To help engineers and procurement professionals quickly locate genuine OTC Daihen welding machine and robot consumables and internal components, we have compiled a universal spare parts list covering models from 4739-175 to C0097C00 (This page contains a massive range of transformers, reactors, fan motors, control PCBs, and various basic components).
1. OTC Welder Spare Parts List Quick Search (4739-175 – C0097C00)
This list contains hundreds of original electronic control and structural spare parts. You can directly input the Part Number or Part Name (e.g., “Motor”, “Transformer”, “PCB”) in the search box below, and the table will automatically filter the required parts for you:
| Part Number | Part Name | Remarks |
|---|---|---|
| 4739-175 | M*35 Pan Head Bolt | |
| 4739-176 | M4 Hexagon Nut | |
| 4739-182 | Check Valve | |
| 4739-258 | Magnetic Core | GRI-17.5-28.5-10.7 |
| 4739-270 | Insulation Sleeve | |
| 4739-278 | Flame-Retardant Rubber Foot | RK-26 |
| 4739-33 | Terminal Post | T-375 12mm(BLACK) |
| 4739-331 | Terminal Post | T-375 12mm(BLACK) |
| 4739-355 | Connector | |
| 4739-358 | Ferrite Core | |
| 4739-369 | Switch | 42C00951 |
| 4739-472 | Magnetic Ring | |
| 4739-474 | Rubber Plug | |
| 4739-475 | Flame-Retardant Rubber Foot | C-30-RK-3220 |
| 4739-476 | Rubber Cap | W-W02814 |
| 4739-480 | Nut | |
| 4739-494 | Wire Spool Shaft | |
| 4739-497 | Toroidal Core | PL-7 UR5575S |
| 4739-504 | Terminal Block | TB10-01-6P ROHS |
| 4739-505 | Terminal Block | TB10-01-12P ROHS |
| 4739-507 | Rubber Washer | |
| 4739-516 | Caster | 250PF-050025-02SR |
| 4739-519 | Diode | D2SBA60-7000 |
| 4739-533 | Magnetic Ring | Changed to 100-2314 |
| 4739-538 | Plastic Cover (Blue) | 15X1.5X15 (L) |
| 4739-540 | Connector | B-1100-1 |
| 4739-543 | Toroidal Core | E04RA310190100 |
| 4739-549 | Water Hose Connector | |
| 4739-550 | Water Hose Connector | |
| 4739-572 | Spring Latch | C-23-1 AFA-4001 34H10097 |
| 4739-579 | Filter | ZCAT3035-1330 |
| 4739-589 | Hann24 Connector | |
| 4739-590 | Hann24 Housing | |
| 4739-591 | Contact | |
| 4739-592 | Guide Pin | |
| 4739-593 | Guide Bushing | |
| 4739-596 | Ferrite Core | B-6-22B |
| 4739-603 | Flame-Retardant Rubber Plug | C-30-SG-14A |
| 4750-077 | Push Button Switch | A2A-4R |
| 4800-005 | Motor | W-W02646A(100V 160W) |
| 4801-002 | Travel Motor | |
| 4801-201 | DC Motor | W-30414 |
| 4801-202 | Motor | |
| 4801-504 | Motor | W-W00402 48A01024(W) |
| 4802-004 | Wire Feed Motor | |
| 4802-005 | Motor | |
| 4802-006 | Motor | PMEE-12CBB (75W) 48A20014 |
| 4802-106 | Printed Motor | |
| 4802-206 | Motor | KSV5035/755 NO.941181-05 |
| 4802-207 | Electric Motor | KSV5035/758 48A80557 W |
| 4804-001 | DC Motor | W-31642 |
| 4805-002 | Fan | Changed to: 100-0082 |
| 4805-008 | Fan Motor | |
| 4805-027 | Axial Fan | 4715MS-20T-B50-B18 |
| 4805-034 | Motor | |
| 4805-043 | Blower | BP-20S2-30C DT |
| 4805-046 | Fan | |
| 4805-048 | Fan | |
| 4805-067 | Fan | CY4521 Changed to: K5825C00 |
| 4805-074 | Fan | 4715SL-05W-B60-D00 |
| 4805-080 | Fan Motor | |
| 4805-311 | Cooling Fan | |
| 4806-103 | Carbon Brush | 5X10X10/13 |
| 4806-111 | Carbon Brush | 5X10X15/18 |
| 4806-121 | Carbon Brush | 6X6X20 Length 56 |
| 4806-123 | Carbon Brush | 5X10X15 Length 54 SWT-24 |
