Drive Parts - Gear Set and Kit

Key Features:

• Includes Water Pump and Complete Seal Kit

Additional Details:

• For:: Mercruiser R/MR/Alpha I

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-2340	GLM 30010 Mercruiser Stern Drive 12-31266 Mercury Marine 12-31266	1	Shift Shaft Washer		N/A
18-2076	Chrysler/Force/US Marine 26-12224 26-F697118 GLM 85700 Mallory 9-76101 Mercruiser Stern Drive 26-12224 Mercury Marine 26-12224	1	Oil Seal		N/A
18-7159	GLM 83440 Mallory 9-76544 Mercruiser Stern Drive 25-31534 25-48451 Mercury Marine 25-31534	1	O-Ring		N/A
18-2002	Chrysler/Force/US Marine 26-76868 GLM 85130 Honda Outboard 91252-ZW1-003 Johnson/Evinrude Outboard 0320862 Mallory 9-76202 Mercruiser Stern Drive 26-30550 26-76868 Mercury Marine 26-30550 26-70019 26-73838 26-76868 OMC Stern Drive 320862	1	Oil Seal		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-2154	GLM 21010 Mallory 9-76133 Mercruiser Stern Drive 23-30617A1 23-30617A2 23-8M0112749 Mercury Marine 23-30617A1	1	Shift Shaft Housing Bushing		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
18-2013	GLM 85040 Mallory 9-76108 Mercruiser Stern Drive 26-16977 26-31507 26-79884 802276 Mercury Marine 26-16977 26-20465 26-31507 26-79884 802276	1	Oil Seal		N/A
18-2014	Chrysler/Force/US Marine 26-F694305 GLM 85070 Mallory 9-76109 Mercruiser Stern Drive 26-33144 26-77634 26-89238 Mercury Marine 26-33144< li> 26-77634 26-89238	1	Oil Seal		N/A
18-2009	GLM 85050 Mallory 9-76105 Mercruiser Stern Drive 26-31249 26-46021 26-89236 26-892361 Mercury Marine 26-25776 26-31249 26-89236	1	Oil Seal		N/A
18-7153	GLM 81180 Mallory 9-76505 Mercruiser Stern Drive 25-25439 Mercury Marine 25-25439 Mercury Race Outboard 25-25439 Mercury Race Sterndrive 25-25439 OMC Stern Drive 3852565 911851 Volvo Penta 3852565 997368	1	O-Ring		N/A

Additional Details:

• For: "R" drive

Interchanges/Replaces

GLM

• 25115

Mercruiser Stern Drive

• 43-803079T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1155	GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Marine 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Race Outboard 30-35914 30-88957 30-88957A1 30-88957T	1	Ball Bearing		N/A
18-1157	Chrysler/Force/US Marine 31-30895 GLM 11420 Honda Outboard 91057-ZW1-003 Mallory 9-75111 Mercruiser Stern Drive 31-30895 31-30895T Mercury Marine 31-30895 31-30895T	1	Foward Gear Inner Bearing		N/A
18-1159	GLM 21590 Mallory 9-75120 Mercruiser Stern Drive 31-35928A1 31-35928T1 Mercury Marine 31-35928A1	1	Tapered Roller Bearing		N/A
18-2200	GLM 11300 Mercruiser Stern Drive 43-61027 43-96084A4	1	Gear Set		N/A
18-2202	GLM 11060 Mallory 9-73474 Mercruiser Stern Drive 52-66063 52-824112 52-853594 52-853594T Mercury Marine 52-824112	1	Sliding Clutch		N/A
18-2285	GLM 23220 Mercruiser Stern Drive 15-35931A1 15-47397A1 Mercury Marine 15-47397A1	1	Shim Set		N/A
18-2299	GLM 11380 Mallory 9-72641 Mercruiser Stern Drive 14-52833 14-79447 Mercury Marine 14-79447	1	Tab Washer		N/A
18-3719	Chrysler/Force/US Marine 11-35921 11-826375 11-F694188 GLM 11190 Johnson/Evinrude Outboard 314730 Mallory 9-78103 Mercruiser Stern Drive 11-35921 Mercury Marine 11-35921 11-47411 11-826375 OMC Stern Drive 314730	1	Pinion Nut		N/A
NSS	Mercruiser Stern Drive 31-53079A1	1	Tapered Roller Bearing Assembly	No Image	N/A

