This cabin rotary throttle potentiometer OEM No.T0412-07131, interchangeable cross part EC100B, equipped with integrated square waterproof plug, standard linear analog signal output, origin China. It acts as manual speed adjusting core component installed inside equipment operation cabin, accurately adjust engine fuel supply by rotating knob to control working rotational speed. All orders will be dispatched within 1 to 7 working days after payment confirmation.
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Interchange OE Numbers | T0412-07131, EC100B |
| Product Type | Excavator Cab Rotary Throttle Control Potentiometer With Square Plug |
| Matching Equipment | Medium Size Construction Digging Machinery |
| Matching System | Electronic Controlled Diesel Engine Speed Regulation System |
| Signal Output Mode | 0–5kΩ Linear Continuous Analog Feedback Signal |
| Plug Configuration | Integrated Square Waterproof Locking Connector |
| Control Form | Manual Rotary Knob Carbon Film Sensing Control |
| Installation Position | Equipment Operation Cabin Instrument Panel Fixed Mount |
| Fixing Method | 4-Hole Integral Flange Bolt Mount |
| Origin | China |
| Delivery Cycle | Ship within 1-7 working days after payment |
| Application Scenarios | Urban Foundation Excavation, Rural Construction, Small Quarry Earthmoving, Residential Demolition Work |
| Warranty Term | 6 Months Warranty Under Normal Medium Load Operation Condition |
| Export Packaging | Neutral Color Carton + Shockproof EPE Foam Separate Single Pack |
| Sample Support | Single Sample Available, Factory Can Provide Rotation Stroke & Signal Linearity Test Report |



| Series 1 PN | Series 2 PN | Universal Spare Part Numbers |
|---|---|---|
| 20Y-43-41780 | 331/30884 | 4520781 |
| 22U-06-22420 | 331/30885 | 4581230 |
| 22U-06-22380 | 331/30886 | 4601592 |
| 782-5301-301 | 701/80284 | 4632710 |
| 782-5301-302 | 701/80285 | 4678921 |
| 7824-30-1600 | 11S-49 | 4756890 |
| 7825-30-1301 | 60117463 | 4721563 |
| 7825-30-1302 | 60117463LM | 4739125 |
| 7861-92-4130 | 60117464 | 4772106 |
| 7861-92-4131 | 60117464 | 4789321 |
| 20Y-43-41800 | 300661-00004A | 212-7890 |
| 708-2H-25053 | 21Q6-20820 | 214-5620 |
| 708-2H-25240 | 702-21-07010 | 0419-9903 |
| 702-21-07311 | 332/G0912 | 0419-9903 |
| 702-21-07610 | 60117466 | 223-8181 |
| 702-21-57400 | YQ05.251.049 | 224-2092 |
| 585-9230 | YN20S00003F1 | 225-0300 |
| 627-2304 | 7820-30-1700 | 253-3809 |
| 585-9231 | 4791230 | 231-8194 |
| 702-21-58100 | 403-0363 | 198-6528 |
| 702-21-57500 | 485-5747 | 328-4314 |
| 702-21-60700 | 375-4414-02 | 384-3892 |
| 714-07-16730 | 485-9850-03 | 485-5747 |
| 201-0950 | 485-9850-03 | 491-0908 |
| 25/220804 | 491-0908 | 553-5204 |
| 25/220994 | 25/220804 | 25/220994 |
| 31Q6-20131 | 25/220994 | 31Q6-91220 |
| 31Q6-91720 | 31Q6-20131 | 086-1879 |
| 086-1879 | 31Q6-91220 | 31765-FC000 |
| 31765-FC000 | 086-1879 | 053400-0745 |
| 053400-0745 | 31765-FC000 | 419-15-47221 |
| 419-15-47221 | 053400-0745 | KDRDE5K-20/40C04 |
| KDRDE5K-20/40C04 | 419-15-47221 | 31Q6-91720 |
| 31Q6-91720 | KDRDE5K-20/40C04 | 25/220804 |
