Upper Unit Gear Repair Kit 

Additional Details:

• Ratio: 1.84:1 & 1.81:1
• Teeth: 17-19
• For: Gen II applications s/n range up to 0K999999 only

Interchanges/Replaces

GLM

• 11236

Mercruiser Stern Drive

• 43-803120T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2283	GLM 23260 Mercruiser Stern Drive 15-45691A1	1	Shim Set		N/A
18-2292	GLM 23280 Mercruiser Stern Drive 15-35980A1	1	Shim Kit		N/A
18-2293	GLM 23270 Mercruiser Stern Drive 15-23097A1 15-36178A02 15-36178A1 15-39899A1	1	Shim Kit		N/A
18-1161	GLM 21540 Johnson/Evinrude Outboard 983891 Mallory 9-75122 Mercruiser Stern Drive 31-35990A1 OMC Stern Drive 983891	1	Tapered Roller Bearing		N/A
18-1165	GLM 21510 Mallory 9-75117 Mercruiser Stern Drive 31-61100A1	1	Tapered Roller Bearing		N/A
18-2644	GLM 87501 Mallory 9-74302 Mercruiser Stern Drive 26-88397A1	1	Upper Unit Seal Kit		N/A
18-1160	GLM 21520 Mallory 9-75123 Mercruiser Stern Drive 31-35988A12 31-35988A2	1	Drive Bearing Kit		N/A
18-2204	GLM 11230 Mercruiser Stern Drive 43-75324A2 43-75325A3	1	Upper Unit Gear Set		N/A
18-2820	Mercruiser Stern Drive 27-45821 27-64818 27-64818A1 27-64818A20 27-64818A4 27-64818Q4	1	Outdrive Gasket		N/A
18-2743	GLM 31141 Mallory 9-61012 Mercruiser Stern Drive 27-94996 27-949962 27-94996A20	1	Outdrive Mounting Gasket		N/A
18-7170	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
18-7117	GLM 82150 Johnson/Evinrude Outboard 303360 Mallory 9-76507 Mercruiser Stern Drive 25-35027 Mercury Marine 25-35027	1	O-Ring		N/A
18-7153	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