Upper Unit Gear Set

Includes: (1) 18-1142 Mercruiser #31-32573A1
1.5:1 Ratio, Drive Gear = 22 teeth Driven Gear =
20 teeth, For Most V8 Drives and Gen II
(S/N K999999 and below).
Replaces: 43-18410A2, 43-18411A2.

O.E. No. 43-18410A2

Brand Name Order No. Price
EMP 4-2201 $446.99 H
Sierra 182201 $496.65 H