Ignition Coil 12322054 (Genuine DEUTZ/MWM Part)

1. Basic Information

• Part Number: 12322054
• Name: Ignition Coil
• Brand: DEUTZ / MWM
• Applicable Models:
  
  
  DEUTZ MWM TBG 616/620 gas engines
  
  
  DEUTZ MWM TCG 2016/2020/2032 series (V12/V16/V20)
  
  
  Industrial gas units fueled by natural gas, biogas, landfill gas, coal bed gas and so on
• Function: Boost voltage and generate high-energy sparks. Designed for gas engines with high explosion pressure, it ensures reliable ignition during cold start and heavy-load operation.
• Matching Parts: Core component of the ignition system, matched with spark plug 12420480, ignition module and high-voltage cables.

2. Material & Manufacturing Process

• Iron Core: Laminated high-permeability silicon steel sheet, low power loss and high efficiency.
• Windings:
  
  
  Primary winding: High-temperature resistant enameled copper wire with low resistance and large current capacity.
  
  
  Secondary winding: Extra-fine high-strength enameled wire with multiple turns and high voltage resistance.
• Insulation & Encapsulation: Vacuum encapsulated with high-temperature epoxy resin, featuring moisture-proof, dust-proof, vibration-resistant and chemical corrosion resistant properties.
• Housing: Flame-retardant engineering plastic, anti-aging and resistant to temperature variation.
• Operating Temperature: -40℃ ~ +150℃ (continuous operation), peak temperature up to +180℃.
• Ingress Protection: IP65 (dustproof and waterproof).

3. Electrical Parameters (Original Standard)

• Input Voltage: DC 24V (dedicated for gas engines)
• Primary Resistance: 0.5～0.8 Ω (at 20℃)
• Secondary Resistance: 12～15 kΩ (at 20℃)
• No-load Output Voltage: ≥ 35 kV
• Spark Energy: ≥ 80 mJ
• Primary Current: ≤ 7.5 A
• Max. Ignition Frequency: 200 Hz (suitable for engines at 3000 rpm)
• Withstand Voltage: ≥ 45 kV (between windings and housing)

4. Overall Dimensions & Interfaces

• Dimensions (L × W × H): Approx. 180×80×70 mm
• Unit Weight: Approx. 1.2 kg
• Low-voltage Connector: 3-pin waterproof plug (24V power, ground wire, ECU signal)
• High-voltage Output: M14×1.5 threaded port for high-voltage cable connection
• Mounting Type: Two-point fixing with M8 bolts, anti-vibration design.

5. Functions & Features

• High-energy Ignition: Delivers 35 kV high voltage and 80 mJ spark energy. Adaptable to gas engines with high compression ratio and lean burn operation to avoid misfire.
• Vibration Resistance & Durability: Vacuum encapsulation and reinforced structure withstand vibration of 250 m/s² within 5~2500 Hz, ensuring long service life for industrial application.
• Stable Performance in Wide Temperature Range: Reliable cold start at -40℃ and stable performance without attenuation at 150℃.
• Low Electromagnetic Interference: Built-in damper and shielding layer suppress electromagnetic interference and protect ECU and sensors.
• Multi-fuel Compatibility: Suitable for natural gas, biogas, coal bed gas and other fuels. Resists carbon deposition and coking under poor gas quality conditions.

6. Replacement & Compatibility

• Genuine Alternative Part No.: 12322054 (No updated replacement part)
• Equivalent Models:
  
  
  Bo sch: 0221504002
  
  
  BERU: 004010204
  
  
  MOTORTECH: IC-620
• Recommended Aftermarket Brands: Bo sch, BERU, MOTORTECH. Products must comply with 24V input, 35kV output, 80mJ spark energy and original mounting dimensions.

7. Installation & Maintenance Instructions

1. Inspection & Cleaning: Check the housing for cracks, connectors for oxidation and high-voltage port for oil contamination.
2. Mounting Torque: 15±2 Nm for M8 fixing bolts; 8±1 Nm for high-voltage cables.
3. Electrical Connection: Fully insert and lock the low-voltage plug; ensure firm connection of high-voltage cables without looseness.
4. Gap Matching: Keep the spark plug gap strictly at 0.3 mm to guarantee spark transmission efficiency.
5. Replacement Cycle: Replace every 16,000 operating hours or 24 months, whichever comes first. Replacement together with spark plugs is recommended.
6. Insulation Test: Test insulation resistance between windings and housing every 6 months. Qualified standard: ≥ 50 MΩ.