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Bosch 1110010020 Cummins Common Rail Fuel Pressure Relief Valve 3963808
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| Product Name | Fuel Pressure Limiting Valve/Pressure Limiting Valve/Relief Valve |
| Brand | Bosch |
| OEM Number | 3963808 / 1110010007 / F00R000756 |
| Applicable System | High Pressure Common Rail Fuel Injection System |
| Material | Stainless Steel |
| Function | Limit the maximum fuel pressure in the common rail, release excess pressure to the return line when overpressure occurs, to protect the injector and common rail |
| Compatible Engine Series | Cummins ISB, ISC, ISD, ISL, ISL9, QSB, QSC, QSL, ISLE, 6C 8.3 |
| Vehicle Compatibility | Dodge Ram 2500/3500 5.9L (2003-2007), MAN TGL/TGM, Neoplan Bus |
| Quality Standard | Bosch Original Equipment Manufacturer (OEM) certified / Industrial-grade OEM standard |
Manufacturer No.
1110010020F00R000756
OEM Part No.
3963808111001000751103040050873472752T2201146C39638083947799
Engine Part No.
ISDISBISCISLISL9QSB 4.5QSB 6.7QSC 8.3QSL 8.9ISLEISBE46C 8.3B3.3
Interchange No.
39638123963815F00R0007561110010017
Fitment Vehicles
Dodge Ram 2500/3500 2003-2007Dongfeng Commercial VehicleMAN TGL/TGMNeoplan Bus
Fuel System - Industrial Encyclopedia
Bosch OEM 1110010020 Fuel Pressure Relief Valve, also known as pressure limiting valve or pressure release valve, is used for Cummins ISD, ISB, ISC, ISL, QSB, QSC, QSL series diesel engines, and also fits Dodge Ram 5.9L and Dongfeng commercial vehicles. The valve is installed in the high-pressure common rail system and automatically opens when the rail pressure exceeds the set threshold, releasing excess fuel back into the return line to protect the injector and common rail. Replacement OEM numbers: 3963808, 1110010007, F00R000756, 51103040050, etc. Industrial-grade stainless steel valve body, pressure-resistant and reliable, is an essential safety component for the common rail fuel system.