Drive Parts - Mercury

Additional Details:

• Fits: IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II

Interchanges/Replaces

GLM

• 28390

Mallory

• 9-78105

Mercruiser Stern Drive

• 35983

Additional Details:

• For: IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One, Gen II, Vazer, TRS, Bravo I & IX

Interchanges/Replaces

GLM

• 21120

Mallory

• 9-72155

Mercruiser Stern Drive

• 35912
• 52834
• 79448

Mercury Marine

• 79448
• 8M2000347
• 8M2011027

Additional Details:

• Fits: R, MR, Alpha One, Gen II, Vazer & Bravo I, IX, XR, XZ

Interchanges/Replaces

GLM

• 11381

Mallory

• 9-72640
• 9-72643

Mercruiser Stern Drive

• 14-17460
• 14-18323

Mercury Marine

• 14-17460
• 14-18323

Additional Details:

• Fits: MC-I & TRS

Interchanges/Replaces

GLM

• 11380

Mallory

• 9-72641

Mercruiser Stern Drive

• 14-52833
• 14-79447

Mercury Marine

• 14-79447

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

Additional Details:

• Fits: Alpha One Gen II drives & multiple outboard applications

Interchanges/Replaces

GLM

• 12041
• 12824

Mallory

• 9-78110

Mercruiser Stern Drive

• 816597A1

Key Features:

• Starboard

Additional Details:

• Fits: MR/Alpha One

Interchanges/Replaces

GLM

• 21870

Mallory

• 9-78115

Mercruiser Stern Drive

• 93423
• 934231
• 934233