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Part No. 12322054 is a high-energy ignition coil exclusively for DEUTZ MWM gas engines. It is an original genuine part compatible with spark plug 12420480 and cylinder head gasket 12420482. It converts low voltage into high voltage to generate powerful ignition sparks.
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)
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
Inspection & Cleaning: Check the housing for cracks, connectors for oxidation and high-voltage port for oil contamination.
Mounting Torque: 15±2 Nm for M8 fixing bolts; 8±1 Nm for high-voltage cables.
Electrical Connection: Fully insert and lock the low-voltage plug; ensure firm connection of high-voltage cables without looseness.
Gap Matching: Keep the spark plug gap strictly at 0.3 mm to guarantee spark transmission efficiency.
Replacement Cycle: Replace every 16,000 operating hours or 24 months, whichever comes first. Replacement together with spark plugs is recommended.
Insulation Test: Test insulation resistance between windings and housing every 6 months. Qualified standard: ≥ 50 MΩ.
