Lower gearbox assembly 14mm for kenwood km300km310km400km410km416km440km500km600km800 km816km840pm900 kenwood genuine part number kw638869 the use of this spare part requires knowledge on how to repair electrical products therefore this should only be carried out by individuals with relevant experience electricshoppingcom takes no responsibility for damage caused due to incorrect fitting if you have any doubts please contact our spares service partner on 08704 03 02 48 or th