Replace a single part when the fault is one visible item: a filter, screen, O-ring, tip seat or a stuck pusher stem. Use a kit when the symptom points inside the pump, such as a valve or packing problem, because those parts wear together. Consider a whole fluid section assembly when several parts are worn or the piston rod is damaged. Check the kit's product page for contents.
Three levels of repair
On an Impact X the choice is rarely single part versus kit. It is one of three levels, and the symptom decides which. Outside the pump, a failed part is a failed part. Inside the pump, wear is shared, so the sensible repair covers more than the one item you can name.
- Level 1, single part: filters, screens, O-rings, tip seats, pusher stem, fuse, gun parts.
- Level 2, kit: the inlet valve kit, outlet valve kit and repacking kit listed on the fluid section diagrams.
- Level 3, assembly: a complete fluid section assembly listed for your model.
We do not list kit contents here because the diagrams show only the kit number. Open the kit's product page, or call (713) 931-0006, to confirm exactly what is in it before you order.
Level 1: when a single part is the right call
These are faults with one visible cause, so buying a kit would be wasted money.
Single-part repairs
| Fault | Part | Where it is |
|---|---|---|
| Torn or clogged pump filter | 2424933 60 mesh filter | Filter Assembly |
| Air leak at the suction connection | 9871105 O-ring, 9822526 clip | Suction Set |
| Clogged inlet screen | 700-805 | Suction Set |
| Worn tip seat and seal | 661-020 (a five pack) | Accessories |
| Coarse gun filter dirty | 0089957 | Accessories |
Level 2: valve and repacking kits
The Impact X fluid section pages list the 805-846 inlet valve kit and 805-845 outlet valve kit, and the 704-586B repacking kit. Titan's manuals tie these symptoms to the pump interior: pressure that will not build or hold, surge at the gun from worn upper packings, and leaks at the top of the fluid section from worn packings, balls or seats.
Match the kit to the symptom. Failure to prime or hold pressure with clean filters and a good tip points to the valves. Surge or weeping at the top points to the packings. If you are opening the pump anyway for one, it is worth looking at the other, since the same pump is being taken apart.
Parts worth replacing together
Once the pump is open, a few small parts sit in the same joints, so check them while you are there: the 762-058 seat O-ring, the 800-332 Viton O-ring (on the X 440 and X 540I pages) and the 704-612 crush washer. They are small, and a reused seal is the usual reason a freshly repaired pump leaks.
The piston rod deserves a look at every repacking. The packings seal against it, and a scored rod damages new packings. If the rod is scored, repacking alone will not fix the problem. The diagrams list the 2420579A piston rod, the 2420580A piston assembly and the 2420537 retainer for the X 410, X 440 and X 540I.
Level 3: a whole fluid section
The site lists complete fluid section assemblies for each model: 2453422 on the X 410 pages, 2440559 on the X 440 pages, and 2456446 for the X 540I. Boxed X 410 fluid sections are also listed (2430087A, 2430171A for the high rider). Different part numbers per model are the reason to order from your own diagram page.
Whether an assembly is better value than a kit depends on how much is worn, which only you can see once it is open. Titan says the tool-free fluid section on the Impact X changes in minutes with just your hands (Titan lists MaxFX No Tools Fluid Section on these models), which makes swapping a whole section a realistic option in the field. We cannot say which of your parts are worn without seeing them.
Kits and fluid section parts for the Impact X. Confirm which model each fits on the diagram page.
−8%
Balls, seats, cage, O-rings and piston guide.
The same pump layout with the piston rod and rod assembly.
The 410 pump layout and foot valve housing.
How to decide
One visible cause means one part. A pump symptom means a kit that matches it. A scored rod or several worn pump parts may mean a whole fluid section. When the diagrams list more than one choice, ask us on (713) 931-0006 which one covers your fault.
Unsure whether it is a part or a kit?
Call our parts team on (713) 931-0006 with your model, serial number and the symptom.
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