Skip to content
Celebrating 50 years of Trusted Marine Service
50 years of Trusted Marine Service

Mercury MerCruiser Drive Components

Mercury MerCruiser Drive Components

Mercury MerCruiser Sterndrive, Gearcase & Drivetrain Components

Maintain smooth power transfer, reliable gear engagement, and dependable propulsion with Mercury MerCruiser drive components built for sterndrive service, repair, and rebuild work. Shop carrier assemblies, shift cables, gears, seals, bearings, housings, bellows, gimbal bearings, water pump service parts, and internal drive hardware for MerCruiser Alpha, Bravo, and related sterndrive systems.

MerCruiser drive parts can vary by drive type, serial number, gear ratio, transom assembly, cooling setup, and service history. Always confirm fitment using your engine serial number, drive serial number, existing part number, and drive model before ordering.

Shop Drive Components Alpha One Parts Bravo Parts Ask Parts Desk

Collection Overview

Drive Components for MerCruiser Sterndrive Service

MerCruiser sterndrives depend on correctly matched components to transfer engine power through the drive, protect against water intrusion, and maintain smooth shifting and gear engagement. This collection supports common sterndrive service needs including gearcase repairs, seal replacement, bearing replacement, shift system service, water pump work, and transom assembly maintenance.

All Drive Components Propulsion & Powertrain Couplings & Drive Components Bearings & Bushings OEM Service Kits

Shop By Drive Part Type

MerCruiser Drive Parts & Service Categories

Use these quick links to search common drive, gearcase, transom, and sterndrive service parts.

Carrier Assemblies Search carrier assemblies, bearing carriers, retainer parts, and related gearcase support components. Shift Cables Find lower shift cables, shift cable kits, shift linkage parts, and sterndrive shift system service components. Gears & Internal Drive Parts Search gears, gear sets, shafts, pinions, internal drive hardware, and gearcase repair components. Seals & O-Rings Search drive seals, O-rings, prop shaft seals, input shaft seals, and sealing parts to help prevent water intrusion. Bearings Search gimbal bearings, gearcase bearings, carrier bearings, roller bearings, and drive bearing service parts. Housings & Gearcase Parts Search upper housings, lower housings, gearcase parts, covers, retainers, and housing service components. Bellows Search U-joint bellows, exhaust bellows, shift cable bellows, bellows kits, and transom service parts. Gimbal Bearings Find gimbal bearings, bearing kits, alignment tools, and related transom assembly service items. Drive Water Pump Kits Search water pump kits, impellers, plates, housings, gaskets, and cooling service parts for sterndrive units.

Fitment Support

Need Help Identifying the Right Drive Component?

Sterndrive parts should be matched by Alpha or Bravo drive type, drive serial number, engine serial number, gear ratio, and existing part number. Send us a photo of the drive tag, engine tag, old part, or any part number you have and our Parts Desk can help narrow down the correct replacement.

Contact Parts Desk

Alpha & Bravo Service

Alpha One, Bravo and MerCruiser Sterndrive Support

MerCruiser sterndrive service depends on the exact drive family and serial range. Use these search links for Alpha, Bravo, transom, trim, and common service components.

Alpha One Parts Search Alpha One drive service parts, gearcase components, water pump kits, seals, bellows, and bearings. Bravo One Parts Search Bravo One sterndrive service parts, gearcase components, seals, anodes, and drivetrain hardware. Bravo Two Parts Search Bravo Two drive parts, gearcase service items, prop shaft components, and maintenance hardware. Bravo Three Parts Search Bravo Three dual-prop drive components, seals, bearings, anodes, hardware, and service parts. Transom Assembly Parts Search transom plates, gimbal housing parts, bell housing parts, shift components, and related hardware. Trim Cylinders & Hardware Search trim cylinders, trim hoses, pins, bushings, hardware, and hydraulic drive trim components. Drive Anodes Search MerCruiser drive anodes, zinc kits, trim tab anodes, block anodes, and corrosion protection hardware. Gear Lube & Fluids Search gear lube, drive oil, lubricants, pump kits, and service fluids for MerCruiser drive maintenance.

Related OEM Categories

Shop Related Mercury MerCruiser Categories

Drive service often connects with cooling system, maintenance, electrical, and fuel system work. These related collections are available on Marisol Marine.

