Compatibility: Fits specific Hitachi models| NO | Number | Name | Qty |
| 01 | 4190261 | CLIP(10) | 18 |
| 02 | 4190275 | CLIP(14) | 17 |
| 04 | 4190273 | CLIP(18) | 6 |
| 06 | 4190263 | CLIP(25) | 6 |
| 06 | 4190263 | CLIP(25) | 7 |
| 07 | 4192035 | CLIP(28) | 9 |
| 08 | 4190264 | CLIP(35) | 3 |
| 10 | 4192034 | CLIP(25X2) | 3 |
| 13 | ]011022 | BOLT | 53 |
| 13 | J271020 | BOLT | 55 |
| 14 | ]901016 | BOLT | 7 |
| 15 | ]901020 | BOLT | 1 |
| 16 | A590910 | WASHER | 8 |
| 19 | 4295913 | HARNESS | 1 |
| 23 | 4055312 | CLIP | 9 |
| 23 | 4055312 | CLIP | 15 |
| 28 | 4418301 | BRACKET | 2 |
| 30 | 4461213 | HARNESS | 1 |
| 4464835 | HARNESS | 1 | |
| 31 | 4447726 | HARNESS | 1 |
| 34 | ]020612 | BOLT | 1 |
| 34 | ]260612 | BOLT | 1 |
| 35 | 4190282 | CLIP | 1 |
Q: What are symptoms of a failing wiring harness on a Hitachi ZX450-3?
A: Common signs on large excavators include intermittent engine shutdown, multiple sensor fault codes appearing simultaneously, DEF/SCR system communication errors, monitor panel flickering or blanking out, and failure to crank. The extreme heat and vibration in the engine bay of ZX450-3 and ZX460-3 machines accelerates harness degradation.
Q: Why replace the entire harness instead of repairing damaged sections?
A: On 45-ton class excavators working in mining and quarry applications, downtime costs are extremely high. When one section of the harness shows heat damage or brittle insulation, the entire loom is typically compromised. A complete harness set ensures 100% reliability and prevents cascading electrical failures that lead to expensive field service calls.
Q: Are these harnesses identical to the OEM Hitachi 4461213 and 4464835?
A: Yes, COGENG harnesses are manufactured to exact OEM specifications including connector types, terminal plating, wire gauge, and harness routing length. They are direct plug-and-play replacements requiring no wire splicing or modifications.
