VOLVO PENTA GEAR SET ,, DONT KNOW APPLICATIONS FOR THIS SET , THE SMALL END OF THE GEAR IS # 897805 . I have two sets of these.. if you need both sets we can work out a deal.. Im not 100 % sure but i believe this are for a lower 280 unit.. do your homework before you buy this item... ask me all the questions you want. i will answer to the best of my knowledge... If you need me to measure a specific section of the item let me know... any question to help to help determine if this is the part you need .. i will be listing thermostats kits soon.. If you choose the volvo penta category inside my store you will see all the parts i have listed .