Impeller
OEM: Mercury
Replaces: Mercury 89981 | 89981B | 65957 | 39074
For 1972-79 Mercury/Mariner 1-cyl, 4.0-4.5 Hp | 2-cyl, 7.5-9.8 Hp outboards.
Hub uses key
ID: 11.6 mm | OD: 32 mm
W: 14.4 mm | 6 blades
also crosses with:
Sierra: 18-3039
GLM: 89810
Mallory: 9-45305
UPC: 840080474618