| 4806-124 | Carbon Brush | |
| 4806-206 | Carbon Brush | |
| 4810-030 | Current Transformer | W-W03029 41A40013 |
| 4810-035 | Coil | W-W00216 |
| 4810-036 | Current Transformer | W-W00278 |
| 4810-117 | Auxiliary Transformer | |
| 4810-124 | Auxiliary Transformer | |
| 4810-125 | Auxiliary Transformer | |
| 4810-164 | Auxiliary Transformer | For abnormal voltage |
| 4810-178 | Auxiliary Transformer | TRA-500 41A03155 |
| 4810-224 | Auxiliary Transformer | |
| 4810-229 | Auxiliary Transformer | W-W02233 DT |
| 4810-230 | Auxiliary Transformer | W-W02234A |
| 4810-246 | Auxiliary Transformer | |
| 4810-266 | Auxiliary Transformer | |
| 4810-269 | Transformer | |
| 4810-270 | Auxiliary Transformer | W-W02352 |
| 4810-283 | Transformer | |
| 4810-285 | Reactor | W-W02446B |
| 4810-374 | Transformer | |
| 4810-407 | Auxiliary Transformer | |
| 4810-410 | Auxiliary Transformer | |
| 4810-413 | Auxiliary Transformer | W-W05040 |
| 4810-442 | Auxiliary Transformer | |
| 4810-804 | Auxiliary Transformer | |
| 4810-916 | Auxiliary Transformer | |
| 4811-006 | Current Transformer | W-W00216 |
| 4813-001 | Solenoid Valve | W-L00120 AB2X0018-S DC25V |
| 4813-002 | Solenoid Gas Valve | |
| 4813-046 | Solenoid Gas Valve | TYPE5511(5510) DC24V |
| 4813-048 | Solenoid Valve | DC24V SAV-J540-747 |
| 4813-055 | Solenoid Valve | |
| 4813-102 | Solenoid Valve | |
| 4813-205 | Filter | W-W02469 Pressure Adjustment |
| 4814-009 | Printed Circuit Board (PCB) | SPEC6645 |
| 4814-036 | High-Frequency Generator | W-W02441B (Gap) |
| 4814-047 | Switching Regulator | ZWS30-5J 30W5V 48B01474 |
| 4814-049 | Switching Power Supply | |
| 4815-002 | Battery | CR2032 |
| 4819-046 | Solenoid Valve | TYPE5510DC24V |
| 5091-305 | Recovery Hose (6M) | W-W02139 (OD 55mm ID 38mm) |
| 5091-306 | Combustive Agent Recovery Nozzle | |
| 5096-450 | Motor | TC-3020400 Torch Cleaner |
| 5096-620-R | AC Servo Motor | W-L01788 |
| 5096-655 | Teach Pendant Lamp Tube | |
| 6*11 | Cooling Water Tank | |
| 604072 | Pump for WB-P500L Integrated Type (P30089) | |
| 6100-052 | Varistor | TND14V-911KB0LLAA0 |
| 6200-006 | Miniature Bearing | NO.635ZZ |
| 630V105 | Film Capacitor | CBB21-II-630V-105J-P27.5 (Pin 40±2mm) |
| 6G10A250V | Fuse | |
| 6X11 | Tetoron Hose | |
| A2A-4R | Inching Switch | For DP400 Remote Box |
| AM0000-03010 | Wire Feed Roll (High Current) | D0B0559-1 |
| BE-07703 | Height Detector A-Type w/ 1 Wheel | |
| BE9001-1 | A-Type Wheel | |
| BL160 | Welder Handle | |
| BQ0001 | Lower Baffle for XD500S (Sticker) | |
| BQ0005 | Label / Sticker | |
| BQ0008 | Upper Cover for XD500S (Sticker) | |
| BQ0019 | Left/Right Side Panel for XD500S (Sticker) | |
| BQ0063 | Lower Baffle for XD500S (Sticker) | |
| BQ0128 | Lower Baffle for XD500S (Sticker) | |
| BT084001 | Filter | |
| BW0311 | Spherical Joint / Ball Joint | |
| BW0340 | Safety Switch | |
| BX0020 | Switch | |
| C0005C00 | DC Reactor | C0005C00 |
| C0010J00 | Crank Handle | |
| C0011K00 | Crank Handle | |
| C0014B00 | Three-Phase Transformer | C0014B00 |
| C0014C00 | Balancing / DC Reactor | C0014C00 |
| C0015C00 | Balancing / DC Reactor | C0015C00 |
| C0015K00 | Remote Controller | |
| C0015P00 | Printed Circuit Board (PCB) | |
| C0029B00 | Transformer | |
| C0029C00 | Balancing DC Reactor | |
