BLLA 153 P 1608

BOSCH INJECTOR NOZZLE: DLLA153P1608 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA153P1608
BOSCH MEC / Catalog Number: 0 433 171 982
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 274 / 0 445 110 275 / 0 445 110 724 / 0 986 435 180
- OEM / Vehicle Manufacturer: Hyundai, KIA
- Typical Applications (with HP / kW):
• Hyundai H-1 / Starex 2.5 CRDi – 145 HP / 107 kW (D4CB motor, 2008+)
• KIA Sorento 2.5 CRDi – 145 HP / 107 kW (D4CB motor)

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Hyundai and KIA 2.5 L CRDi common-rail diesel engines for vans and SUVs.
Engine Type: Inline-4, 2.5 L Common Rail Diesel (D4CB), Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA153P1608 — precision multi-hole nozzle for optimized atomization and combustion.
Technical Characteristics:
- Material: High-strength, heat-treated tool steel
- Number of Holes: 6 (engine variant dependent)
- Hole Diameter: ~0.153 mm
- Spray Angle: 153°
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Operating Pressure: 1600–1800 bar typical for 2.5 CRDi engines
- Performance Features: Optimized for smooth idle, low emissions, precise fuel delivery, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Clean nozzle thoroughly (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Replace copper washers, O-rings, and all 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 proper spray pattern and no leaks.
5. Calibration / Coding: Use Hyundai, KIA, or BOSCH 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, loss of power, excessive fuel return flow.
9. Long-Term Monitoring: Monitor injector performance (leak-off, idle smoothness, fuel return) after replacement.