Outdrive Gasket Set 

Additional Details:

• Fits: MC-I drives (s/n 6225576 & Below) (1967-1982)

Interchanges/Replaces

GLM

• 39590

Mallory

• 9-62602
• 9-62602-25

Mercruiser Stern Drive

• 27-45821
• 27-64818
• 27-64818A1
• 27-64818A20
• 27-64818A4
• 27-64818Q4
• 27-64818T4

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2820	Mercruiser Stern Drive 27-45821 27-64818 27-64818A1 27-64818A20 27-64818A4 27-64818Q4	1	Outdrive Gasket		N/A
18-2840	GLM 31160 Mercruiser Stern Drive 27-35982	1	Bell Housing Gasket		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		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