Sierra / Mallory

Key Features:

• A special molded nylon propnut fitting the 18/20/25 Hp 2 cycle 1980 & newer
• Also fitting the F9.9/15, 323cc Bigfoot 4-stroke

Interchanges/Replaces

Chrysler/Force/US Marine

• 11-88228

GLM

• 21242

Mallory

• 9-73963

Mercury Marine

• 11-88228

Sears

• 11-88228

Interchanges/Replaces

Mallory

• 9-73908

Yamaha Outboard

• 90171-16011-00
• 95307-16900-00

Interchanges/Replaces

GLM

• 21241

Mallory

• 9-73909

Suzuki Outboard

• 09141-18005

Yamaha Outboard

• 90171-18M04-00

Interchanges/Replaces

GLM

• 22185

Johnson/Evinrude Outboard

• 398042
• 5008966

OMC Stern Drive

• 3850984
• 398042

Volvo Penta

• 3850984

Interchanges/Replaces

GLM

• 22150

Johnson/Evinrude Outboard

• 314503

Mallory

• 9-73903

OMC Stern Drive

• 314503

Additional Details:

• Fits:: Bravo III (Front)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3783	Mercruiser Stern Drive 11-805092 11-805092T 11-859131 11-8M0105210	1	Prop Nut		N/A
18-3784	Mercruiser Stern Drive 805100 805100T	1	Thrust Washer		N/A

Additional Details:

• Fits:: Bravo III (Rear)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3786	Mercruiser Stern Drive 11-805093 11-862907	1	Prop Nut		N/A
18-3787	Mercruiser Stern Drive 805101T	1	Thrust Washer		N/A

Interchanges/Replaces

GLM

• 22340

Johnson/Evinrude Outboard

• 175268

Mallory

• 9-73951

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3707	GLM 22170 Johnson/Evinrude Outboard 319891	1	Prop Nut		N/A
18-3743	GLM 22130 Johnson/Evinrude Outboard 320785	1	Cotter Pin		N/A
18-4232	GLM 22260 Johnson/Evinrude Outboard 323943	1	Prop Spacer		N/A

Interchanges/Replaces

GLM

• 22350

Johnson/Evinrude Outboard

• 175267

Mallory

• 9-73952

OMC Stern Drive

• 175267

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3705	GLM 22150 Johnson/Evinrude Outboard 314503 Mallory 9-73903 OMC Stern Drive 314503	1	Prop Nut		N/A
18-3742	GLM 22120 Johnson/Evinrude Outboard 314502 OMC Stern Drive 314502	1	Cotter Pin		N/A
18-4228	GLM 22250 Johnson/Evinrude Outboard 315810 OMC Stern Drive 315810	1	Prop Spacer		N/A

Interchanges/Replaces

GLM

• 22200

Johnson/Evinrude Outboard

• 175266

Mallory

• 9-73953

OMC Stern Drive

• 175266

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3708-1	GLM 22185 Johnson/Evinrude Outboard 398042 5008966 OMC Stern Drive 3850984 398042 Volvo Penta 3850984	1	Prop Nut & Keeper		N/A
18-3741	GLM 22110 Johnson/Evinrude Outboard 309955 OMC Stern Drive 309955	1	Cotter Pin		N/A
18-4231	GLM 22190 Johnson/Evinrude Outboard 320570 332118 Mallory 9-73905 OMC Stern Drive 320570 332118	1	Prop Spacer		N/A

Additional Details:

• For: Mercury/Mariner 75hp & higher O/Bs (except 225EFI 4-Stroke) & MerCruiser Alpha One & Bravo Drives

Interchanges/Replaces

Chrysler/Force/US Marine

• 11-52707A1

GLM

• 21250

Honda Outboard

Mallory

• 9-73960

Mercruiser Stern Drive

• 11-52707A1
• 11-52707A2
• 11-52707Q1

Mercury Marine

• 11-52707A1
• 11-52707Q1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3200	Chrysler/Force/US Marine 14-816629 14-F697140 GLM 21210 Honda Outboard 90508-ZW1-003 Mallory 9-73900 Mercruiser Stern Drive 14-31210 14-816629 14-816629B 14-816629Q Mercury Marine 14-31210 14-816629 14-816629Q Pleasurecraft R096117	2	Tab Washer		N/A
18-3700	Chrysler/Force/US Marine 11-52707A1 11-F7000 F7040 GLM 21230 Honda 90301-ZW1-003 Mercruiser Stern Drive 11-52707 11-52707B 11-827614 11-827614B Mercury Marine 11-52707 11-827614 Pleasurecraft R017066	1	Prop Nut		N/A

