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Bosch 2469403530 CP2.2 Common Rail Pump Overflow Valve/Pressure Limit Valve for Weichai WP10 WP12 Engine Original Part Number 612600081584
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| Product Name | Overflow valve / Pressure limiting valve / Safety valve |
| Compatible High Pressure Pump Model | Bosch CP2.2 Common Rail Pump |
| Bosch Original Part Number | 2469403530 |
| Wancai Main Engine Factory Number | 612600081584 |
| Calibration Opening Pressure | Approx. 1800 - 2200 bar (depending on specific engine ECU calibration) |
| Thread Connection Specification | M14 x 1.5 (Metric Fine Thread) |
| Material | High-strength alloy steel body + Stainless steel valve stem/seat |
| Seal Type | Metal cone seal / O-ring auxiliary seal |
| Working Medium | Diesel (including biodiesel B7/B20) |
| Operating Temperature | -40°C ~ +120°C |
| Installation | High-pressure Pump Body Overflow Port/Common Rail Tube Pressure Limit Interface |
| Function | Open the pressure relief when the common rail pressure exceeds the set value to protect the high-pressure pipeline, injectors, and common rail from damage due to overpressure |
Manufacturer No.
24694035302 469 403 530
OEM Part No.
612600081584044502011604450201200445020121612630030057
Engine Part No.
Weichai WP10Weichai WP12Weichai WP13Weichai WP10Weichai WP12Weichai WP13
Interchange No.
1110010015F00RJ02266
Fitment Vehicles
Shaanxi Auto Heavy Duty Truck (DeLion M3000/X3000 etc.)FAW Jiefang J6 seriesWeichai Power for Excavators/LoadersDiesel Generator SetAgricultural combine/Tractor
Fuel System - Industrial Encyclopedia
Bosch original 2469403530 overflow valve (pressure limit valve), specially designed for Weichai WP10/WP12 series engines, compatible with CP2.2 high-pressure common rail fuel injection pumps (such as 0445020116, 0445020120). Weichai original part number 612600081584, opening pressure about 1800-2200 bar, accurately protecting the safety of the common rail system pressure. Widely compatible with Shaanqi heavy trucks, FAW J6 and other heavy trucks, construction machinery and power generation equipment equipped with Weichai engines.