BLLA 150 P 1734

BOSCH INJECTOR NOZZLE: DLLA150P1734 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA150P1734
BOSCH MEC / Catalog Number: 0 433 172 061
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 322, 0 445 110 351
- OEM / Vehicle Manufacturer: FIAT – 1.3 Multijet CR diesel engines.
- Typical OEM Applications: Fiat Punto, Panda, 500, Fiorino, Doblo; Alfa Romeo Mito; Opel Corsa, Astra, Combo.

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: FIAT, Alfa Romeo, and Opel 1.3 Multijet / CDTi engines.
Engine Type: 1.3L inline-4 diesel engines (55–90 HP variants).
Injector Technology: BOSCH Solenoid-Type Common Rail Injector.
Nozzle Type: DLLA150P1734 — precision multi-hole nozzle for optimized atomization.
Number of Holes: 7
Spray Angle: 150°
Hole Diameter: ~0.130 mm
Material: High-strength, heat-treated tool steel.
Fuel Compatibility: EN 590 Diesel / Biodiesel blends up to B7.

III. Critical Technician Notes (MUST-DO)

1. Injector Calibration: After nozzle replacement, always perform injector coding and calibration (IMA/ISA) via diagnostic tools.
2. Sealing Components: Replace copper washers and O-rings every time.
3. Injector Bolts: Use new stretch bolts — never reuse.
4. Clean Installation: Maintain absolute cleanliness; contamination can cause premature injector failure.
5. System Verification: Conduct leak-back test, pilot injection calibration, rail pressure check, and engine performance verification after installation.