3/8 - 16 x 1 in. 12 point flange head
For mounting MCM thermostat housing, exhaust block off plate, and Alpha/Bravo top cover.
28300
9-78129
18-3231
s/s from 10-98794
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Mercury - Mercruiser 10-37612 Screw Genuine OEM Mercury-Mercruiser part. Special Order Item - Minimum Order Quantity 5.
Plug-Pipe, Mercury - Mercruiser 22-41622 3/4" - 14 NPT (cast iron) Replaces: GLM 21892 Mallory 9-41205 Sierra 18-4258
Mercury - Mercruiser 12-44164 Washer Genuine OEM Mercury-Mercruiser part. Replacement trim cylinder washer for Mercruiser Bravo Sterndrives.
Mercury Bravo 3 Diesel 15.5 x 27P LH Front Propeller 48-8M0074871 The Mercury Bravo 3 Diesel propeller is the best-performing propeller for diesel engines matched to Bravo III drives. This...
Sierra 18-3640 Mercury Thermostat - Replaces 8M0168892 Sierra replacement thermostat for Mercury Marine Outboards. Fits: Mercury 40-60HP (1C050252 & Up) Interchangeable...
Mercury - Mercruiser 90-10183030 Owners Manual Genuine OEM Mercury-Mercruiser part. Application: 25 HP Carb - [0T409000 THRU 1B344298] 25 HP Carb - [0P153500 THRU 0P388282]
Mercury - Mercruiser 8M0052100 Oil Drip Guard Genuine OEM Mercury-Mercruiser part.
Mercury - Mercruiser 821509T01 Relay Genuine OEM Mercury-Mercruiser part.
Mercury - Mercruiser 54-41582-5 Clamp Genuine OEM Mercury-Mercruiser part.
