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If you need new parts to service or repair your MerCruiser inboard motor you're in the right place. is the #1 online source for genuine Mercury inboard parts and MerCruiser inboard parts with thousands of OEM parts and accessories in stock. You'll find replacement inboard motor parts for all MerCruiser models and years, including MerCruiser 140 parts. Using our easy-to-navigate website type your inboard's serial number into the search box to access the parts page for your exact inboard motor. If you don't know your MerCruiser's serial number it is usually located on the upper drive shaft housing (starboard side or on the back of the housing), on some models the serial number is located by the flywheel housing near the starter, or on the rocker arm or flame arrestor cover. We recommend you make a note of the serial number and keep it for future reference.

From the parts page you'll be able to view the exploded parts diagrams to pinpoint the MerCruiser boat parts you need and we'll ship your order direct to your door. All our OEM MerCruiser inboard motor parts are discounted up to 80% below retail and come with our unbeatable price match guarantee! We also offer free shipping on all qualifying orders.