| C0029E01E | Rear Panel | |
| C0029G02 | Left Bottom Bracket | |
| C0029G04 | Left Side Panel | |
| C0029J02 | Insulation Plate | |
| C0029J04 | Water Hose | |
| C0029K00 | Remote Controller | C0029K00 MRHP-315 |
| C0029M00 | High-Frequency Arc Starter | |
| C0029P00 | Printed Circuit Board (PCB) | C0029P00 OTCM |
| C0029Q00 | Water Return Assembly | |
| C0029T02 | Wire Harness | |
| C0029V00 | Printed Circuit Board (PCB) | C0029V00 OTCM |
| C0045B00 | Three-Phase Transformer | |
| C0045C00 | Balancing Reactor | |
| C0045C00B | Balancing Reactor | C0045C00B |
| C0045D00 | Reactor | |
| C0045G01 | Base Bracket (with Right Roller) | |
| C0045G02 | Base Bracket (with Left Roller) | |
| C0045G05A | Right Panel | |
| C0045G12 | Lower Baffle for XD600G | |
| C0045K00 | Remote Controller | C0045K00 CPXDG-600 |
| C0045P00 | Printed Circuit Board (PCB) | C0045P00 OTCM |
| C0045Q00 | Printed Circuit Board (PCB) | C0045Q00 OTCM |
| C0045V00 | Filter Inductor | |
| C0045X00 | Integrated Circuit (IC) | |
| C0049B00 | Three-Phase Transformer | XD-500(380V) |
| C0049C00 | Balancing Reactor | |
| C0049D00 | DC Reactor | |
| C0049G01 | Base Bracket (with Right Roller) | |
| C0049G02 | Base Bracket (with Left Roller) | |
| C0049G06 | Right Panel | |
| C0049G06B | Right Side Panel | |
| C0049G07 | Left Panel | |
| C0049G07B | Left Side Panel | |
| C0049G08A | Front Panel | |
| C0049G10 | Lower Baffle | |
| C0049H01A | Display Panel | |
| C0049P00 | Printed Circuit Board (PCB) | C0049P00 OTCM |
| C0049R01E | Rear Panel for XD500 | |
| C0049T00 | Wire Harness | |
| C0049X00 | Integrated Circuit (IC) | |
| C0053B00 | Three-Phase Transformer | XD-350 |
| C0053K00 | Remote Controller | C0053K00 CPXD-350 |
| C0053P00 | Printed Circuit Board (PCB) | C0053P00 OTCM |
| C0053U00 | Inductor | |
| C0053V00 | Filter | |
| C0053X00 | Integrated Circuit (IC) | C0053X XD-350(380V) |
| C0055V00 | Filter Inductor | C0055V00 |
| C0057B00 | Main Transformer | |
| C0057C00 | Balancing / DC Reactor | C0057C00 |
| C0057K00 | Remote Controller | C0057K00 CPXD-200 |
| C0057P00 | Printed Circuit Board (PCB) | C0057P00 OTCM |
| C0057X00 | Integrated Circuit (IC) | |
| C0076B00 | Transformer | |
| C0076C00 | DC Reactor | |
| C0076F01A | Upper Front Panel for C-70 | |
| C0076G05 | Lower Front Panel for C-71 | |
| C0076P00 | Printed Circuit Board (PCB) | C0076P MRCT-70(OTCM) |
| C0076P00B | Printed Circuit Board (PCB) | C0076P00B |
| C0076U00 | Power Supply Unit | |
| C0097C00 | Reactor |
2. Purchasing Original Parts & Technical Support
The items listed above are standard consumable parts for OTC equipment. If your required spare part is not included in the list, please provide us with the equipment nameplate or photos of the part. As an authorized distributor, we promise to provide 100% genuine original parts with professional technical guidance from our maintenance engineers to ensure perfect compatibility.
Contact Us for Inquiries & Support
- Global Sales & Tech Support: International Sales Team
- 24/7 Service Hotline (WhatsApp & WeChat Same No.): +86-180-9663-1656
- Official Email: ahojotc@gmail.com
Please copy the "Part Number" you need and send it to us via WhatsApp or Email. We will provide you with real-time pricing and inventory status as quickly as possible!