Additional Details:

• For: MR/Alpha I

Interchanges/Replaces

GLM

• 25125

Mallory

• 9-79200

Mercruiser Stern Drive

• 43-803091T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1117	Chrysler/Force/US Marine 31-42647A1 31-F694057 GLM 21610 Johnson/Evinrude Outboard 387817 5007751 Mallory 9-75121 Mercruiser Stern Drive 31-42647 31-42647A1 Mercury Marine 31-42647A1 OMC Stern Drive 387817	1	Pinion Bearing		N/A
18-1143	GLM 21580 Mallory 9-75107 Mercruiser Stern Drive 31-36387A1 Mercury Marine 31-36387A1	1	Tapered Roller Bearing		N/A
18-1155	GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Marine 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Race Outboard 30-35914 30-88957 30-88957A1 30-88957T	1	Ball Bearing		N/A
18-1158	Chrysler/Force/US Marine 31-30956 31-F523058 GLM 11410 Honda Outboard 91053-ZW1-003 Johnson/Evinrude Outboard 387247 Mallory 9-75112 Mercruiser Stern Drive 31-30956 31-30956T Mercury Marine 31-30956 31-30956T OMC Stern Drive 387247	1	Carrier Bearing		N/A
18-2202	GLM 11060 Mallory 9-73474 Mercruiser Stern Drive 52-66063 52-824112 52-853594 52-853594T Mercury Marine 52-824112	1	Sliding Clutch		N/A
18-2285	GLM 23220 Mercruiser Stern Drive 15-35931A1 15-47397A1 Mercury Marine 15-47397A1	1	Shim Set		N/A
18-2294	GLM 23210 Mercruiser Stern Drive 15-42637A1 Mercury Marine 15-42637A1 15-8M0063267	1	Shim Kit		N/A
18-2298	GLM 11381 Mallory 9-72640 9-72643 Mercruiser Stern Drive 14-17460 14-18323 Mercury Marine 14-17460 14-18323	1	Tab Washer		N/A
18-2299	GLM 11380 Mallory 9-72641 Mercruiser Stern Drive 14-52833 14-79447 Mercury Marine 14-79447	1	Tab Washer		N/A
18-2343	Chrysler/Force/US Marine 12-92721 12-F694186 GLM 32800 Mallory 9-78108 Mercruiser Stern Drive 12-92721 Mercury Marine 12-92721	1	Pinion Nut Washer		N/A
18-2652	GLM 87510 Mallory 9-74304 Mercruiser Stern Drive 26-33144A1 26-33144A2 26-89238A1	1	Lower Unit Seal Kit		N/A
18-3719	Chrysler/Force/US Marine 11-35921 11-826375 11-F694188 GLM 11190 Johnson/Evinrude Outboard 314730 Mallory 9-78103 Mercruiser Stern Drive 11-35921 Mercury Marine 11-35921 11-47411 11-826375 OMC Stern Drive 314730	1	Pinion Nut		N/A
18-2206-1		1	Gear Set		N/A

Interchanges/Replaces

Mallory

• 9-73510

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2308	GLM 22663 Johnson/Evinrude Outboard 332491 Mallory 9-73514	1	Sliding Clutch		N/A
18-2310	GLM 22661 Johnson/Evinrude Outboard 397627 Mallory 9-73511	1	Gear Set		N/A
18-2309	GLM 22662 Johnson/Evinrude Outboard 332489 Mallory 9-73512	1	Reverse Gear		N/A

Key Features:

• Includes Forward & Pinion Gears

Interchanges/Replaces

GLM

• 22661

Johnson/Evinrude Outboard

• 397627

Mallory

• 9-73511

Interchanges/Replaces

GLM

• 22631

Johnson/Evinrude Outboard

• 434063
• 436746
• 985050

Mallory

• 9-73561

OMC Stern Drive

• 985050

Additional Details:

• For: 888 s/n 3106717 & Up
• For: #1 Units s/n 3469428 & Up except MR/Alpha unit (which have no pre-load pin top drive shaft)

