Titan 704-560 Piston Assembly
OEM Titan Fluid Section Component
Titan 704-560 Piston Assembly is a genuine OEM complete piston rod assembly that includes the rod, upper seal, cage, outlet valve ball, seat, O-ring, and retainer, designed to restore pump pressure and sealing on compatible Titan airless sprayers.
Compatibility
Replace when the piston rod is scored or worn, pump pressure is lost, fluid leaks from the packing area, or as part of a complete fluid section overhaul. Always replace packings when installing a new piston rod.
Titan Fluid Section Component Replacement
Titan 704-560 Piston Assembly for Airless Sprayer Pump Service
Titan 704-560 is a genuine OEM complete piston rod assembly engineered for the fluid section of compatible Titan airless sprayers. It is confirmed as the current replacement for legacy part numbers including 704-089, 704-090, 704-551A, and 704-552A, providing a comprehensive solution for restoring pump performance.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | Genuine OEM Titan complete piston rod assembly for compatible airless sprayers. Listed in the 640IX manual as the "Piston assembly (includes items 8-13)". |
| Function | The piston rod drives the pump's pumping action, moving within the packings to draw and pressurize fluid. The integrated outlet valve components ensure one-way fluid flow. A smooth, unworn rod surface is essential for proper sealing and pressure retention. |
| Assembly Contents | Piston Rod (700-089), Upper Seal (762-111), Upper Cage (762-135), Outlet Valve Ball (762-144), Outlet Valve Seat (762-134), O-Ring (762-057), and Outlet Valve Retainer (762-073). |
| Compatible Titan Machines | Titan 640IX (primary fit, confirmed in manual); Titan 440XC; Titan 550XC; Titan 660XC; Titan 690GXC. Also compatible with the 330, 340, 440/440E/440IX, 540/540IX, 640I, 660HPX, 690GX/690HPG, PowrLiner 2800/3100, RentSpray 600 Impact/700, MultiFinish 440, and ProMark II. Always confirm fitment using your exact model's parts diagram and serial number. |
| OEM Part Number | 704-560 Piston Assembly. Replaces 704-089, 704-090, 704-551A, 704-552A, and Wagner 0508211, 0508669, 0509151, 0290277. |
| Replacement Indicators | Scored, worn, or damaged piston rod surface; loss of pump pressure; fluid leaking from the packing area; pulsing at the gun; difficulty priming; visible wear on the rod that would destroy new packings. |
| Related Parts Commonly Serviced Together | Pump Repacking Kit (704-113), upper packing assembly (700-603A), lower seal assembly (700-601A), packings, and pump block. |
| Why Genuine OEM | Exact dimensions, surface finish, and material specifications ensure proper fit and sealing with new packings. A low quality or worn rod will quickly damage new seals and lead to continued pressure loss. |
Service guidance: Before installing, inspect the pump block and packings for wear. Always replace packings when installing a new piston rod to ensure a proper seal. Lubricate the rod and seals with compatible grease before assembly. The RentSpray Plus manual notes the piston guide tool and rod should be greased before insertion, and the transducer must be aligned properly with the hole in the pump block during reassembly to avoid damaging the transducer gasket. Follow the fluid section disassembly and reassembly procedure in your sprayer's service manual. Always relieve system pressure and disconnect power before servicing.
Frequently Asked Questions
Quick answers for confirming fitment and identifying when replacement is needed.
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