Mercury Marine top cowl without decals for Mariner 30/40 EFI is an original OEM top cowl for selected 3-cylinder Mariner 4-stroke EFI outboard motors. The top cowl protects the engine's upper components and comes in a silver Mariner finish.
The top cowl is supplied without decals and is intended for Mariner 30 EFI from serial number 1C109093 and Mariner 40 EFI from serial number 1C043417. The current part is directly cataloged from serial number 1C456300 and up, while compatibility with earlier serial numbers is documented through the spare part replacement chain.
Mercury Marine spare part number 100-8M0118166, with core part number 8M0118166, replaces the previous OEM numbers 8M0049920 and 834785T42.
Always check your engine's model, serial number, and existing spare part number before ordering, as the design and graphics of the top cowl may vary between engine versions. Decals are not included.
Key featuresOriginal Mercury Marine OEM top cowl
Silver Mariner finish
Supplied without decals
For selected Mariner 30 and 40 EFI
For 3-cylinder 4-stroke engines
Replaces 8M0049920 and 834785T42
Check engine serial number before purchase