Engine Maintenance Parts Shop filters, fluids, belts, lubricants, tune-up parts, and regular MerCruiser service components. Cooling System Parts Find water pumps, impellers, thermostats, hoses, plates, gaskets, and cooling service parts. Fuel System Parts Browse fuel filters, fuel pumps, lines, fittings, carburetor parts, and fuel system service items. Electrical Components Shop ignition parts, sensors, switches, relays, senders, charging parts, and engine electrical components. OEM Service Kits Find OEM-style maintenance kits and service packages for marine engine and drive service. Propulsion & Powertrain Browse propellers, shafting, bearings, couplings, drive components, transmissions, and steering systems.

Use Search for Exact Parts

Enter any Mercury, MerCruiser, Quicksilver, Alpha, Bravo, or OEM part number in the live site search to find matching products and related service items.

Search Drive Components

Parts Desk Insight

Drive parts that look similar may not interchange. Always check whether the part is for Alpha, Bravo, upper gearcase, lower gearcase, transom assembly, shift system, water pump service, or prop shaft service before ordering.

Shipping

OEM in-stock parts are a top priority and ship same or next day for fast Canada-wide shipping. Availability for special-order parts is confirmed after order placement.

Before Ordering

How to Confirm MerCruiser Drive Fitment

Confirming drive fitment before ordering helps prevent installation delays, wrong parts, and unnecessary returns.

Confirm Drive Type

Identify whether the drive is Alpha, Bravo One, Bravo Two, Bravo Three, or another MerCruiser drive family.

Use Drive Serial Number

The drive serial number is one of the best ways to confirm gearcase, seal, bearing, and internal component fitment.

Check Engine Serial Number

Some drive-related service parts depend on engine package, transom assembly, cooling setup, and model range.

Compare Existing Parts

Use the existing part number, part photo, old package, invoice, or service manual reference whenever available.

Important Installation & Safety Notice

Installation and service must be performed by qualified, authorized personnel only and in accordance with OEM procedures. Improper installation, misuse, incorrect application, or unauthorized repair may result in equipment failure, water intrusion, drive damage, property damage, serious injury, or death. Marisol Marine assumes no liability for damage, loss, or injury arising from improper installation, incorrect application, or unauthorized service.

Filters

$
$

Mercury Cap-Oil Reservoir 865448A01

$0.00 - $0.00
$0.00
$12.88
$12.88 - $12.88
$12.88
Only 1 left!

Mercury MerCruiser 865448A01 is a genuine OEM oil reservoir cap used on Mercury / MerCruiser trim pump reservoir assemblies. Current Mercury dealer...

View full details
$0.00 - $0.00
$0.00
$12.88
$12.88 - $12.88
$12.88

Mercury MerCruiser Trim Switch 8M0037225

$72.12 - $72.12
$72.12
$72.12
$72.12 - $72.12
$72.12
Only 3 left!

Control the trim and tilt operation of your outboard with the Mercury MerCruiser Trim Switch 8M0037225. This genuine Mercury Marine OEM trim switch...

View full details
$72.12 - $72.12
$72.12
$72.12
$72.12 - $72.12
$72.12

Bravo III DRV 2.20:1 - 5441500TP

$0.00 - $0.00
$0.00
$16,302.12
$16,302.12 - $16,302.12
$16,302.12

The Mercury MerCruiser Bravo III Sterndrive Outdrive 5441500TP is a genuine OEM complete replacement drive with a 2.20:1 gear ratio. Built with dua...

View full details
$0.00 - $0.00
$0.00
$16,302.12
$16,302.12 - $16,302.12
$16,302.12

Mercury MerCruiser - Propeller Tab Washer - 14-34817

$0.00 - $0.00
$0.00
$20.30
$20.30 - $20.30
$20.30
Only 4 left!

The Mercury MerCruiser Quicksilver Propeller Tab Washer 14-34817 is an OEM locking washer used to secure the propeller nut on compatible MerCruiser...

View full details
$0.00 - $0.00
$0.00
$20.30
$20.30 - $20.30
$20.30

Mercury - Cotter Pin - 18-54929

$0.00 - $0.00
$0.00
$8.94
$8.94 - $8.94
$8.94
Only 1 left!

The Mercury Quicksilver Cotter Pin 18-54929 is an OEM mechanical locking fastener used in select MerCruiser sterndrive transom and swivel assemblie...

