Part 0555007 is a clutch rotor used in the centrifugal clutch assembly of compatible sprayers. It is the driven component that engages with clutch shoes to transmit power from the engine to the pump. A worn or damaged rotor can cause slippage, loss of power transmission, and erratic operation. Replacing it restores positive engagement and reliable pump drive.
| Part Number | 0555007 |
|---|---|
| Part Description | Clutch Rotor |
| Brand | Advantage / PowrLiner / Speeflo / SprayTech |
| Fits | Advantage GPX 85; PowrLiner 2850; Speeflo PowrLiner 1800M / 2800M; SprayTech GPX 85 |
| Condition | New |
The 0555007 Clutch Rotor is a key component of the centrifugal clutch system on compatible gas‑powered sprayers. It is mounted on the pump input shaft and is driven by clutch shoes attached to the engine. When engine RPM increases, the shoes expand and contact the inner surface of the rotor, transferring torque to the pump.
Over time, the rotor's friction surface can wear, become glazed, or develop grooves, reducing grip and causing slippage. A worn rotor may also produce excessive heat, leading to premature failure of clutch shoes or bearings. Replacing the rotor with genuine part 0555007 restores positive engagement, consistent power delivery, and extends clutch life.
| Power transmission | Receives torque from clutch shoes to drive the pump |
|---|---|
| Engagement surface | Provides a friction surface for smooth engagement and disengagement |
| Heat dissipation | Helps dissipate heat generated during clutch operation |
| Slippage | Engine revs but pump speed drops; clutch fails to engage fully |
|---|---|
| Visible wear | Grooves, scoring, or glazing on the friction surface |
| Heat damage | Blue discoloration, warping, or cracks from overheating |
| Noise / vibration | Chattering or grinding during engagement |
Part 0555007 is compatible with the following models. Always confirm fitment with your equipment's parts manual.
| Brand | Model |
|---|---|
| Advantage | GPX 85 |
| PowrLiner | 2850 |
| Speeflo PowrLiner | 1800M |
| Speeflo PowrLiner | 2800M |
| SprayTech | GPX 85 |
When replacing the clutch rotor, inspect these associated components to ensure a complete repair.
Shoes wear against the rotor; replace if friction material is thin or uneven.
Weak springs can cause engagement issues; replace if stretched or corroded.
Support the rotor shaft; replace if rough or noisy.
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