04261774 Injector for Deutz BFM1015 Bosch No. 0433171767

Deutz BFM1015 Fuel Injector Specifications

OEM Numbers:

• Deutz: 04261774

• Bosch: 0433171767

• Nozzle Code: DLLA166P1217

Technical Specifications

1. Injector Type:

   • Mechanical multi-hole pencil injector

   • Solid construction (non-serviceable nozzle)

2. Nozzle Characteristics:

   • Type: DLLA (Bosch long-stem design)

   • Holes: 5 (standard configuration)

   • Spray Angle: 160° (±5°)

   • Orifice Diameter: 0.22mm (nominal)

   • Needle Lift: 0.35mm (±0.02)

3. Pressure Settings:

   • Opening Pressure: 200 bar (factory preset)

   • Maximum Operating Pressure: 850 bar

4. Physical Dimensions:

   • Thread Size: M24x1.5 (fuel inlet)

   • Seat Angle: 60° (conical sealing surface)

   • Overall Length: 118mm (±1mm)

5. Flow Characteristics:

   • Flow Rate: 215 cc/min @ 100 bar

   • Flow Deviation: ≤3% between matched sets

Compatibility

• Engine Models:

  • Deutz BFM1015 (all variants)

  • BF6M1015 (selected serial ranges)

  • Industrial/agricultural applications

• Replaces Older Numbers:

  • Bosch 0433171766 (previous revision)

  • Deutz 04261773 (superseded)

Installation Requirements

1. Critical Components:

   • Copper sealing washer (Deutz p/n 0416-2045)

   • Heat shield (if equipped)

2. Torque Values:

   • Injector body: 55 Nm (±5)

   • Fuel line nut: 28 Nm

   • Banjo bolt (if equipped): 40 Nm

3. Installation Notes:

   • Always use new sealing washers

   • Clean injector bore thoroughly

   • Lubricate threads with clean diesel fuel

   • Perform leak test after installation

Performance Verification

1. Test Bench Requirements:

   • Opening pressure: 200±10 bar

   • Seat tightness: Max 10 bar drop in 10 sec

   • Spray pattern: Even fan without drips

2. Field Checks:

   • White smoke = potential leak

   • Black smoke = spray pattern issue

   • Misfires = pressure deviation

Maintenance Warning

⚠ Never attempt to:

• Disassemble the nozzle (permanently sealed)

• Adjust opening pressure (factory-calibrated)

• Reuse old sealing components

⚠ Mandatory:

• Replace in full sets (all cylinders)

• Verify pump timing after replacement

• Prime fuel system before starting

Bosch Nozzle Code Breakdown

DLLA166P1217 deciphered:

• DLLA = Long-stem injector

• 166 = 160° spray angle + 6mm plunger

• P = Production series

• 1217 = Calibration code