0551531 Pump Lock is a genuine OEM replacement pump lock mechanism for Titan airless sprayers. This component secures the pump in a locked position during transport, storage, or servicing, preventing unintended movement or accidental startup. A worn, broken, or missing pump lock can allow the pump to move freely, potentially causing damage or safety hazards. Replacing the pump lock restores proper pump immobilization and safe handling of the sprayer.
| Part Number | 0551531 |
|---|---|
| Part Description | Pump Lock (pump securing mechanism) |
| Brand | Titan |
| Fits | Impact 410; Advantage 400; SprayTech Airless Advantage EPX2155; SprayTech Airless EPX2155; RentSpray 400 |
| Condition | New |
The Titan 0551531 Pump Lock is a mechanical securing device that locks the pump assembly in a fixed position. It is used during transport, storage, or service procedures to prevent unintended movement of the pump, which could lead to damage or personal injury. The pump lock typically engages with the pump housing or connecting rod to immobilize the reciprocating components.
Over time, pump locks can become bent, broken, or lost. A missing or damaged pump lock may allow the pump to drift or move unexpectedly, causing misalignment during reassembly or safety hazards during maintenance. Replacing the pump lock with an OEM component ensures proper function and safe operation of the sprayer.
| Pump immobilization | Secures pump in a fixed position during transport or service |
|---|---|
| Safety | Prevents unexpected pump movement that could cause injury |
| Service aid | Holds pump steady for disassembly or reassembly |
| Bent or twisted lock | Lock does not engage or release smoothly |
|---|---|
| Broken lock | Lock is cracked, missing pieces, or completely broken |
| Missing lock | Previous service lost the pump lock; replace immediately |
| Does not secure pump | Lock engages but pump still moves |
Part 0551531 is the OEM pump lock for the following Titan sprayer models. Always verify with your machine's parts diagram.
| Brand / Model | Component |
|---|---|
| Impact 410 | Pump Lock |
| Advantage 400 | Pump Lock |
| SprayTech Airless Advantage EPX2155 | Pump Lock |
| SprayTech Airless EPX2155 | Pump Lock |
| RentSpray 400 | Pump Lock |
When replacing the pump lock, inspect or replace these related components.
The lock typically engages the connecting rod; inspect for wear or damage.
Screws or pins that hold the lock in place; replace if lost or damaged.
Check the mounting points for cracks or deformation.
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