The covering over the front part of the sled.

protective covering consisting of a metal part that covers the engine; "there are powerful engines under the hoods of new cars"; "the mechanic removed the cowling in order to repair the plane's engine"

The outside protective shell of a jet engine, traditionally made out of metal. Cowls mainly provide the engine with protection from the elements and with structural support.

removable metal housing or cover for engine.

the part of the fuselage that covers the engine

A specially shaped nose to enclose an engine.