It is installed inside operation cab to adjust engine working speed of EC210B excavator.It can directly replace the original throttle knob with signal failure or rotation malfunction.
| Specification | Information |
|---|---|
| Product Name | Excavator Throttle Knob Potentiometer |
| OEM Reference No. | 14542152 |
| Fitment | EC210B Excavator Cab Engine Speed Control System |
| Brand | ZVEZDA |
| Condition | 100% Brand New |
| Origin | Guangdong, China |
| Type | Excavator Electrical Replacement Component |
| Connector | Dual Black Plug With Wiring Harness |
| Mounting Structure | Double-hole Metal Fixed Bracket |
| Shipping Time | Dispatched within 1–7 working days post payment |
| Package | Standard Neutral Carton / Custom Branded Packing |




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| No. | Question | Answer |
|---|---|---|
| Q1 | Which excavator model does this throttle knob fit? | This throttle potentiometer is specially suitable for EC210B excavator. |
| Q2 | Is rewiring required during installation? | No rewiring needed, the plugs match the original vehicle harness perfectly. |
| Q3 | What kind of mounting bracket is equipped? | It is equipped with double-hole metal bracket for bolt fixed installation. |
| Q4 | What failure symptoms can this part solve? | It can fix engine speed jitter and unadjustable speed caused by broken original knob. |
| Q5 | Will continuous rotation cause unstable signal? | All products pass long-time rotation aging test to maintain steady signal output. |
| Q6 | What should I check first if speed adjustment does not work? | Please check whether two plugs are fully inserted and locked tightly. |
| Q7 | How long can I receive goods after payment? | Goods will be arranged to ship within 1–7 working days after payment confirmation. |
| Q8 | Can you offer customized outer package for bulk order? | Standard neutral packing is used, customized branded packing is available for large orders. |
| Q9 | Can I buy one piece first for quality test? | Yes, single-piece sample order is supported for quality inspection. |