| 25/220804 | 31Q6-91720 | 25/974628 |
| 25/974628 | 25/220804 | 4I-5674 |
| 4I-5674 | 25/974628 | 096-5945 |
| 096-5945 | 4I-5674 | 111-9916 |
| 111-9916 | 096-5945 | 111-9100 |
| 111-9100 | 111-9916 | 56D-15-35220 |
| 56D-15-35220 | 111-9100 | DRE2K-X5-937-16 |
| DRE2K-X5-937-16 | 56D-15-35220 | 121-1490 |
| 121-1490 | DRE2K-X5-937-16 | 121-1491 |
| 121-1491 | 121-1490 | 708-2H-25053 |
| 708-2H-25053 | 121-1491 | 708-2H-25240 |
| 708-2H-25240 | 708-2H-25053 | 708-2H-26913 |
| 708-2H-26913 | 708-2H-25240 | 198-4607 |
| 198-4607 | 708-2H-26913 | 195-9700 |
| 195-9700 | 198-4607 | 186-1526 |
| 186-1526 | 195-9700 | 129-1525 |
| 129-1525 | 186-1526 | 154-3685 |
| 154-3685 | 129-1525 | 154-3064 |
| 154-3064 | 154-3685 | 165-4026 |
| 165-4026 | 154-3064 | 125-4653 |
| 125-4653 | 165-4026 | 25222657 |
| 25222657 | 125-4653 | 21W-60-42130 |
| 21W-60-42130 | 25222657 | VOE600253 |
| VOE600253 | 21W-60-42130 | 708-2H-35399 |
| 708-2H-35399 | VOE600253 | 139-3990 |
| 139-3990 | 708-2H-35399 | 20Y-60-22120 |
| 20Y-60-22120 | 139-3990 | 125-5774 |
| 125-5774 | 20Y-60-22120 | 121-1491 |
| 121-1491 | 125-5774 | 89998GT |
| 89998GT | 121-1491 | 094040-0081 |
| 094040-0081 | 89998GT | 118872A1 |
| 118872A1 | 094040-0081 | 180584A1 |
| 180584A1 | 118872A1 | 181147A1 |
| 181147A1 | 180584A1 | 4366960 |
| 4366960 | 181147A1 | 770-924 |
| 770-924 | 4366960 | 294200-2760 |
| 294200-2760 | 770-924 | KHR1429 |
| KHR1429 | 294200-2760 | 719753 |
| 719753 | KHR1429 | 9314145 |
| 9314145 | 719753 | 9312792 |
| 9312792 | 9314145 | 21EN-32340 |
| 21EN-32340 | 9312792 | 4608380 |
| 4608380 | 21EN-32340 | KP56RM2G-019 |
| KP56RM2G-019 | 4608380 | 4360509 |
| 4360509 | KP56RM2G-019 | 6008156650 |
| 6008156650 | 4360509 | YN20S00002F1 |
| YN20S00002F1 | 6008156650 | 319-0607 |
| 319-0607 | YN20S00002F1 | 247-5212 |
| 247-5212 | 319-0607 | 3E-3748 |
| 3E-3748 | 247-5212 | T0412-07131 |
| No. | Question | Answer |
|---|---|---|
| Q1 | Which interchange part number matches T0412-07131 rotary throttle knob? | EC100B is fully interchangeable, same square plug pinout, rotation angle and resistance signal curve, direct replacement without harness modification. Made in China, full stock available, ship within 1-7 working days. |
| Q2 | After installing T0412-07131, equipment speed surges randomly during operation? | Internal carbon film resistance strip wears unevenly, unstable analog signal sent to controller leads to speed fluctuation, the whole potentiometer assembly needs replacement. |
| Q3 | Can this square plug rotary knob match large heavy mining equipment? | Not interchangeable, heavy mining machines adopt multi-pin round plug throttle potentiometer with different mounting size and signal range, incompatible with this square compact plug model. |
| Q4 | What are core unique advantages of this domestic T0412-07131 speed control knob? | Fully consistent with OEM square plug and mounting dimension, IP64 dustproof and oil mist resistant sealing, long service life for frequent manual adjustment, cost-effective, stable delivery within 1-7 working days for global buyers. |