Mercruiser --> Gearcase Breakdown


Mercruiser
MC-1 & R

CLICK ON THE PART YOU NEED BELOW
Housing Lower Unit for Mercruiser #1 R Models with Preload Pin 1974-1982
GLM17000
(OEM: 1623-5356A4)Water Pump Housing Upper for Mercruiser Mercury Mariner 46-96148A1
GLM12410
(OEM: 46-96148T1)Water Pump Cup for Mercruiser MC-1 R MR Alpha One Mercury 65-225 HP 48752
GLM12810
(OEM: 48752)Impeller Mercruiser #1 R MR Alpha One Mercury Mariner 47-89984T4
GLM89840
(OEM: 47-89984-2)Water Pump Washer for Mercruiser Mercury Mariner Force Lower Unit 12-36001
GLM21720
(OEM: 12-36001)Bolt Water Pump Housing for Mercruiser Mercury Mariner Lower Unit 10-30720
GLM12821
(OEM: 10-30720)Nut Lock 1/4 Fine Thread for Mercruiser Mercury Mariner OMC
GLM21180
(OEM: 11-826711-9)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-38970)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-38970)Guide Tube for Mercruiser MC-1, R, MR, Alpha 1, 23-29804T
GLM12820
(OEM: 23-29804T)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 25-30613)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 25-30613)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 25-30613)Nut Lock  5/16 Fine for Mercruiser Mercury Mariner
GLM21190
(OEM: 11-45592)Water Pump Housing Washer for Mercruiser R  Mercury Mariner 12-29245
GLM21490
(OEM: 12-29245)Key Impeller for Mercruiser Mercury Mariner Lower Unit 28-56654
GLM11070
(OEM: 28-56654)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 27-858524)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 27-858524)Wear Plate, Mercruiser, Mercury, Mariner
GLM12510
(OEM: 32435)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 27-85608-1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 27-85608-1)Water Pump Base for Mercruiser 1974-1982 Units with Preload Pin 46-57234A1
GLM12310
(OEM: 46-57234A1)Oil Seal Powerhead Mercury Mariner Replaces 26-16977
GLM85040
(OEM: 26-16977)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-16977)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-16977)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-89238)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-89238)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 26-89238)O-Ring, Upper Unit, OMC, Volvo SX 3852044
GLM82260
(OEM: 25-33145)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 25-33145)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 25-33145)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 25-33145)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 27-856704)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 27-856704)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 27-856704)Bearing, Upper Drive Shaft, Mercruiser With Preload Pin
GLM21570
(OEM: 31-53079A1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 31-53079A1)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 31-53079A1)Shim Set, Mercury, Mariner, Force  V6 150-200 HP Outboard 15-57007A1
GLM23300
(OEM: 15-57007A1)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 15-57007A1)Washer, Lower Housing, Mercruiser R, MR, Alpha One
GLM21800
(OEM: 12-29395)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 12-31266)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-816464-1)Bushing Shift Shaft for Mercuriser Lower Unit 23-30617A2
GLM21010
(OEM: 23-30617A2)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 23-30617A2)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 23-30617A2)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 23-30617A2)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 25-25439)Washer, Lower Unit, Mercruiser
GLM32790
(OEM: 12-27880)Clip Shift Shaft for Mercruiser R MR Alpha One Lower Unit 18-20233
GLM21132
(OEM: 18-20233)Shaft Lower Shift for Mercruiser R MR Alpha One 77481-1
GLM21030
(OEM: 77481-1)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-45577-1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-45577-1)Drain Screw Set, Magnetic GLM21731
GLM21731
(OEM: 22-67892A1)Gasket, Drain Plug, Mercruiser, Mercury, Mariner, OMC, Volvo SX
GLM31170
(OEM: 12-19183-2)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 12-19183-2)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 12-19183-2)Insert, Starboard, Mercruiser
GLM21870
(OEM: 93423-1)Insert, Port, Mercruiser
GLM21880
(OEM: 93424-1)Screw Water Strainer Mercruiser Lower Unit  Insert 10-76156
GLM12822
(OEM: 10-76156)Nut Lock Stainless 10-32 for Mercruiser Mercury Mariner 11-859124
GLM21161
(OEM: 11-45812)Nut Lock 7/16 Fine Thread  Stainless Steel for Mercruiser 11-13439-1
GLM21170
(OEM: 11-34933)Screw, Zinc, Trim Tab, Mercury, Mariner, Mercruiser
GLM21740
(OEM: 10-32470)Screw, Lower Unit, Mercruiser R, MR, Alpha One
GLM22430
(OEM: 10-30206)Aluminum Anode, Trim Tab, Full Fin, Mercruiser, Mercury, Mariner, Yamaha
GLM12670
(OEM: 31640-4)Bearing, Lower, Driveshaft, Mercruiser with Preload Pin
GLM21600
(OEM: 31-92366A1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 31-92366A1)Gear Set Forward Pinion for Mercruiser #1 1974-1983 Preload Pin Models
GLM11100
(OEM: 43-96084A7)Gear Set Lower Unit for Mercruiser #1 R Drives 1974-1982 Preload Models
GLM11300
(OEM: 43-96084A7)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 43-96084A7)Nut Pinion for Mercruiser Johnson Evinrude Lower Unit 11-35921
GLM11190
(OEM: 11-35921)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 11-35921)Shift Spool for Mercruiser Mercury Mariner Lower Unit 818349T1
