Mercury Marine bottom cowl for manual tilt is an original OEM component for specified Mercury 2-stroke outboard motors. The cover forms the bottom part of the engine cowling and is supplied as an original factory part with part number 8M0143843.
The part is documented for Mercury 40 International, 40 Lightning XR International, and 50MH. The relevant parts catalog includes models from serial number 0N056165 and up, while this specific cover is specified for versions with manual tilt from serial number 0N255300 and up.
The power tilt version uses a different part number and must not be confused with this variant. Therefore, always check the engine's model, serial number, and tilt type before ordering.
Part number 8M0143843 replaces previous Mercury OEM numbers 8M0057107 and 8M0127939. The part is an original Mercury Marine OEM spare part and not an aftermarket part.
Key featuresOriginal Mercury Marine OEM spare part
Bottom motor cowl
Part number: 8M0143843
For Mercury 2-stroke outboard motors
For versions with manual tilt from serial number 0N255300 and up
Replaces OEM numbers 8M0057107 and 8M0127939
Check engine serial number and tilt type before purchase
