SEI Marine Products

Fits Mercruiser Alpha GEN II drive only
Has a hole through the middle for oil circulation

Fits Mercury / Mariner 3 cylinder 2 stroke
50-60 hp
20" Bigfoot unit only
11 Spline

Fits Mercury / Mariner 40-60 hp 4 stroke
25" Bigfoot lower only
17 Spline

1 Screw Mount. 46 Cu. In.
Made Of High Density
Polyethylene With Uv Additive.
Includes O-Ring, Mounting Screw &
Fill Cap With Screen.
Replaces Merc # 18525A1
Arco# M525
Sierra# 18-6771

Replaces OE# 806191T

Replaces OE# 815949

Arco# SW590
OE# 586774
Sierra# 18-5833

Replaces OE# 912628

Replaces OE# 3850426

Replaces OE# 914036

Replaces OE# 18654A1

Replaces OE# 69J-45375-00-00

Replaces OE# 60x-45375-00-00

Replaces OE# 324937

Replaces OE# 320961

Replaces OE# 320936

Replaces OE# 78458A1

Replaces OE# 12-32834

Replaces OE# 67891

Replaces OE# 815932