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 4403-104 to 4519-036 (This page contains a massive range of core electrical components, such as resistors, capacitors, potentiometers, ammeters, shunts, and filters).
1. OTC Welder Spare Parts List Quick Search (4403-104 – 4519-036)
This list contains hundreds of original electronic control and structural spare parts. You can directly input the Part Number or Part Name (e.g., “Resistor”, “Capacitor”, “Potentiometer”) in the search box below, and the table will automatically filter the required parts for you:
| Part Number | Part Name | Remarks |
|---|---|---|
| 4403-104 | Shunt | KSR-17A |
| 4403-106 | Shunt | KY600A 600A/60MV |
| 4403-116 | Shunt | KY400A 400A/60MV |
| 4403-119 | Ammeter (400A) | |
| 4403-122 | Shunt | KY600A 600A/60MV |
| 4403-127 | Ammeter | |
| 4403-128 | Shunt | |
| 4403-130 | Ammeter | |
| 4403-132 | Shunt | SH 600A/60MV 44A80098 |
| 4403-133 | Ammeter | TRM-60 DC400A/60MV |
| 4403-134 | Shunt | SH400A 400A/60MV |
| 4403-135 | Ammeter | |
| 4404-001 | Speedometer | W-31363A |
| 4404-002 | Speedometer | |
| 4404-005 | Speedometer | FS1MA 44A40427 |
| 4406-009 | Current Sensor | HA400S3EH |
| 4406-012 | Hall Sensor | |
| 4406-017 | Hall Sensor | L03S400D15 (OTCM) |
| 4500-125 | Metal Oxide Film Resistor | |
| 4501-002 | Potentiometer | |
| 4501-003 | Potentiometer | |
| 4501-004 | Potentiometer | |
| 4501-006 | Potentiometer | |
| 4501-012 | Potentiometer | |
| 4501-013 | Potentiometer | |
| 4501-031 | Potentiometer | |
| 4501-032 | Potentiometer | |
| 4501-036 | Carbon Film Potentiometer | RV24YN20SB 100kΩ |
| 4501-039 | Potentiometer | RV24YN20SB 5KΩ |
| 4501-042 | Carbon Film Potentiometer | RV24YN20SB 100kΩ |
| 4501-043 | Carbon Film Potentiometer | RV24YN20SB 2kΩ |
| 4501-044 | Carbon Film Potentiometer | RV24YN20SB 300kΩ |
| 4501-113 | Capacitor | |
| 4501-211 | Potentiometer | RV24YN20SB 50kΩ |
| 4501-217 | Variable Carbon Film Resistor | RV24YN20FB104 |
| 4501-305 | Resistor | RV24YN20FB 5KΩ DT |
| 4501-306 | Potentiometer | RV24YN20SB 500Ω |
| 4501-307 | Variable Resistor | RV24YS3 20FB 5kohm |
| 4504-107 | Wirewound Resistor | |
| 4504-203 | Wirewound Resistor | |
| 4504-256 | Resistor | |
| 4504-318 | Parallel Wirewound Resistor | |
| 4504-325 | Flat Wirewound Resistor | NCRF 24V 20ΩJ |
| 4504-333 | Resistor | NCRF23V 200ΩG |
| 4504-339 | Flat Wirewound Resistor | NCRF 24V 1.2Ω |
| 4504-411 | Wirewound Resistor | NCRF24V 30ΩJ |
| 4504-413 | Resistor | |
| 4504-414 | Resistor | |
| 4504-415 | Resistor | |
| 4504-422 | Wirewound Resistor | |
| 4504-503 | Resistor | GG80W 200ΩJ DT |
| 4504-603 | Resistor | GG 100W 10Ω |
| 4504-606 | Wirewound Resistor | GG100W 120ΩJ |
| 4504-704 | Resistor | 45A33149 |
| 4505-202 | Resistor | |
| 4505-203 | Wirewound Potentiometer | |
| 4505-205 | Resistor | |
| 4505-333 | Resistor | NCRF22V 80 OHM J |
| 4505-334 | Resistor | |
| 4505-502 | Wirewound Resistor | GRG80 3ΩJ 45A30171 |
| 4505-503 | Wirewound Resistor | |
| 4505-825 | Cement Resistor | |
| 4505-852 | Wirewound Resistor | |
| 4505-853 | Wirewound Resistor | GRG200 5ΩJ 45A30137 |
| 4505-923 | Resistor | |
| 4508-003 | Resistor | |
| 4508-008 | Metal Oxide Film Resistor | RS3B 100kΩJ |
