Lower Unit Seal Kit 

Interchanges/Replaces

Chrysler/Force/US Marine

• 26-41365A3

GLM

• 87576

Mallory

• 9-74210

Mercury Marine

• 26-41365A1
• 26-41365A2
• 26-41365A3

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0581	Chrysler/Force/US Marine 26-413651 Mercury Marine 26-41365 26-413651	2	Oil Seal		N/A
18-0584	Chrysler/Force/US Marine 26-66022 26-F346118 F346116 F901118 F901118-1 F901118-2 GLM 86840 Mercury Marine 26-66022	1	Oil Seal		N/A
18-0585	Chrysler/Force/US Marine 26-821928 Mercury Marine 26-821928	1	Oil Seal		N/A
18-0586	Chrysler/Force/US Marine 26-99325 Mercury Marine 26-99325 Sears 26-99325	1	Oil Seal		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
18-4261	GLM 31330 Mallory 9-78002 Mercury Marine 12-20262 19643 Mercury Race Outboard 12-20262	1	Washer		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-2728	Chrysler/Force/US Marine 26-421021 GLM 12836 Mercury Marine 26-42102 26-421021 Sears 26-421021	1	Water Tube Seal		N/A
18-2558	GLM 31220 Mercury Marine 27-19204 27-19204 2 27-192041 27-192043 27-42205	1	Impeller Gasket		N/A
18-2559	Chrysler/Force/US Marine 27-19202 GLM 31230 Mercury Marine 27-19202 27-19202001 27-42206 Sears 27-19202	1	Impeller Gasket		N/A
NSS	Mercury Marine 46-42040A3 46-42040A5 46-42040T5	1	Water Pump Base	No Image	N/A