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The G4-89 is a specialized solution for repairing high-pressure fuel pipes used on Bosch CP1 pumps.
This Bosch CP1 fuel pipe repair tool reshapes and refines deformed pipe ends to recover correct sealing geometry and thread alignment.
By using precision forming dies and controlled pressure, the CP1 pump pipe restoration kit allows technicians to correct minor damage
without replacing the entire pipe assembly. As a reliable Diesel Repair Tool, the G4-89 reduces repair costs, shortens downtime,
and ensures stable fuel delivery in common rail pump systems.





| Parameter | Specification |
|---|---|
| Model | G4-89 |
| Application | Bosch CP1 pump fuel pipes |
| Function | Pipe end repair & reshaping |
| Repair Method | Mechanical forming |
| Applicable Pipe Type | High-pressure steel fuel pipe |
| Forming Die Material | Hardened alloy steel |
| Drive Type | Manual hydraulic press |
| Operating Mode | Hand-operated |
| Maximum Pipe Diameter | 8 mm |
| Supported Thread Size | M12 / M14 |
| Body Material | Carbon steel frame |
| Installation Type | Bench-mounted |
| Safety Feature | Anti-slip handle |
| Operating Temperature | 5–45°C |
| Tool Weight | 12 kg |



