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Cobra
EMPTY LOWER GEAR HOUSING (1986-1993)
Ready for Your Components! Don’t scrap a boat because of a damaged or
corroded lower gear housing! Replace it with a NEW housing from GLM!
No. 28800 No. 28900
OEM: 439972 OEM: 984978
Large Gear Housing Small Gear Housing
Side View Rear View Side View Rear View
Top View Top View
List of Improvements made to the GLM housing:
Sand Cast from superior A356T5 Aluminum Alloy.
Mercuiser style pressed fit pinion needle bearing.
Prop Shaft Carrier is retained with bolts and tabs (1991-93 style).
Prop Shaft Carrier is prevented from rotating with a key and groove.
Water pick-up screens are removable w/out disassembling the drive (1991-93 style).
Model Year Gear Housing Prop Shaft Carrier
2.3L 4-Cyl. Ford 1987-1991 28900 Small Housing 11388
3.0L 4-Cyl. Chevy 1986-1989 28900 Small Housing 11388
3.0L 4-Cyl. Chevy 1990-1993 28800 Large Housing 11406 (1990)
4.3L V6 1986-1993 28800 Large Housing 11406 (1986-1990)
5.0 L Chevy/Ford 1986-1993 28800 Large Housing 11406 (1986-1990)
5.7L Chevy 1986-1993 28800 Large Housing 11406 (1986-1990)
5.8L Chevy 1986-1993 28800 Large Housing 11406 (1986-1990)
www.glmmarine.com 37