Additional Details:

• For: Mercury/Mariner 30-60 hp outboard engines

Interchanges/Replaces

Chrysler/Force/US Marine

• 11-69578A1

GLM

• 21260

Mallory

• 9-73961

Mercury Marine

• 11-69578A1
• 11-69578Q1
• 11-69578T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3204	Chrysler/Force/US Marine 14-76281 GLM 21220 Mercury Marine 14-76281	2	Tab Washer		N/A
18-3704	GLM 21240 Mallory 9-73901 Mercury Marine 11-69578 11-69578A1 11-69578A2 11-69578Q1	1	Prop Nut		N/A

Interchanges/Replaces

GLM

• 21261

Mallory

• 9-73991

Yamaha Outboard

• 6H1-W4599-00-00

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2380	GLM 22090 Mallory 9-73911 Yamaha Outboard 91401-30028-00 91401-30030-00 91402-30022-00 91402-30022-09 91402-30028-00 91402-30028-09 91490-30022-00 91490-30025-00 91490-30030-00	1	Cotter Pin		N/A
18-4274	GLM 22191 Mallory 9-73915 Yamaha Outboard 688-45997-00-00 688-45997-01-00	1	Prop Spacer		N/A
18-3732	Mallory 9-73908 Yamaha Outboard 90171-16011-00 95307-16900-00	1	Prop Nut		N/A
NSS	Yamaha Outboard 90201-17M00-00	1	Washer, Plate	No Image	N/A

Interchanges/Replaces

GLM

• 21251

Mallory

• 9-73992

Yamaha Outboard

• 6G5-W4599-00-00

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3726	GLM 21241 Mallory 9-73909 Suzuki Outboard 09141-18005 Yamaha Outboard 90171-18M04-00	1	Prop Nut		N/A
18-3735	Johnson/Evinrude Outboard 5030087 Mallory 9-73912 Suzuki Outboard 09204-03001 09204-03003 09204-03004 Yamaha Outboard 91401-40025-00 91401-40028-00 91401-40030-00 91490-40025-00 91490-40030-00	1	Cotter Pin		N/A
18-4274	GLM 22191 Mallory 9-73915 Yamaha Outboard 688-45997-00-00 688-45997-01-00	1	Prop Spacer		N/A
NSS	Yamaha Outboard 92990-18200-00	1	Washer	No Image	N/A

Additional Details:

• For: All #1 & MR/Alpha Units s/n 2791957 & Up
• For: 165 (6 cyl) s/n 2763442 & Up

Interchanges/Replaces

GLM

• 11150
• 11155

Mallory

• 9-72450

Mercruiser Stern Drive

• 44-55857
• 44-66060
• 44-660602
• 44-660603
• 44-824110
• 44-8M0140440

Mercury Marine

• 44-824110

Interchanges/Replaces

GLM

• 22414

Johnson/Evinrude Outboard

• 391472
• 395209

OMC Stern Drive

• 391472
• 395209

Additional Details:

• Rotation: Standard (RH)
• Fits: Alpha One Gen II (s/n 0L100040 & Up) Vazer

Interchanges/Replaces

Chrysler/Force/US Marine

• 44-850308

Mercruiser Stern Drive

• 44-850308

Mercury Marine

• 44-850308
• 44-8M0140445

Interchanges/Replaces

GLM

• 22250

Johnson/Evinrude Outboard

• 315810

OMC Stern Drive

• 315810

Interchanges/Replaces

GLM

• 22252

Mallory

• 9-73904

OMC Stern Drive

• 3852350

Volvo Penta

• 3852350

Interchanges/Replaces

GLM

• 22190

Johnson/Evinrude Outboard

• 320570
• 332118

Mallory

• 9-73905

OMC Stern Drive

• 320570
• 332118