Transom Seal Kit 

Key Features:

• Greasable Gimbal Bearing

Additional Details:

• For: I, R, MR, Alpha I with exhaust tube

Interchanges/Replaces

GLM

• 21951

Mallory

• 9-72901

Mercruiser Stern Drive

• 30-803098T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2100	GLM 21900 Mallory 9-72410 Mercruiser Stern Drive 30-60794A2 30-60794A4 30-60794B4 30-879194A02 OMC Stern Drive 3853807 983937 Volvo Penta 21752712 3853807	1	Heavy Duty Gimbal Bearing		N/A
18-2751	GLM 89050 Mallory 9-72701 Mercruiser Stern Drive 60932A1 60932A4	1	U-Joint Bellows		N/A
18-2760	GLM 89150 Mallory 9-72810 Mercruiser Stern Drive 78458 78458A1	1	Exhaust Tube		N/A
18-3601	GLM 47120 Mallory 9-73001 Mercruiser Stern Drive 32-32461 32-32461A1	1	Water Intake Hose		N/A
18-3602	GLM 47110 Mallory 9-73002 Mercruiser Stern Drive 32-4172533 32-8M0062309 32-8M0109048	1	Water Intake Hose		N/A
18-2743	GLM 31141 Mallory 9-61012 Mercruiser Stern Drive 27-94996 27-949962 27-94996A20	1	Outdrive Mounting Gasket		N/A
18-2840	GLM 31160 Mercruiser Stern Drive 27-35982	1	Bell Housing Gasket
18-7153	GLM 81180 Mallory 9-76505 Mercruiser Stern Drive 25-25439 Mercury Marine 25-25439 Mercury Race Outboard 25-25439 Mercury Race Sterndrive 25-25439 OMC Stern Drive 3852565 911851 Volvo Penta 3852565 997368	2	O-Ring
18-7117	GLM 82150 Johnson/Evinrude Outboard 303360 Mallory 9-76507 Mercruiser Stern Drive 25-35027 Mercury Marine 25-35027	1	O-Ring		N/A
18-7170	Chrysler/Force/US Marine 25-33504 GLM 82200 Johnson/Evinrude Outboard 307239 Mallory 9-76502 Mercruiser Stern Drive 25-33504 Mercury Marine 25-33504 OMC Stern Drive 307239 3852071 Volvo Penta 3852071	1	O-Ring		N/A
18-7321	GLM 21790 Mallory 9-73115 Mercruiser Stern Drive 54-38863 54-866507 54-8M0090424	1	Bellows Clamp		N/A
18-2753-2	GLM 89080 Mercruiser Stern Drive 31659 74639 74639A2	1	Shift Cable Bellows		N/A
18-710-24-2		1	Hose Clamp-1-1/16 TO 2		N/A
18-710-16-2		2	Hose Clamp-11/16 TO 1-1/2