ix Sprayers
Titan 800-365A is the current OEM piston assembly specified for compatible Titan sprayer platforms, superseding the original 800-365 part number. It arrives as a complete unit containing the piston rod, upper cage, outlet valve ball, outlet valve seat, and outlet valve retainer, providing a comprehensive solution for pump restoration.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | Genuine Titan OEM complete piston assembly for the fluid section of compatible 840 and 1140 series sprayers, replacing the original 800-365 part number. |
| Kit Contents | Piston rod, upper cage, outlet valve ball, outlet valve seat, and outlet valve retainer. This is a complete pre-assembled unit for pump restoration. |
| Function | Transmits drive motion to the piston and provides the sealing surface for the packings. The integrated outlet valve components regulate fluid discharge during the pressure stroke. |
| Replacement Triggers | Visible wear or scoring on the piston rod, loss of pressure despite new packings, damaged outlet valve components, or as part of a comprehensive fluid section rebuild. |
| Industrial Applications | Professional sprayer repair, fluid section rebuilding, and restoration of pumps with worn piston assemblies. |
| Compatible Titan Machines | 840i, 840ix, 1140i, and 1140ix. Third-party parts references confirm the 800-365A as the replacement for the original 800-365 on these models. Confirm fitment using your specific model and revision parts diagram. |
| OEM Part Number | 800-365A Piston Assembly (replaces 800-365). |
| Related Parts Commonly Serviced Together | Upper packing 800-248, lower packing, upper seal retainer 800-325, spacer 800-327, wear ring 800-354, and back-up ring 800-333. These components are accessed together during fluid section service. |
| Common Problems Solved | Pressure loss from a worn piston rod or outlet valve, fluid leakage, erratic spray patterns, and the need for piece-by-piece rebuilding of the piston assembly. |
| Target Users / Markets | Painting contractors, maintenance crews, rental fleet operators, and repair shops servicing Titan sprayers. |
| OEM and Brand Information | Genuine Titan OEM component manufactured to original specifications for correct fitment and reliable performance. |
| Commercial Benefits | Complete assembly reduces installation time and ensures all critical piston components are replaced together, restoring factory-fresh pump performance. |
The 800-365A Piston Assembly is installed during fluid section service. When replacing the piston assembly, inspect the packings, seal retainer, and back-up rings for wear. Follow the Titan service manual for your specific model to ensure correct assembly sequence and torque specifications. Always perform pressure relief and disconnect power before servicing the fluid section.
Frequently Asked Questions
Quick answers for confirming fitment, contents, and service application.
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