SprayTech part 0508939 is a gun pin kit used to repair the trigger or pivot mechanism on the spray gun for compatible SprayTech Airless sprayers. This kit includes the pivot pin and any associated retaining rings or bushings needed to restore smooth trigger action and positive gun operation. A worn, bent, or missing gun pin can cause trigger slop, difficulty actuating, or unsafe gun behavior. Replacing with this OEM kit restores proper trigger feel and reliable spray gun function.
| Part Number | 0508939 |
|---|---|
| Part Description | Kit, Pin, Gun |
| Brand | Titan |
| Fits |
SprayTech Airless EP2105, EP2205 |
| Condition | New |
The SprayTech 0508939 Gun Pin Kit is a genuine OEM repair kit that includes the pivot pin and associated hardware for the spray gun trigger or safety latch mechanism on SprayTech Airless EP2105 and EP2205 sprayers. The pin is a critical component that allows smooth, consistent trigger movement.
Over time, gun pins can wear oval, become bent, or be lost during maintenance. A damaged or missing pin causes trigger slop, erratic actuation, or a stuck trigger – all of which affect spray control and operator safety. Replacing with the complete OEM kit restores positive trigger feel, precise control, and reliable gun operation.
| Pivots the trigger | Provides smooth rotation for trigger actuation |
|---|---|
| Safety latch pivot | Allows safety mechanism to engage/disengage |
| Maintains alignment | Keeps trigger and safety components correctly positioned |
| Prevents play | Eliminates side‑to‑side trigger wobble |
| Loose or wobbly trigger | Excessive side play or sloppy feel |
|---|---|
| Trigger binds or sticks | Pin bent or corroded |
| Visible pin wear | Grooves, flat spots, or bending |
| Missing retaining clip | Pin can fall out during operation |
SprayTech part 0508939 is a direct OEM replacement gun pin kit for the following models. Always verify with your machine's parts diagram.
| Model | Component |
|---|---|
| SprayTech Airless EP2105 | Gun pin kit |
| SprayTech Airless EP2205 | Gun pin kit |
When replacing the gun pin, inspect these associated components.
Check for cracks or wear in the trigger itself.
Ensure the safety mechanism moves freely and engages fully.
Inspect pivot holes for elongation or damage.
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