0928400746 — Bosch Fuel Inlet Metering / Pressure Regulator Valve (SCV)

Precision inlet control for Bosch common-rail pumps - widely fitted on MAN / Neoplan / TEMSA platforms and compatible high-pressure assemblies.

The 0928400746 (Bosch 0 928 400 746) is a compact but critical electro-hydraulic regulator - commonly called an inlet metering valve or suction control valve (SCV). It modulates the low-pressure feed into the high-pressure stage of the pump, directly shaping how fast and how accurately rail pressure builds. For fleets and workshops, a healthy metering valve equals predictable starts, stable rail response and fewer aftertreatment headaches.

 

 

• Rail stability: Smooth inlet metering avoids pressure oscillations that can trigger ECU derates or erratic injectors. 
• Fuel economy & emissions: Correct metering supports accurate multi-shot injection strategies that lower smoke and DPF load. 
• Serviceability: Because the valve is a replaceable, low-cost item compared with pumps or injectors, addressing it early saves downtime and repair cost.

 

 

The valve is frequently listed for MAN TGA/TGX/TGS, NEOPLAN, TEMSA and other regional heavy-duty platforms. Common cross references include vendor SKUs such as 1465ZS0096 and OEM IDs like 51125050033 - always confirm with your pump serial (e.g., CP3/0445-series part families) before ordering.

 

🧩 Technical snapshot

Bosch part no.: 0 928 400 746 (0928400746).

Function: Fuel inlet metering / pressure regulator (solenoid-actuated).

Typical pump compatibility: Found on pumps in the 04450200xx family and similar high-pressure modules; check supplier cross-lists for exact matches.

 

 

Symptoms to watch for: slow rail build on cranking, rough idle, intermittent rail-pressure DTCs, or failed DPF regen attempts. If these occur, include the metering valve in your diagnostic scope. 

Quick checks: inspect connector pins and harness for corrosion; measure coil resistance (compare to known-good spec) before hydraulic teardown.

Bench verification: where available, test valve actuation and flow response on a calibrated metering bench - bench data separates electrical faults from hydraulic wear. 

Installation tips: replace sealing rings / O-rings at each service, ensure clean mounting faces, and purge the low-pressure side to remove air pockets.

 

 

The 0928400746 is a small electro-hydraulic regulator with outsized influence on common-rail performance. Correct diagnosis, clean handling, and sourcing traceable, bench-tested replacements are the fastest route to restoring reliable rail control - protecting injectors, pumps, and your bottom line.

 

 

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