21Q6-20800 Cat Excavator Parts Electrical Replacement Component Knob
Price:
Please send mail or Whatsapp
MOQ:
1 Piece
Delivery Time:
Negotiable
Brand:
ZVEZDA
Product Description
21Q6-20800 Engine Speed Adjustment Knob For Excavator Cab
It is installed inside operation cab to adjust engine working speed of old R9 excavator.It can replace aged original throttle knob with slow response and unstable signal.
Product Details
| Specification | Information |
|---|---|
| Product Name | Excavator Throttle Knob Potentiometer |
| OEM Reference No. | 21Q6-20800 |
| Fitment | Old R9 Series Excavator Cab Engine Speed Control System |
| Brand | ZVEZDA |
| Condition | 100% Brand New |
| Origin | Guangdong, China |
| Type | Excavator Electrical Replacement Component |
| Connector | 4-Wire Single Black Plug |
| Mounting Structure | Dual-ear Plastic Fixed Base |
| Shipping Time | Dispatched within 1–7 working days post payment |
| Package | Standard Neutral Carton / Custom Branded Packing |
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Frequently Asked Questions
| No. | Question | Answer |
|---|---|---|
| Q1 | Which excavator models does this throttle knob fit? | This throttle potentiometer is specially designed for old version R9 series excavator. |
| Q2 | How many wires does the integrated plug contain? | It is equipped with a 4-wire single black plug to connect original wiring harness. |
| Q3 | Can this knob be interchanged with new R9 throttle knob? | The appearance and installation size are different, it only fits old R9 model. |
| Q4 | Is wiring modification required during installation? | No cutting or rewiring required, plug size conforms to OEM specification. |
| Q5 | What mounting structure does this potentiometer adopt? | It uses dual-ear plastic base for bolt fixing on the operation panel. |
| Q6 | Will long-term rotation lead to signal attenuation? | Every finished product passes continuous rotation aging test before delivery. |
| Q7 | What to check if speed adjustment does not work after installation? | Please confirm the plug is fully locked and check whether wiring harness is damaged. |
| Q8 | Can I order single sample for function test first? | Yes, single-piece sample order is supported, goods will be shipped after payment confirmation. |
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Get in Touch
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Company
Guangzhou Qichao Machinery Parts Co., Ltd.
Location
825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
Contact Person
Sales