Lower Unit Seal Kit 

Interchanges/Replaces

GLM

• 87530

Mallory

• 9-74202

Mercury Marine

• 26-79831A1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2008	GLM 85480 Mallory 9-76104 Mercury Marine 26-56788	1	Oil Seal		N/A
18-2011	GLM 85080 Mallory 9-76107 Mercruiser Stern Drive 26-23300 26-90562 Mercury Marine 26-23300 26-29595 26-90562	1	Oil Seal		N/A
18-2048	GLM 85680 Mallory 9-76110 Mercury Marine 26-24590	1	Oil Seal		N/A
18-2051	Chrysler/Force/US Marine 26-69188 GLM 85120 Mallory 9-76113 Mercury Marine 26-69188	1	Oil Seal		N/A
18-2052	Chrysler/Force/US Marine 26-69189 GLM 85520 Mallory 9-76114 Mercury Marine 26-69189	1	Oil Seal		N/A
18-2054	Chrysler/Force/US Marine 26-816464 1 GLM 85581 Honda Outboard 91253-ZW1-003 Mallory 9-76116 Mercruiser Stern Drive 26-8164641 Mercury Marine 26-76384 26-816464 26-8164641	1	Oil Seal		N/A
18-2055	GLM 85580 Mallory 9-76117 Mercruiser Stern Drive 26-21642 26-26782 Mercury Marine 26-21642 26-26782 26-79831	1	Oil Seal		N/A
18-2823	GLM 31060 Mallory 9-60039 Mercruiser Stern Drive 27-32769 Mercury Marine 27-19553 27-32769	1	Lower Water Pump Gasket		N/A
18-2824	GLM 31070 Mallory 9-60029 Mercury Marine 27-19551 27-32770	1	Upper Water Pump Gasket		N/A
18-2825	GLM 31080 Mallory 9-60030 Mercury Marine 27-32771	1	Water Pump Base Gasket		N/A
18-2841	GLM 31190 Mallory 9-60033 Mercury Marine 27-19552 27-77417	1	Water Pump Base Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-2948	GLM 31180 Mallory 9-43629 Mercruiser Stern Drive 12-49221 Mercury Marine 12-49221 12-492211 27-23245 Mercury Sport Jet 12-49221	1	Rubber Washer		N/A
18-7115	GLM 82240 Johnson/Evinrude Outboard 302588 Mercruiser Stern Drive 25-20266 25-26722 Mercury Marine 25-20266 25-26722 OMC Stern Drive 302588	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	1	O-Ring		N/A
18-7155	Chrysler/Force/US Marine 25-26855 GLM 82230 Johnson/Evinrude Outboard 305270 Mallory 9-76541 Mercruiser Stern Drive 25-26855 Mercury Marine 25-26855 Yamaha Outboard 93210-41MJ2-00	1	O-Ring		N/A
18-7160	GLM 83340 Mallory 9-76545 Mercruiser Stern Drive 25-31986 Mercury Marine 25-31986	1	O-Ring		N/A
18-7174	Chrysler/Force/US Marine 25-45711 25-F455342 GLM 81140 Johnson/Evinrude Outboard 326649 553127 Mallory 9-76553 Mercruiser Stern Drive 25-45711 Mercury Marine 25-45711 Mercury Sport Jet 25-45711 OMC Stern Drive 326649 553127 910582	1	O-Ring		N/A
18-2316	GLM 30030 Mercruiser Stern Drive 12-77674 Mercury Marine 12-77674	1	Washer		N/A
NSS	Mercury Marine 26-38452	1	Seal	No Image	N/A