Interchanges/Replaces

GLM

• 11300

Mercruiser Stern Drive

• 43-61027
• 43-96084A4

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1150	GLM 21600 Mercruiser Stern Drive 31-92366 31-92366A1	1	Needle Roller Bearing		N/A
18-1157	Chrysler/Force/US Marine 31-30895 GLM 11420 Honda Outboard 91057-ZW1-003 Mallory 9-75111 Mercruiser Stern Drive 31-30895 31-30895T Mercury Marine 31-30895 31-30895T	1	Foward Gear Inner Bearing		N/A
18-2409	GLM 11020 Mercruiser Stern Drive 43-92320 43-92320T	1	Reverse Gear		N/A
18-2410	GLM 11100 Mercruiser Stern Drive 43-96084A5 43-96084A7	1	Forward Gear Set		N/A

Additional Details:

• Drive Gear: 22 Teeth
• Driven Gear: 20 Teeth
• Ratio: 1.5:1
• For: most V-8 drives & Gen II (s/n 0K999999 & Below)

Interchanges/Replaces

GLM

• 11210

Mercruiser Stern Drive

• 43-18410A2
• 43-18411A2
• 43-59832A2
• 43-59832A4

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1142	GLM 21560 Mercruiser Stern Drive 31-32573A1	1	Upper Pinion Bearing		N/A

Additional Details:

• Drive Gear: 17 Teeth
• Driven Gear: 19 Teeth
• Ratio: 1.84:1
• For: V-6 & 470/485 (4 cyl. etc.) and Gen II (s/n 0K999999 & Below)

Interchanges/Replaces

GLM

• 11230

Mercruiser Stern Drive

• 43-75324A2
• 43-75325A3

Additional Details:

• For: MR/Alpha One/Gen II Lower Gear Housings

Interchanges/Replaces

GLM

• 11312

Mercruiser Stern Drive

• 43-17064A3
• 43-42933A2
• 43-42933A3
• 43-878087A4

Mercury Marine

• 43-828072A2

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1117	Chrysler/Force/US Marine 31-42647A1 31-F694057 GLM 21610 Johnson/Evinrude Outboard 387817 5007751 Mallory 9-75121 Mercruiser Stern Drive 31-42647 31-42647A1 Mercury Marine 31-42647A1 OMC Stern Drive 387817	1	Pinion Bearing		N/A
18-1143	GLM 21580 Mallory 9-75107 Mercruiser Stern Drive 31-36387A1 Mercury Marine 31-36387A1	1	Tapered Roller Bearing		N/A
18-1155	GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Marine 30-17927 30-35914 30-88957 30-88957A1 30-88957T Mercury Race Outboard 30-35914 30-88957 30-88957A1 30-88957T	1	Ball Bearing		N/A
18-1158	Chrysler/Force/US Marine 31-30956 31-F523058 GLM 11410 Honda Outboard 91053-ZW1-003 Johnson/Evinrude Outboard 387247 Mallory 9-75112 Mercruiser Stern Drive 31-30956 31-30956T Mercury Marine 31-30956 31-30956T OMC Stern Drive 387247	1	Carrier Bearing		N/A
18-2285	GLM 23220 Mercruiser Stern Drive 15-35931A1 15-47397A1 Mercury Marine 15-47397A1	1	Shim Set		N/A
18-2294	GLM 23210 Mercruiser Stern Drive 15-42637A1 Mercury Marine 15-42637A1 15-8M0063267	1	Shim Kit		N/A
18-2343	Chrysler/Force/US Marine 12-92721 12-F694186 GLM 32800 Mallory 9-78108 Mercruiser Stern Drive 12-92721 Mercury Marine 12-92721	1	Pinion Nut Washer		N/A
18-3719	Chrysler/Force/US Marine 11-35921 11-826375 11-F694188 GLM 11190 Johnson/Evinrude Outboard 314730 Mallory 9-78103 Mercruiser Stern Drive 11-35921 Mercury Marine 11-35921 11-47411 11-826375 OMC Stern Drive 314730	1	Pinion Nut		N/A
18-2206-1		1	Gear Set		N/A

Additional Details:

• Fits: R drive

Interchanges/Replaces

GLM

• 11100

Mercruiser Stern Drive

• 43-96084A5
• 43-96084A7

Additional Details:

• For: R Style

Interchanges/Replaces

GLM

• 17000

Mercruiser Stern Drive

• 1623-3489A1
• 1623-3646A1
• 1623-3646A4
• 1623-4110A3
• 1623-5356A4

Key Features:

• Includes tapered roller bearing for non-tractor 14/28 or 17/28 gears

Additional Details:

