Additional Details:

• Size: (1) each .002, .003, .005, .010, .020

Interchanges/Replaces

GLM

• 23220

Mercruiser Stern Drive

• 15-35931A1
• 15-47397A1

Mercury Marine

• 15-47397A1

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

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

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