BLLA 156 P 2457

BOSCH INJECTOR NOZZLE: DLLA156P2457 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA156P2457
BOSCH MEC / Catalog Number: 0 433 172 457
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 653 / 0 445 110 654 / 0 445 111 019
- Associated Control Valve P/N (for compatible injectors): F 00V C01 538
- OEM / Vehicle Manufacturer: Jaguar / Land Rover
- Typical Applications (with HP / kW):
• Jaguar / Land Rover 2.0 L Diesel engines – approx. 150–180 HP / 110–132 kW
• Other 2.0 L common-rail diesel variants where compatible with listed injectors

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Jaguar / Land Rover 2.0 L common-rail diesel engines for passenger cars and SUVs.
Engine Type: Inline-4, 2.0 L Common Rail Diesel, Euro 5 / Euro 6 compliant (verify specific engine code)
Injector Technology: BOSCH Solenoid Common Rail Injector.
Nozzle Type: DLLA156P2457 — high-precision multi-hole nozzle for optimized fuel atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: 5–6 (engine variant dependent)
- Spray Angle: ~145–150°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized spray pattern for smooth idle, low emissions, efficient combustion, 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 Jaguar / Land Rover 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, reduced power, or excessive fuel return flow.