Mercury Kiekhaefer Outboard Flywheel Key Keyway 28-21369 Model-K MOD-K Early Transom Plate This is the Y-Tube that

This is the Y-Tube that is the early V-engines 3" inlet model and NOT the 4" style found on later & current models

307282 / 0307282 / 0382599 Clamp / Stern bracket assembly

Early OMC versions of this were typically stamped 910840 / 0910840 or 983064 / 0983064 (1982 & 1983) rather than having the GM stamped number

0L V8 / also the very rare instances of alpha ones paired with 454's However take special note of the yoke length as described below

The part number is located inside of the center-inside/underside of the cap

Mercury Kiekhaefer Outboard Flywheel Key Keyway 28-21369 Model-K MOD-K Early Transom Plate This is the Y-Tube thatItem Description Mercury Part Number 28 21369 Set of 4 As pictured Found on Mercury Model K (Mod K) very early models If you are unsure on compatibility feel free to ask! Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might work on more models than listed in the title and or the description, Please do your own research There might be some