Below is the detailed parts breakdown for the host and wiring components of the OTC Daihen CM7402 and CMW-742-C wire feeders. The exploded view shows the location of each numbered component. Both models share the same parts. All items listed are genuine OTC Daihen spare parts, with part numbers, specifications, and quantities for easy identification and ordering.

| No. | Part Number / OTC Order No. | Part Name | Qty | Remarks | |
|---|---|---|---|---|---|
| CM‑7402 | CMW‑742‑C | ||||
| 1 | U30022U00 | Frame | 1 | Assembly | |
| 2 | U30022C05 | Hanging post | 2 | — | |
| 3 | U30022C01 | Side panel | 1 | Excludes 3-1 | |
| 3-1 | — | Cross recessed screw | 3 | M4×8 | |
| 4 | U30033C02 | Back panel | 1 | Excludes 4-1,4-2,4-3,4-4 | |
| 4-1 | — | Cross recessed screw | 6 | M4×8 | |
| 4-2 | — | Button plug | 2 | HP-16 | |
| 4-3 | 4739-489 | Rubber plug | 1 | C-30-SG-20A-EP-UL | |
| 4-4 | 100-1380 | Rubber plug | 1 | C-30-SG-36A-EP-UL | |
| 5 | U30022C03 | U30033C03 | Front panel | 1 | Excludes 5-1 |
| 5-1 | — | Cross recessed screw | 4 | M4×8 | |
| 5-2 | — | 4739-507 | Rubber plug | 1 | — |
| 5-3 | — | 4730-002 | Socket | 1 | 2‑pin |
| 6 | U30022B00 | U30033B00 | Wire feeder | 1 | — |
| 7 | U30022L00 | Wire feed motor | 1 | — | |
| 8 | U30022H00 | Wire feed guard | 1 | — | |
| 9 | U30022T00 | U30033T00 | Assembly parts | 1 | — |
| 10 | U30039D00 | — | Central adapter | 1 | — |
| 11 | U30022N00 | U30033N00 | High current cable | 1 | Assembly |
| 12 | U5185.109 | High current terminal block | 1 | — | |
| 13 | 4733-370 | Terminal block | 1 | Excludes 13-1 | |
| 13-1 | — | Cross recessed pan head screw | 2 | M3×14 | |
| 14 | U30022E00 | Control cable | 1 | Assembly, includes 14-1 | |
| 14-1 | 100-1381 | Aviation plug | 1 | DPC25-10A | |
| 15 | U30022F00 | Wire spool sleeve | 1 | Kit with 15-1,15-2,15-3,15-4 | |
| 15-1 | — | Socket head cap screw | 1 | M10×16 | |
| 15-2 | — | Nut | 3 | M8 | |
| 15-3 | — | Washer | 3 | M8 | |
| 15-4 | — | Spring washer | 3 | M8 | |
| 16 | U30022G00 | Gas tube assembly | 1 | — | |
| 17 | U30022P00 | Common mode coil | 1 | Assembly | |
| 18 | U5185.T01 | Cable clamp | 1 | Excludes 18-1 | |
| 18-1 | — | Phillips hex screw | 2 | M5×15 | |
| 19 | U1997C02 | Hose clamp | 1 | Excludes 19-1 | |
| 19-1 | — | Phillips hex screw | 2 | M5×15 | |
| 20 | U1997C03 | Protective cover | 1 | — | |
| 21 | U30022C06 | Wire spool protection cover | 1 | Excludes 21-1 | |
| 21-1 | — | Cross recessed screw | 2 | — | |
| 22 | U2028H01 | Cable clamp | 1 | Excludes 22-1 | |
| 22-1 | — | Cross recessed screw | 2 | — | |
| 23 | — | U30033R01 | Gas tube holder | 1 | — |
| 24 | — | U30033P00 | High current connector | 1 | — |
All parts listed above are 100% original OTC Daihen spare parts. Our company is an OTC-designated agent, ensuring you receive authentic components for your wire feeder. Whether you need a single replacement or bulk orders, we are here to help.
📞 Contact Us for Orders / Inquiries
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Company: COMPANY:Authorized Distributor of OTC Daihen
Contact person: Contact:Mr.Fang
Mobile phone: Phone:+86-18096631656
Email address: Email:15305667776@163.com
Address: Add:Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China