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Injector nozzle BLLA 156 P 2401 - DLLA156P2401

Injector nozzle BLLA 156 P 2401 - DLLA156P2401

Product description

BOSCH INJECTOR NOZZLE: DLLA156P2401 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA156P2401
BOSCH MEC / Catalog Number: 433172401 (0 433 172 401)
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 565, 0 445 110 566
- OEM / Vehicle Manufacturer: PEUGEOT / PSA Group
Typical Applications:
• Peugeot 1.6 HDi / 2.0 HDi passenger cars (e.g., 207, 308, 3008, Partner, Expert)
• Citroën 1.6 HDi / 2.0 HDi models (e.g., C4, Berlingo, Jumpy)
• Other PSA vehicles using CRI‑2‑16 injectors


II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: PSA diesel passenger cars and light commercial vehicles using CRI‑2‑16 injectors.
Engine Type: 1.6 L / 2.0 L HDi / BlueHDi Common Rail Diesel engines.
Power / Performance Range:
- HP: ~75–120
- kW: ~55–88
Injector Technology: BOSCH Common Rail Injector (CRI‑2‑16 type)
Nozzle Type: DLLA156P2401 — precision high-pressure nozzle for accurate atomization.

Technical Characteristics:
- Number of Holes: 6–7 (engine variant dependent)
- Spray Angle: 156°
- Material: High-speed, heat-treated tool steel
- Weight: ~30 g net, ~35 g gross
- Needle Coating: Black-coated needle for durability
- Fuel Compatibility: Standard CR diesel (EN 590 / B7)
- Performance Features: Fine atomization, stable spray behavior, longevity in high-pressure CRI‑2‑16 systems
- Emission Compliance: Euro 5 / Euro 6


III. Critical Technician Notes (MUST‑DO)

1. Clean Installation: Ultrasonic cleaning of nozzle recommended prior to installation.
2. Sealing Components: Replace all copper washers, O-rings, and injector seals.
3. Injector Mounting: Follow OEM torque and alignment specifications.
4. Post-Installation Testing: Conduct leak-back and test-bench spray pattern verification.
5. Calibration / Coding: Use PSA / BOSCH diagnostic tools for coding or calibration if required.
6. Fuel Quality Notes: Ensure clean, water-free diesel; replace fuel filters during service.
7. Storage & Handling: Store in a dry, dust-free environment; protect nozzle tip from impact.
8. Monitoring & Maintenance: Observe injector performance after replacement (leak-off, idle, fuel return) to detect early wear.
9. Common Fault Symptoms: Rough idle, black smoke, reduced power, hard cold start, or excessive fuel return flow.

Key features

OEM quality replacement part
Direct fit installation
Corrosion resistant coating
Tested to ISO 9001 standards
24-month manufacturer warranty included
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