Upper Drive Nut Cap 

Additional Details:

• For: Gen II s/n 0F680000 & Up

Interchanges/Replaces

GLM

• 28402

Mallory

• 9-78120

Mercruiser Stern Drive

• 18312A3
• 828692A1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1179	GLM 21511 Mallory 9-75106 Mercruiser Stern Drive 31-32575A1 31-32575T1 Mercury Marine 31-32575A1 31-32575T1	1	Tapered Roller Bearing		N/A
18-7161	GLM 80420 Mallory 9-76546 Mercruiser Stern Drive 25-32546 Mercury Marine 25-32546	1	O-Ring		N/A
18-2282	GLM 23261 Mercruiser Stern Drive 15-32563A1 Mercury Marine 15-32563A1	1	Shim Set		N/A