View full details
$0.00 - $0.00
$0.00
$8.94
$8.94 - $8.94
$8.94

Mercury - Gimbal Housing Lock Nut - 11-34087

$0.00 - $0.00
$0.00
$12.44
$12.44 - $12.44
$12.44
Only 4 left!

The Mercury Quicksilver Gimbal Housing Lock Nut 11-34087 is an OEM-style red Nyloc hex locking nut used in select MerCruiser transom and gimbal hou...

View full details
$0.00 - $0.00
$0.00
$12.44
$12.44 - $12.44
$12.44

Mercury - Lower Unit Seal Kit - 26-33144A2

$0.00 - $0.00
$0.00
$149.99
$149.99 - $149.99
$149.99
Only 2 left!

The Mercury Quicksilver Gear Housing Lower Unit Seal Kit 26-33144A2 is an OEM-style resealing kit for select legacy MerCruiser lower gearcase assem...

View full details
$0.00 - $0.00
$0.00
$149.99
$149.99 - $149.99
$149.99

Mercury - Gearcase Shim Set - 15-32563A1

$0.00 - $0.00
$0.00
$20.01
$20.01 - $20.01
$20.01
Only 2 left!

The Mercury Quicksilver Gearcase Shim Set 15-32563A1 is an OEM shim kit used to set correct drive shaft bearing position and gearcase preload in co...

View full details
$0.00 - $0.00
$0.00
$20.01
$20.01 - $20.01
$20.01

Mercury - Upper Gearcase Seal Kit - 26-32511A1

$0.00 - $0.00
$0.00
$116.24
$116.24 - $116.24
$116.24
Only 2 left!

The Mercury Quicksilver Upper Gearcase Seal Kit 26-32511A1 is an OEM-style reseal kit for select legacy MerCruiser upper outdrive assemblies. This ...

View full details
$0.00 - $0.00
$0.00
$116.24
$116.24 - $116.24
$116.24

Mercury - Drive Shaft Housing Oil Seal - 26-32511

$0.00 - $0.00
$0.00
$36.14
$36.14 - $36.14
$36.14
Only 2 left!

The Mercury Quicksilver Drive Shaft Housing Oil Seal 26-32511 is an OEM upper gearcase oil seal for select MerCruiser sterndrive applications. It i...

View full details
$0.00 - $0.00
$0.00
$36.14
$36.14 - $36.14
$36.14

Mercury - Needle Roller Bearing - 30956T

$0.00 - $0.00
$0.00
$28.67
$28.67 - $28.67
$28.67

The Mercury Quicksilver Needle Roller Bearing 31-30956T is an OEM-style precision bearing used in compatible Mercury, Mariner, and MerCruiser lower...

View full details
$0.00 - $0.00
$0.00
$28.67
$28.67 - $28.67
$28.67

Mercury - Cross Pin - 8M0020941

$0.00 - $0.00
$0.00
$2.25
$2.25 - $2.25
$2.25
Only 1 left!

The Mercury Quicksilver Cross Pin 17-8M0020941 is an OEM internal lower-unit gearcase component used in compatible Mercury outboard and MerCruiser ...

View full details
$0.00 - $0.00
$0.00
$2.25
$2.25 - $2.25
$2.25

Mercury - Power Steering Pump without Pulley - 16792A39

$0.00 - $0.00
$0.00
$1,408.88
$1,408.88 - $1,408.88
$1,408.88

The Mercury MerCruiser Quicksilver 16792A39 is a power steering pump supplied without the pulley for compatible MerCruiser power steering systems. ...

View full details
$0.00 - $0.00
$0.00
$1,408.88
$1,408.88 - $1,408.88
$1,408.88

Mercury MerCruiser Sleeve 23-39273

$0.00 - $0.00
$0.00
$28.49
$28.49 - $28.49
$28.49
Only 1 left!

The Mercury MerCruiser Quicksilver 23-39273 Sleeve is an OEM spacer sleeve used in vintage MerCruiser transom plate, gimbal housing, and steering/l...

View full details
$0.00 - $0.00
$0.00
$28.49
$28.49 - $28.49
$28.49

MerCruiser Bravo Upper Driveshaft Housing Seal 12708

$23.99 - $23.99
$23.99
$23.99
$23.99 - $23.99
$23.99
Only 2 left!

