Replaces: Mercruiser: 1623-8951A43, 5-5010147CP, 623-8951A43, 8951A43, Sierra: 18-2443
OEM: 1623-8951A43
Engines: 6225577 + (1972-92)
Gear Teeth: 13/21
Splines: 13
OEM: 1623-8951A43
Replaces: 1547-861063A8
For: Gen II (1991 & UP) for gear ratios 1.81:1, 1.84:1. (17/19)
Engine: 4.3L/4.3LX
3 and 5 days withing the EU, up to 10 days elsewhere.
Can be returned or exchanged, with conditions.