BLLA 146 P 1296

BOSCH INJECTOR NOZZLE: DLLA146P1296 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA146P1296
BOSCH MEC / Catalog Number: 0 433 171 811
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 141 / 0 986 435 086
- OEM / Vehicle Manufacturer: RENAULT, OPEL / VAUXHALL, NISSAN
- Typical Applications (with HP / kW):
• Renault Master 2.5 dCi – 100 HP / 74 kW
• Opel/Vauxhall Movano 2.5 DTI – 100 HP / 74 kW
• Nissan Interstar 2.5 dCi – 100 HP / 74 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Light commercial vehicles with 2.5 L Common Rail Diesel engines.
Engine Type: Inline-4, 2.5 L dCi / DTI, Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA146P1296 — precision multi-hole nozzle for proper atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: 6 (approx.)
- Hole Diameter: ~0.146 mm
- Spray Angle: 140–150°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for smooth idle, precise combustion, low emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Thoroughly clean the nozzle (ultrasonic cleaning recommended) before fitting.
2. Sealing Components: Replace all 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 proper spray pattern and ensure no leaks.
5. Calibration / Coding: Use Renault, Opel/Vauxhall, Nissan, 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 dry, dust-free environment; protect the tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, reduced power, excessive fuel return flow.