For Mercruiser V6 V8 / Volvo Penta Ignition Coil DR49 3861985 392-863704, For Mercruiser

1. OEM replacement reference numbers: DR49 3861985 / 392-863704 / 8m005458 / 3862167
2. The housing is made of high-temperature resistant engineering plastic, possessing moisture-proof, shock-proof, and oil-resistant properties, suitable for the engine compartment working environment.
3. The plug interface and installation dimensions are consistent with the original vehicle, allowing direct replacement of aging or damaged coils from the original vehicle.
4. When removing the old coil, first unplug the electrical connector, then unscrew the fixing bolts, gently rotate and pull out the coil body (avoid forced pulling).
5. After installation, start the engine and check if the malfunction indicator lamp goes out, confirming no abnormal vibration or misfire.
6. Applicable boat types:
- For Mercruiser V6, V8, 4.3, and 5.0 engines
- For Volvo Penta engines