294009-0590 8981305080

The Common Rail Suction Control Valve (SCV) is a proportional solenoid valve installed on the suction side of the high-pressure fuel pump in diesel common rail systems. It is controlled by the ECU via a PWM signal to regulate the valve opening, thereby precisely controlling the fuel flow entering the high-pressure pump and achieving accurate closed-loop control of common rail pressure.

Its core function is demand-based fuel supply with fast response, stable rail pressure, reduced energy consumption, improved combustion efficiency, and enhanced engine performance, fuel economy, and emissions control. In modern diesel common rail systems, the SCV is an essential component for achieving efficient and low-emission fuel management.

High-precision flow control — Precisely regulates fuel flow to ensure stable rail pressure.

Fast dynamic response — Rapid response to ECU commands across all operating conditions.

Stable and reliable operation — Maintains consistent fuel delivery and improves engine smoothness.

Excellent environmental adaptability — Resistant to high temperature, high pressure, and wear under harsh conditions.

OE-level manufacturing quality — Precision engineering and strict testing ensure stable and reliable performance.

294009-0590

294200-0670

2942000670

8981305080

84416124

Hitachi

ZW220, ZW220-HCMF

ZW250, ZW250-HCMF

ZX330-3, ZX330-3F

ZX350-3-AMS, ZX350H-3, ZX350H-3F

ZX350K-3, ZX350K-3F

ZX350L-3

ZX350LC-3-HCME, ZX350LC-3F-HCME

ZX350LC-3F-AMS

ZX350LC-5B, ZX350LCN-5B

ZX400LCH-3, ZX400W-3

Case

CX300C

CX330 (equipped with Isuzu 6HK engine)

Hino

J08 engine series

UD Trucks (Nissan UD)

UD commercial vehicle series

John Deere

6081T tractors and related equipment

Compatible Engines:

6HK1、J08E、J08C、FE6、FE6T、6081T

Engine Output:

180–330（132–243 kW）

Production Years:

1998–2026