• Bore Size: 3.2635-3.2650
• For: MR/Alpha style

Interchanges/Replaces

GLM

• 18000

Mallory

• 9-79127

Mercruiser Stern Drive

• 1623-8951A15
• 1623-8951A27
• 1623-8951A37
• 1623-8951A5

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2244	Chrysler/Force/US Marine 10-79953 10-79953A2 10-F50109 F40109 GLM 22420 Mallory 9-72650 Mercruiser Stern Drive 10-28634 10-28634A1 10-79953 10-79953A2 10-79953Q04 10-79953Q2 816610A1 816610A2 Mercury Marine 10-20259 10-28634 10-28634A1 10-79953 10-79953A2 10-79953Q04 10-79953Q2	1	Drain Screw		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-6093	GLM 12702 Mercruiser Stern Drive 806105A1 97-806105 97-806105Q1 97-806105T1	1	Anode		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-1143	GLM 21580 Mallory 9-75107 Mercruiser Stern Drive 31-36387A1 Mercury Marine 31-36387A1	1	Tapered Roller Bearing		N/A
18-2376	Mallory 9-72602 Mercruiser Stern Drive 73020A20 818763A10 818763A4	1	Carrier Bearing		N/A
18-2285	GLM 23220 Mercruiser Stern Drive 15-35931A1 15-47397A1 Mercury Marine 15-47397A1	1	Shim Set		N/A
18-7159	GLM 83440 Mallory 9-76544 Mercruiser Stern Drive 25-31534 25-48451 Mercury Marine 25-31534	1	O-Ring		N/A
18-1117	Chrysler/Force/US Marine 31-42647A1 31-F694057 GLM 21610 Johnson/Evinrude Outboard 387817 5007751 Mallory 9-75121 Mercruiser Stern Drive 31-42647 31-42647A1 Mercury Marine 31-42647A1 OMC Stern Drive 387817	1	Pinion Bearing		N/A
18-3199	GLM 21870 Mallory 9-78115 Mercruiser Stern Drive 93423 934231 934233	1	Water Pickup		N/A
18-3198	GLM 21880 Mallory 9-78114 Mercruiser Stern Drive 93424 934241 934243	1	Water Pickup		N/A
18-3197	GLM 12822 Mallory 9-78130 Mercruiser Stern Drive 10-67373 10-76156 Mercury Marine 10-76156	1	Water Pick-Up Insert Screw		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-6011	Honda Outboard 41107-ZW1-003ZA Mercruiser Stern Drive 31640 316404 31640A1 97-31640Q4 Mercury Marine 31640 316403 316404 31640A1 31640A2 31640A4 31640B4 72436A1 97-31640Q4	1	Anode		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	1	Drain Screw Gasket		N/A
18-6245	GLM 21740 Mercruiser Stern Drive 10-32470 Mercury Marine 10-32470 10-47580 10-74728	1	Anode Mounting Bolt		N/A
NSS	Mercruiser Stern Drive 10-806290	2	Screw (#10-32 x 5/8")	No Image	N/A
NSS	Mercruiser Stern Drive 11-45812 11-859124	1	Locknut	No Image	N/A

Key Features:

• Service kit for Borg-Warner Velvet Drive 71 and 72 series transmission

Additional Details:

• Includes: Gaskets, Seals. Sealing Rings, Bronze and Steel Plates

Key Features:

• Standard rotation (RH)

Additional Details:

• Teeth: 13-21
• Fits: Alpha One Gen II (except 2.00 & 2.40 ratio) (s/n 0F680000 & Up)

Interchanges/Replaces

Mercruiser Stern Drive

• 43-828072A3
• 43-878087A2

Interchanges/Replaces

Johnson/Evinrude Outboard

• 317838
• 333077
• 340490
• 345992

OMC Stern Drive

• 317838
• 333077

Additional Details:

• Ratio: 1.87:1

Use With:

• 18-1551: Complete Gear Set V-6

Interchanges/Replaces

Mallory

• 9-73452

Mercury Marine

• 43-828175A1

Interchanges/Replaces

GLM

• 22672

Johnson/Evinrude Outboard

• 318304

Mallory

• 9-73502

Interchanges/Replaces

GLM

• 22662

Johnson/Evinrude Outboard

• 332489

Mallory

• 9-73512

Additional Details:

• For: Alpha One/Gen II lower (s/n 0D469859 & Up)

Interchanges/Replaces

GLM

• 11013

Mercruiser Stern Drive

• 43-828073A1