Powerhead Gasket Set 

Interchanges/Replaces

GLM

• 39080

Johnson/Evinrude Outboard

• 389556
• 391300
• 439085

Mallory

• 9-64112

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0102	GLM 33680 Johnson/Evinrude Outboard 323469	1	Exhaust Manifold Gasket		N/A
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
18-0850	GLM 34080 Johnson/Evinrude Outboard 303615 Mallory 9-60436	1	Fuel Pump Gasket		N/A
18-0953	GLM 34870 Johnson/Evinrude Outboard 317951	1	Water Passage Gasket		N/A
18-0977	GLM 33650 Johnson/Evinrude Outboard 321897 332369 Mallory 9-60448	2	Thermostat Gasket		N/A
18-0985	GLM 33630 Johnson/Evinrude Outboard 321722 Mallory 9-60417	1	Air Silencer Gasket		N/A
18-0991	GLM 33660 Johnson/Evinrude Outboard 321907	4	Leaf Plate Gasket		N/A
18-2547	GLM 34450 Johnson/Evinrude Outboard 322858	1	Water Passage Cover 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
18-2956	GLM 33540 Johnson/Evinrude Outboard 318358 Mallory 9-63828	2	Head Gasket		N/A
18-7133	GLM 82400 Johnson/Evinrude Outboard 305123 321119 Mallory 9-76529 OMC Stern Drive 305123	4	O-Ring
18-2001	GLM 86030 Johnson/Evinrude Outboard 0330137 310600 313398 317761 321463 321668 Mallory 9-76212 OMC Stern Drive 310600 313398 321463 330137	1	Oil Seal		N/A
18-2074	GLM 86440 Johnson/Evinrude Outboard 318451 322575 339620	1	Oil Seal		N/A
18-8307	GLM 86790 Johnson/Evinrude Outboard 0331103	1	Lower Main Seal		N/A
18-0999-9	Johnson/Evinrude Outboard 323459	1	Inner Exhaust Gasket (Priced Per Pkg of 2)		N/A