

Part number 424-273 is a Spring used in PowrLiner 4000, 5000, and 6000 line stripers. This spring provides necessary tension for mechanical functions such as clutch engagement, brake actuation, or component return. Replacing a worn, stretched, or broken spring restores proper mechanical operation and ensures reliable performance.
| Part Number | 424-273 |
|---|---|
| Part Description | Spring |
| Brand | PowrLiner |
| Fits | PowrLiner 4000, 5000, 6000 |
| Condition | New |
The 424-273 Spring is a precision‑engineered replacement spring used in PowrLiner 4000, 5000, and 6000 line stripers. It is typically employed in mechanical systems requiring calibrated tension, such as clutch engagement, brake actuation, throttle return, or latch mechanisms.
Springs are critical for proper machine function, providing the force needed to return components to their resting position, maintain tension on cables, or engage drive systems. Over time, springs can become stretched, weakened, or broken due to fatigue, corrosion, or overstress. A failed spring can lead to improper operation, safety issues, or complete machine malfunction. Replacing a worn or damaged spring restores proper mechanical function and ensures reliable performance.
| Mechanical tension | Provides calibrated force for clutch, brake, or return mechanisms |
|---|---|
| Component actuation | Engages or disengages mechanical systems |
| Position return | Returns levers, pedals, or other parts to resting position |
| Stretched / weakened | Spring has lost tension, causing improper operation |
|---|---|
| Broken | Spring is fractured or separated |
| Corroded | Rust or chemical damage weakens the spring |
| Missing | Spring absent during inspection; always replace |
Part number 424-273 is compatible with the following PowrLiner models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| PowrLiner Model | Component |
|---|---|
| PowrLiner 4000 | Spring |
| PowrLiner 5000 | Spring |
| PowrLiner 6000 | Spring |
When replacing a spring, these components are often inspected or replaced at the same time to ensure complete mechanical system reliability.
Worn pins can cause improper spring alignment; inspect and replace if necessary.
Check for fraying or binding that could affect spring function.
Proper lubrication of moving parts extends spring life.