Powerhead Gasket Set 

Interchanges/Replaces

GLM

• 39360

Johnson/Evinrude Outboard

• 388602

Mallory

• 9-64117

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0117	GLM 34300 Johnson/Evinrude Outboard 317955 Mallory 9-60435	1	Exhaust Plate Gasket		N/A
18-0134	GLM 34540 Johnson/Evinrude Outboard 327707 Mallory 9-60428	2	Carburetor to Manifold Gasket		N/A
18-0953	GLM 34870 Johnson/Evinrude Outboard 317951	1	Water Passage Gasket		N/A
18-0955	GLM 33510 Johnson/Evinrude Outboard 318156	1	Exhaust Cover Gasket		N/A
18-0957	GLM 34880 Johnson/Evinrude Outboard 318373	1	Powerhead Base Gasket		N/A
18-0991	GLM 33660 Johnson/Evinrude Outboard 321907	4	Leaf Plate Gasket		N/A
18-2857	GLM 33750 Johnson/Evinrude Outboard 319771 386573 Mallory 9-60463	2	Air Silencer Gasket		N/A
18-2864	GLM 33640 Johnson/Evinrude Outboard 321727 342513 Mallory 9-60413	1	Powerhead Base Gasket		N/A
18-2866	GLM 34290 Johnson/Evinrude Outboard 317914 Mallory 9-60434	2	Exhaust Cover Gasket		N/A
18-2867	GLM 33180 Johnson/Evinrude Outboard 319174 Mallory 9-60438	1	Manifold to Crankcase Gasket		N/A
18-2873	GLM 33530 Johnson/Evinrude Outboard 318335 Mallory 9-60454	2	Water Jacket Gasket		N/A
18-2876	GLM 33280 Johnson/Evinrude Outboard 307133 Mallory 9-60426 OMC Stern Drive 307133	4	Bypass Cover Gasket		N/A