Description:
Fit Part Number: 73345 92647M 73345A1 18-4233 76281 69578Q1 18-3704
fit Engine: 25HP 30HP 35HP 40HP 45HP 50HP 60HP 70HP
Includes:
1 x 73345 92647M 73345A1 18-4233 Thrust Washer
1 x 76281 Tab Washer
1 x 69578Q1 18-3704 Propeller Nut
13Tooth Spline, 3 1/4'' Gearcase
Note: please carefully check the dimension with your old one before order it.
If you are unsure, please provide your engine model and serial number, or nameplate.

Extra information:
35-70 HP
25 HP (4S), 30 HP (2-CYL.), 40 HP, 50 HP (2 &; 3-CYL.) 2 &; 4 stroke, 25 HP (4S), 30 HP (2-CYL.), 40 HP, 50 HP (2 &; 3-CYL.) 2 &; 4 stroke, 35.70 hp, 50, 55, 60 3-Cyl 2 Stroke, 40, 50, 60 hp EFI 4 stroke, 4 Cyl.

This part can be found on the following exploded views:
(22) fit Mercury / Mariner 25 HP 25 - 50 HP (1997-06) 30, 40 HP (Carb 3 cyl) (EFI) 40 Italy 45 Bodensee 50 hp Gearcase Assy Parts
(34) fit Mercury Mariner 35-70 HP (2, 3 & 4-CYL.) Gearcase Assy Parts
(23) fit Mercury Mariner 50, 55, 60 HP (3-CYL.) (2 Stroke), 40, 50, 60 HP EFI (4-CYL.) (4-Stroke) Gearcase Assy Parts