GLM11030
(OEM: 818349T1)Shift Crank Lover Unit for Mercruiser #1 Alpha and Gen 2 76865
GLM11040
(OEM: 76865)Shim, Mercruiser, Mercury, Mariner Lower Unit Drive Shaft Bearing
GLM23220
(OEM: 15-47397A1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 15-47397A1)Bearing Tapered Roller for Mercruiser Mercury Mariner Forward Gear 31-35928A1
GLM21590
(OEM: 31-35928T1)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 31-35928T1)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 31-35928T1)Bearing Roller for Mercruiser Mercury Mariner In Forward Gear 31-30895
GLM11420
(OEM: 31-30895)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 31-30895)Spring Clutch Dog Pin Retainer for Mercruiser Mercury Mariner 24-30893
GLM11050
(OEM: 24-30893)Cross Pin, Mercruiser, Mercury, Mariner Lower Unit
GLM21131
(OEM: 17-30632)Clutch Dog Lower Unit for Mercruiser Mercury Mariner 52-85394T
GLM11060
(OEM: 52-853594T)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 52-853594T)Shaft Propeller for Mercury 3 and 4 Cylinder and Gen 2 98 Up 44-850308
GLM11155
(OEM: 44-66060-3)Shim Kit Mercruiser Thrust Washer to Gear Housing 15-97166
GLM23290
(OEM: 15-97166, 15-31535A1)Shim Kit for Mercruiser #1 R Lower Unit 15-31535A1
SIE18-2284
(OEM: 15-97166, 15-31535A1)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 15-97166, 15-31535A1)Thrust Ring, Mercruiser R
GLM23141
(OEM: 35915)Bearing Ball Lower Unit Reverse Gear Mercruiser Mercury Mariner 31-88957T
GLM21620
(OEM: 30-88957T)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 30-88957T)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 25-31534)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 25-31534)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 25-31534)Bearing Roller for Bearing Carrier Johnson Evinrude Mercury 387247 31-30956
GLM11410
(OEM: 31-30956)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 31-30956)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 31-30956)Bearing Carrier Lower Unit for Mercury Mercruiser Lower Unit 818763A10
GLM11405
(OEM: 73020A14)Seal Inner Propshaft Mercruiser MC-1 R Alpha One Gen 2 Mercury Mariner V6
GLM85130
(OEM: 26-76868)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-76868)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-76868)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 26-76868)Seal Outer Propshaft Mercruiser MC-1 R Alpha One Gen 2 Mercury Mariner V6
GLM85700
(OEM: 26-12224)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-12224)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 26-12224)Key Bearing Carrier for Mercruiser Mercury Mariner Lower Unit 28-30281
GLM11080
(OEM: 28-30281)Washer Bearing Carrier for Mercury Mariner Mercruiser 14-79447
GLM11380
(OEM: 14-79447)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 14-79447)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 14-79447)Nut Cover for Mercruiser Mercury Mariner Large Gearcase 79448
GLM21120
(OEM: 79448)Nut Cover for Mercruiser Mercury Mariner Large Gearcase 79448
BPI21120
(OEM: 79448)Thrust Hub, Mercruiser, Mercury, Mariner
GLM21301
(OEM: 12-835467-1)Lock Washer, Mercruiser, Mercury, Mariner, Lower Unit
GLM21760
(OEM: 13-42351-1)Tab Washer Receiver, Mercruiser, Mercury, Mariner
GLM21360
(OEM: 12-31211A3)Tab Washer, Mercruiser, Mercury, Mariner
GLM21210
(OEM: 14-31210)Nut Propeller for Mercruiser Mercury Mariner 11-827614B
GLM21230
(OEM: 11-827614)Drive Shaft Lower Unit for Mercruiser #1 with Preload Pin 1974-1982 45-51939A1
GLM11110
(OEM: 45-41939F1)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 25-30271)Bearing Seal Kit for Mercruiser Lower Unit 1 and R Drives 1974-1982 31-803068T1
GLM25110
(OEM: 25-30271)Reverse Gear for Mercruiser MC-1 and R 43-92320T
GLM11020
(OEM: 43-92320T)Gear Set Lower Unit for Mercruiser #1 R Drives 1974-1982 Preload Models
GLM11300
(OEM: 43-92320T)Gear Seal and Bearing Kit Lower Unit Mercruiser #1 R 74-82 43-803079T1
GLM25115
(OEM: 43-92320T)Gear Set Forward Pinion for Mercruiser #1 1974-1983 Preload Pin Models
GLM11100
(OEM: 43-96084A7)Water Pump Kit for Mercruiser 1 and R Models with Preload Pin 1974-1982
BPI12110
(OEM: 46-96148A8)Water Pump Kit for Mercruiser 1974-1982 with Preload Pin Drive Shaft
GLM12110
(OEM: 46-96148A8)Water Pump Impeller Kit  for Mercruiser Mercury Mariner 47-89984T5
GLM12290
(OEM: 47-89984T5)Anode Kit Aluminum for Mercruiser MR Alpha One 1984-1990 888756Q02
GLM12754
(OEM: 888756Q02)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
BPI87510
(OEM: 26-33144A2)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
GLM87510
(OEM: 26-33144A2)Seal Kit Lower Unit for Mercruiser #1 R Alpha 1 1990 and Earlier 26-33144A2
SIE18-2652
(OEM: 26-33144A2)

More Kits Available

Complete Gearcase Assembly
OEM: 1623-851A43
Water Pump Housing Kit
Complete Gearcase Assembly Kit
Lower Gear Housing Seal kit for a Mercruiser Sterndrive. It will fit Models R, MR & Alpha One 1991 & Down. This item replaces Merc. # 26-33144A2
A complete Outdrive Seal Kit for a Mercruiser Sterndrive. This kit contains the complete Water Pump kit, Upper Housing Seal kit, and the Lower Housing Seal kit. It will fit the following application: MC-1/R 1970-1983, S/N # 2663442 - 6225576.
Impeller Kit, Water Pump, Mercury, Mariner, Mercruiser

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