| 4508-015 | Carbon Film Resistor | Changed to 4509-704 |
| 4508-016 | Carbon Film Resistor | RD1W 200kΩJ |
| 4508-104 | Carbon Film Resistor | 1/2W 100kΩJ |
| 4508-121 | Resistor | 45A02031 RD1/2W 10ΩJ-TP |
| 4508-126 | Resistor | 45A09650 K |
| 4508-306 | Carbon Film Resistor | RD1S 200kΩ |
| 4508-309 | Carbon Film Resistor | CFS1/4CT52A102J |
| 4508-317 | Carbon Film Resistor | |
| 4508-422 | Carbon Film Resistor | 1/2W 100ΩJ |
| 4509-007 | Metal Oxide Film Resistor | RS3B 30ΩJ |
| 4509-018 | Small Metal Oxide Film Resistor | MOS2C511J |
| 4509-038 | Metal Oxide Film Resistor | RS3B 200kΩ |
| 4509-046 | Metal Oxide Film Resistor | RS1B 10kΩJ |
| 4509-107 | Small Metal Oxide Film Resistor | MOS2CT52A150J |
| 4509-109 | Metal Oxide Film Resistor | RS1B 51kΩ |
| 4509-113 | Metal Oxide Film Resistor | RS3B 20kΩJ |
| 4509-120 | Resistor | RS2B 100KΩJ 45A24354 |
| 4509-121 | Resistor | |
| 4509-125 | Metal Oxide Film Resistor | RS2B 470ΩJ |
| 4509-128 | Small Fixed Metal Oxide Film Resistor | SPR2CT52A204J |
| 4509-132 | Small Fixed Metal Oxide Film Resistor | MOS3CT521A203J |
| 4509-133 | Small Fixed Metal Oxide Film Resistor | MOS3CT521A302J |
| 4509-134 | Resistor | RNP50SA 2.2ΩJ 45A20356 |
| 4509-135 | Metal Film Resistor | RNP20SA 3.3ohmJ |
| 4509-138 | Metal Film Resistor | |
| 4509-332 | Carbon Film Resistor | CFS1/4CT52A102J |
| 4509-611 | Resistor | RS1B 3.3KΩ |
| 4509-704 | Resistor | RD1/4S1KΩJ-TP 49Z42545 |
| 4509-713 | Carbon Film Resistor | RD1/2W 10kΩ |
| 4509-804 | Resistor | 40SH390ΩKA (For CPV-500) |
| 4509-805 | Cement Resistor | 40SH 1ΩKA |
| 4509-809 | Resistor | |
| 4509-811 | Resistor | 10SH 10Ω 45A35464 |
| 4509-812 | Cement Resistor | 40SH 400ΩJ |
| 4509-816 | Resistor | |
| 4509-819 | Cement Resistor | |
| 4509-821 | Resistor | MFS40A 101K 45A32533 |
| 4509-822 | Resistor (Discontinued) | MFS30A 010K |
| 4509-824 | Resistor | 40SH10ΩJA DT |
| 4509-825 | Cement Resistor | |
| 4509-828 | Cement Resistor | |
| 4509-829 | Cement Resistor | 20SHN 1ΩKA |
| 4509-831 | Cement Resistor | |
| 4509-832 | Cement Resistor | |
| 4509-837 | Cement Resistor | RX27-4V-20W 10 J |
| 4509-838 | Resistor | |
| 4509-839 | Resistor | |
| 4509-851 | Resistor | 30SHN 5.1ΩKA DT |
| 4509-855 | Resistor | |
| 4509-858 | Resistor | |
| 4509-870 | Resistor | 40SH100ΩKA 45A36391 |
| 4509-881 | Cement Resistor | 40SHN 5.1 OHM JA |
| 4509-882 | Resistor | |
| 4509-883 | Non-Inductive Resistor | |
| 4509-884 | Resistor | 30SH 30ΩKA |
| 4509-886 | Cement Resistor | |
| 4509-887 | Resistor | 40SH 51ΩJA 9K |
| 4509-894 | Resistor | |
| 4509-895 | Cement Resistor | 40SH 150ΩKA |
| 4509-899 | Cement Resistor | TSM10L 10K OHM J |
| 4509-900 | Cement Resistor | 40SH 150 OHM JA |
| 4509-903 | Cement Resistor | |
| 4509-905 | Cement Resistor | MHR20A513J1 |
| 4509-906 | Cement Resistor | 10SHN 10ΩKA |
| 4509-916 | Cement Resistor | RX27-4V-20W-2.2 OHM-J |
| 4509-918 | Cement Resistor | RX27-4V-40W-200R-J |
| 4509-922 | Cement Resistor | RX27-4V-20W 10 J |
| 4509-925 | Cement Resistor | 20SH 10kΩKA |
| 4510-113 | Aluminum Electrolytic Capacitor | |
| 4510-209 | Ceramic Capacitor | TVX2E3R3MAA 250E3.3MF 45C26240(W) |
| 4510-210 | Aluminum Electrolytic Capacitor | LNT2C471MSMNOE |
