Sierra / Mallory

Additional Details:

• For: I & Alpha I

Interchanges/Replaces

GLM

• 21421

Mercruiser Stern Drive

• 62104
• 621041

Key Features:

• Removes and installs the shift shaft bushing in the gear case of drive units and outboards
• MC-I, R-MR, and Alpha One

Interchanges/Replaces

GLM

• 90140

Mercury Marine

• 91-23033
• 91-23033T
• 91-24150
• 91-31107
• 91-31107T

Interchanges/Replaces

GLM

• 21010

Mallory

• 9-76133

Mercruiser Stern Drive

• 23-30617A1
• 23-30617A2
• 23-8M0112749

Mercury Marine

• 23-30617A1

Interchanges/Replaces

GLM

• 21020

Mallory

• 9-76134

Mercury Marine

• 23-37428A1
• 23-55419A1
• 23-77631A2

Additional Details:

• O.D.: 0.625"
• Shaft Size: 0.297"
• Width: 0.156"

Interchanges/Replaces

Mercury Marine

• 26-30696

Additional Details:

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

Interchanges/Replaces

GLM

• 21800

Mallory

• 9-78137

Mercruiser Stern Drive

• 12-29395

Mercury Marine

• 12-29395
• 12-8M0042641

Interchanges/Replaces

Mallory

• 9-72151

Mercruiser Stern Drive

• 33981
• 33981T
• 33981T1
• 8507521
• 8507522

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2163	GLM 21090 Mallory 9-72152 Mercruiser Stern Drive 10-31700	1	Shift Slide Screw		N/A

Additional Details:

• Fits: MC-I, R, MR, Alpha One & Gen II

Interchanges/Replaces

GLM

• 21090

Mallory

• 9-72152

Mercruiser Stern Drive

• 10-31700

Additional Details:

• Fits: MC-I, R, MR, Alpha One & Gen II

Interchanges/Replaces

GLM

• 11030

Mallory

• 9-78133

Mercruiser Stern Drive

• 19755A2
• 66067
• 66067T
• 818349A1
• 818349T1

Mercury Marine

• 818349A1

Additional Details:

• I.D.: 1.240"
• Size: 0.003"

Interchanges/Replaces

GLM

• 23590

Johnson/Evinrude Outboard

• 323362

OMC Stern Drive

• 323362

Additional Details:

• Size: (1) each .002, .003, .005, .010

Interchanges/Replaces

GLM

• 23260

Mercruiser Stern Drive

• 15-45691A1

Additional Details:

• Size: .055

Interchanges/Replaces

GLM

• 28380

Mercruiser Stern Drive

• 15-45811
• 15-71013
• 23-8M0124132

Additional Details:

• I.D.: 1.560"
• Size: 0.004"

Interchanges/Replaces

Johnson/Evinrude Outboard

• 320167

Additional Details:

• Size: 0.015"

Interchanges/Replaces

OMC Stern Drive

• 3852563
• 911839

Volvo Penta

• 3589522
• 3589524
• 3852563

Additional Details:

• Size: 0.003"

Interchanges/Replaces

OMC Stern Drive

• 911662

Interchanges/Replaces

GLM

• 23030

Volvo Penta

• 832675

Key Features:

• Formulated to protect your engine in the most demanding marine conditions
• Developed to replace the 10W-30 in warmer climates
• Meets or exceeds OE specifications for Outboard Oil
• Advanced additive package to prevent rust and corrosion
• Prevents breakdown under high RPM and maximum load conditions

Interchanges/Replaces

Yamaha Outboard

• LUB-20W40-FC-12

Key Features:

• Specifically formulated for Marine applications
• Premium lithium formulation for optimum corrosion protection in fresh and saltwater applications
• Ideal for marine trailer wheel bearing, U-joints and outdrive pivot pins
• Operating Temp: -40°F to 350°F

Additional Details:

• Size: 3 Oz. (85.05g) Cartridge (Pkg of 2)

Interchanges/Replaces

Mercury Marine

• 92-8M0071837

Key Features:

• Specifically formulated for Marine applications
• Premium lithium formulation for optimum corrosion protection in fresh and saltwater applications
• Ideal for marine trailer wheel bearing, U-joints and outdrive pivot pins
• Operating Temp: -40°F to 350°F

Additional Details:

• Size: 3 Oz. (85.05g) Cartridge (Pkg of 4)

Interchanges/Replaces

Mercury Marine

• 92-8M0071837

Key Features:

• Installs the aluminum sleeve in the u-joint bellows

Additional Details:

• Compatible Drive Units and Outboards: All Bravo, Alpha One/Gen II, and Blackhawk

Interchanges/Replaces

Mallory

• 9-79821

Mercury Marine

• 91-818162