G4 S022

NOZZLE VCA KIT: G4S022 SERIES – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: G4S Series
System Manufacturer: DENSO Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- DENSO Injector Reference: 1465A456
- OEM / Vehicle Manufacturer: Mitsubishi
- Typical Applications (with HP / kW):
• Mitsubishi L200 / Pajero 2.5 CRDI – 136 HP / 100 kW
• Mitsubishi Triton / Pajero Sport 2.5 CRDI – 136 HP / 100 kW
• Other Mitsubishi vehicles using 2.5 L common-rail diesel engines

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Mitsubishi 2.5 L common-rail diesel engines for pickup trucks and SUVs.
Engine Type: Inline-4, 2.5 L Common Rail Diesel (G4 CRD) engine
Injector Technology: DENSO Common Rail Solenoid Injector.
Nozzle Type: G4S Series — high-precision multi-hole nozzle for optimized atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: 5–6 (variant dependent)
- Hole Diameter: ~0.150 mm
- Spray Angle: 145–150°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Precise fuel spray pattern for smooth idle, efficient combustion, reduced emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Thoroughly clean the nozzle (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Always replace O-rings, copper washers, and seals; never reuse old parts.
3. Injector Mounting: Follow OEM torque and alignment specifications.
4. Post-Installation Testing: Perform leak-back or test-bench spray tests to verify correct spray pattern and no leaks.
5. Calibration / Coding: Use Mitsubishi or DENSO diagnostic tools if injector coding is required.
6. Fuel Quality Notes: Use clean, high-quality diesel; replace fuel filters during service.
7. Storage & Handling: Store nozzles in a clean, dry environment; protect tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, reduced power, or excessive fuel return flow.