| 4511-210 | Pressure Switch | |
| 4511-251 | Capacitor | W-W02212A |
| 4511-314 | Electrolytic Capacitor | LNR2G152MSMB 400W 1500 |
| 4511-321 | Electrolytic Capacitor | LNR2G152MSED0E 1500MF400V |
| 4511-330 | Aluminum Electrolytic Capacitor | LNR2W471MSMAWS |
| 4511-333 | Aluminum Capacitor | W-W02014 400LGSN1500MBC9 |
| 4511-344 | Capacitor | 400LGSN3300MBD13 |
| 4511-403 | Aluminum Electrolytic Capacitor | 45C26321 FXA2G222ISDSPH |
| 4511-510 | Electrolytic Capacitor | |
| 4511-511 | Aluminum Electrolytic Capacitor | HCGF5A2D472YDS |
| 4511-512 | Aluminum Electrolytic Capacitor | LQA2C222MSEEZ0 (160V, 2200MF) |
| 4514-206 | Capacitor | |
| 4516-014 | Resistor | ENE471D-14A Changed to: 100-0659 |
| 4516-015 | Resistor | Changed to: 4536-112 |
| 4516-119 | Varistor | TND14V-911KB0LLAA0 |
| 4517-401 | Ceramic Capacitor | CS17-F2GA103MYAS |
| 4517-404 | Film Capacitor | QYX1H103JTP |
| 4517-415 | Ceramic Capacitor | DE1207B-222K2K 2KV DC |
| 4517-452 | Ceramic Capacitor | DE1007E222MKH 45C43937(W) |
| 4517-454 | Ceramic Capacitor | DEHR32E103KA2B |
| 4517-455 | Ceramic Capacitor | |
| 4517-458 | Ceramic Capacitor | 2KV 0.001μF |
| 4517-459 | Ceramic Capacitor | DEHR32E103KA2B |
| 4517-461 | Ceramic Capacitor | DEBB33A682KC4B |
| 4518-401 | Capacitor | |
| 4518-402 | Film Capacitor | 50V 0.47MF Changed to: 100-0227 |
| 4518-411 | Film Capacitor | EM351200D0BA1HP(ROHS) |
| 4518-415 | Polyester Film Capacitor | |
| 4518-429 | Film Capacitor | VW16X223K |
| 4518-431 | Film Capacitor | FGSM(161)630VDC473J-SL |
| 4518-434 | Film Capacitor | |
| 4518-443 | Plate Capacitor / Flat Capacitor | |
| 4518-444 | Film Capacitor | 400V 0.47μF |
| 4518-453 | Capacitor | |
| 4518-454 | Film Capacitor | ECWH16333JV 45C53534 |
| 4518-455 | Film Capacitor | 50V 0.15MF 45C51976 |
| 4518-460 | Film Capacitor | |
| 4518-472 | Polyester Film Capacitor | |
| 4518-481 | Capacitor | UD40Y474K 45C51046 |
| 4518-482 | Capacitor | ECWH16473JV 45C53774 |
| 4518-484 | Film Capacitor | 0.1μF 200V |
| 4518-486 | Capacitor | ECW-H12H153JR 45C53992 |
| 4518-512 | Aluminum Electrolytic Capacitor | LQA2C222MSEEZ0 (160V, 2200MF) |
| 4518-515 | Capacitor | |
| 4518-517 | Resistor | |
| 4518-519 | Polyester Film Capacitor | MIC-ST3D182J 45C00044 |
| 4518-526 | Film Capacitor | EM351200D0BA1HP (20μF 350VDC) |
| 4518-528 | Capacitor | US20X103JAASA 45C00077 |
| 4518-530 | Capacitor | US16X154JAASA 45C00066 |
| 4518-533 | High-Voltage Metallized Polypropylene Film Capacitor | CBB80-2000V-473J (Pin 30MM) |
| 4518-534 | Polyester Film Capacitor | UD63Y225K (2.2μF, 630V) |
| 4518-535 | Polyester Film Capacitor | DKR1250VDC104JSL |
| 4518-536 | Film Capacitor | EM121200S0BA1HP(ROHS) |
| 4518-537 | Capacitor | RE225-L 2.2MF 45C50670 K |
| 4518-538 | Polyester Film Capacitor | MIC-ST3C563J |
| 4518-541 | Film Capacitor | US63Y105JAASA |
| 4518-542 | Capacitor | |
| 4519-013 | Dust Filter | |
| 4519-014 | Filter CF3033A-BA | |
| 4519-019 | Filter | CF2030A-DD |
| 4519-029 | TVS Diode (Transient Voltage Suppressor) | 1.5KE250CA-E3/54-PBF |
| 4519-030 | Fan Bracket | |
| 4519-031 | Fan Filter Mesh DT-300P | |
| 4519-033 | Filter | |
| 4519-036 | Filter |
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!


