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Cummins Common Rail Injector Pressure Regulating Washer 100MPa Fixed Pressure Washer Set Compatible with Bosch CRI Injector ISB QSB ISL QSL Engines
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| Adjustment Pressure | 100 MPa (1000 bar) |
| Applicable Injector Type | Bosch Common Rail Injector (CRI 2 / CRI 3 Series) |
| Core Material | High-strength alloy tool steel (such as 1.2379 / D2) quenched and tempered treatment |
| Hardness Range | HRC 58-62 |
| Thickness Specification | Standard grading 0.50mm - 2.00mm (spacing 0.05mm), non-standard thickness available upon request |
| Dimensional Tolerance | Thickness ±0.005mm, flatness ≤0.002mm |
| Surface Treatment | Blackening/phosphatizing anti-rust treatment, chamfered edges deburred |
| Packaging | Individual thickness marking packaging, set box packaging (usually 15-20 specifications/set) |
| Working Principle | Adjusts spring preload by pad thickness for precise calibration of injector needle valve opening pressure |
Manufacturer No.
Bosch F00RJ01795Bosch F00RJ02473Bosch F00RJ01987
OEM Part No.
Cummins 4934462Cummins 4934463Cummins 5263308Cummins 4988681
Engine Part No.
Cummins ISB6.7Cummins QSB6.7Cummins ISL9Cummins QSL9Cummins ISB4.5Cummins QSB4.5Cummins ISB3.8Cummins QSB3.8
Interchange No.
100MPa Shim Kit1000bar Injector ShimPressure Adjusting Shim SetCR Injector Calibration Shim
Fitment Vehicles
Dongfeng Tianlong/Tianjin (equipped with ISB/QSB)Shaanxi DeLong/XuanDe (equipped with ISL/QSL)SINOTRUK Howo/Howo (equipped with ISB/ISL)Jiefang J6/J7 (equipped with CA6DL/CA4DL common rail)Sany/Sinohydro/Zongtong Heavy Industry Excavator/Pump Truck (equipped with QSB/QSL)Cummins Generator Set (common rail model)
Fuel System - Industrial Encyclopedia
Professional supply of Cummins common rail injector pressure regulating washer (100MPa/1000bar fixed specification), compatible with Bosch CRI series common rail injectors. Suitable for ISB6.7, QSB6.7, ISL9, QSL9 and other mainstream engine models. The washer is precision machined from high-strength alloy tool steel, with accurate thickness grading, effectively calibrating the injector opening pressure, restoring atomization performance, supporting original part number interchangeability search and bulk customization.