The Mercury MerCruiser Quicksilver Seal 12708 is a genuine Mercury upper driveshaft housing seal for MerCruiser Bravo sterndrives. It is a durable ...

View full details
$23.99 - $23.99
$23.99
$23.99
$23.99 - $23.99
$23.99

MerCruiser Zinc Anode Kit Bravo 3 2004+ CMT-BRAVO3KITZ

$99.55 - $99.55
$99.55
$99.55
$99.55 - $99.55
$99.55
Only 5 left!

The MerCruiser Bravo 3 Zinc Anode Kit CMT-BRAVO3KITZ is a complete sacrificial anode kit for Bravo 3 sterndrives from 2004 and newer. This kit is d...

View full details
$99.55 - $99.55
$99.55
$99.55
$99.55 - $99.55
$99.55

Mercury MerCruiser Trim Cylinder O-Ring Kit 87400A2

$59.99 - $59.99
$59.99
$59.99
$59.99 - $59.99
$59.99
Only 1 left!

The Mercury MerCruiser Quicksilver 87400A2 Trim Cylinder O-Ring Kit is an 11-piece seal kit used to service select MerCruiser sterndrive trim cylin...

View full details
$59.99 - $59.99
$59.99
$59.99
$59.99 - $59.99
$59.99

Mercury Water Pump Screw 74191

$0.00 - $0.00
$0.00
$6.36
$6.36 - $6.36
$6.36
Only 3 left!

Mercury MerCruiser 74191 is a genuine OEM screw sized .312-18 x 3.250. Current Mercury dealer references list it as 10-74191 Screw (.312-18 x 3.250...

View full details
$0.00 - $0.00
$0.00
$6.36
$6.36 - $6.36
$6.36

Mercury Manifold Stud 49545

$0.00 - $0.00
$0.00
$3.98
$3.98 - $3.98
$3.98
Only 1 left!

Mercury MerCruiser 49545 is a genuine OEM manifold stud used on a wide range of older MerCruiser engine manifold and exhaust-related assemblies. Cu...

View full details
$0.00 - $0.00
$0.00
$3.98
$3.98 - $3.98
$3.98

Mercury Guide 43433

$0.00 - $0.00
$0.00
$32.18
$32.18 - $32.18
$32.18
Only 5 left!

Mercury 43433 is a genuine OEM throttle cable guide used in Mercury and MerCruiser control, steering-handle, and related cable-routing assemblies. ...

View full details
$0.00 - $0.00
$0.00
$32.18
$32.18 - $32.18
$32.18

Mercury MerCruiser Bravo Lower Shift Cable Assembly 865437A02

$0.00 - $0.00
$0.00
$204.15
$204.15 - $204.15
$204.15
Only 1 left!

Mercury MerCruiser 865437A02 is a genuine OEM lower shift cable assembly for MerCruiser Bravo sterndrives. Current Mercury and dealer references sh...

View full details
$0.00 - $0.00
$0.00
$204.15
$204.15 - $204.15
$204.15

Mercury MerCruiser Alpha One Gen II Driveshaft Housing Water Tube 860220

$0.00 - $0.00
$0.00
$22.13
$22.13 - $22.13
$22.13
Only 1 left!

Mercury MerCruiser 860220 is a genuine OEM water tube used in the driveshaft housing water-delivery system on MerCruiser stern drives. Current Merc...

View full details
$0.00 - $0.00
$0.00
$22.13
$22.13 - $22.13
$22.13

Mercury MerCruiser Bravo III Front Propeller Nut 859131

$0.00 - $0.00
$0.00
$59.50
$59.50 - $59.50
$59.50
Only 1 left!

Mercury 859131 is a genuine OEM front propeller nut for Bravo III stern drives. Current Mercury dealer references show 859131 superseded to 8M01052...

View full details
$0.00 - $0.00
$0.00
$59.50
$59.50 - $59.50
$59.50

Mercury MerCruiser Trim Pump Reservoir Screw O-Ring Spacer 18527

$11.09 - $11.09
$11.09
$11.09
$11.09 - $11.09
$11.09
Only 3 left!

Mercury MerCruiser Quicksilver 18527 is a genuine OEM screw with O-ring and spacer used in the power trim / tilt pump-motor assembly with the botto...

View full details
$11.09 - $11.09
$11.09
$11.09
$11.09 - $11.09
$11.09