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Couplings & Drive Components

Couplings & Drive Components

Drive Couplings, Shaft Couplings, Flexible Couplers & Drivetrain Components

Shop couplings and drive components for inboard, sterndrive, transmission, shaft, and propulsion service. Find flexible couplings, shaft couplings, rubber couplings, coupling kits, coupling assemblies, DriveSaver-style parts, coupling elements, dampers, guards, yokes, and related driveline hardware.

Shop Couplings & Drive Components Browse Couplings Ask Parts Desk
Fitment First

Couplings are fitment-specific. Confirm engine brand, transmission model, shaft size, bolt circle, spline count, pilot diameter, flange details, part number, and installation measurements before ordering.

Search Drive Couplings

Find the Correct Coupling

Search by Part Number, Coupling Style, Shaft Size, Transmission, or Drive Model

The safest match usually comes from the old part number, transmission plate, drive model, shaft details, or installation measurements. If the part number is missing, search by brand and coupling style.

Shop Couplings & Drive Components by Type

Flexible Couplings, Shaft Couplings, Kits, Guards & Dampers

Use these paths when the customer knows the coupling style or the drive problem being solved. Always confirm measurements and compatibility before installing driveline parts.

Flexible CouplingsFlexible couplers for vibration isolation, alignment tolerance, and gearbox-to-shaft connection support. Shaft CouplingsSplit shaft couplings, clamp couplings, flange couplings, and shaft interface parts. Drive CouplingsDrive couplings, output couplings, drive interface parts, and transmission connection support. Rubber CouplingsRubber dampening couplings and flexible connection parts for compatible driveline setups. Coupling AssembliesComplete coupling assemblies for sterndrive, outboard, and inboard applications. Coupling KitsKits and grouped components used for compatible coupling installation and service. Coupling ElementsReplacement coupling elements, flexible inserts, discs, and elastomer service parts. Coupling GuardsProtective guards and gear-guard style parts around compatible coupling installations. Roller DampersHigh-resilience damper components for compatible flexible coupling systems. Yokes & Drive LinksDouble yokes, drive links, splined couplings, and drive connection parts. Fiberglass CouplingsFiberglass reducer couplings, exhaust couplings, and lightweight connection parts. Brass CouplingsBrass pipe and flare union couplings for compatible plumbing and equipment connections.

Fitment

Measure the Interface, Not Just the Outside Diameter

Coupling fit can depend on shaft diameter, pilot diameter, bolt circle, bolt count, spline count, flange thickness, transmission output, engine flywheel setup, and available space. Photos and measurements are helpful when the part number is missing.

Shaft SizeBolt CircleSpline Couplings

Symptoms

Vibration, Noise, Alignment, and Wear Need Careful Diagnosis

A coupling may be part of a larger driveline issue. Check engine mounts, shaft alignment, propeller condition, cutless bearing wear, transmission output, strut alignment, and coupling condition before replacing parts blindly.

Engine MountsProp ShaftsTransmission Mounts
ALIGN

Alignment Matters

Flexible couplings can help absorb vibration, but they do not replace proper shaft alignment, mount condition, and drivetrain inspection.

SIZE

Confirm Measurements

Measure shaft diameter, flange pilot, bolt circle, bolt count, spline details, and available space before choosing a coupling.

LOAD

Match the Application

Horsepower, torque, gear ratio, shaft setup, transmission model, and service environment all affect the right coupling choice.

FAQ

Choosing Couplings & Drive Components

How do I identify the correct drive coupling?

Use the existing part number first. If it is not available, collect the engine brand, transmission model, shaft size, bolt circle, bolt count, spline count, pilot diameter, and clear photos of both sides of the coupling.

Are flexible couplings a fix for poor shaft alignment?

No. Flexible couplings can reduce vibration and absorb some movement, but the shaft, engine mounts, transmission, strut, and propeller still need to be aligned and inspected correctly.

When should a coupling element or damper be replaced?

Replace worn, cracked, swollen, oil-damaged, distorted, noisy, or loose elements. Also inspect related hardware when there is unusual vibration, impact history, or coupling wear.

Can the Parts Desk help match a coupling?

Yes. Send photos, the old part number, shaft and flange measurements, engine and transmission details, and a description of the driveline issue.

Ready to Match the Coupling or Drive Component?

Start with the old part number whenever possible. If not, measure the drivetrain interface carefully and search by brand, coupling type, transmission model, or shaft details.

Shop Couplings & Drive ComponentsAsk Parts Desk

Filters

Mercury MerCruiser Bushing Assembly 8M0112749

$43.25 - $43.25
$43.25
$43.25 - $43.25
$43.25
Only 1 left!

Mercury / MerCruiser Quicksilver Bushing Assembly — 8M0112749 The Mercury Quicksilver 8M0112749 Bushing Assembly is a genuine OEM shift shaft ...

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$43.25 - $43.25
$43.25
$43.25 - $43.25
$43.25

Mercury MerCruiser Flo-Torq SSR Hub 8M0101602

$223.86 - $223.86
$223.86
$223.86 - $223.86
$223.86
Only 1 left!

Mercury MerCruiser Flo-Torq SSR Hub Kit – 8M0101602 Upgrade your propeller system with the Mercury Flo-Torq SSR Hub Kit (8M0101602). This genuine M...

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$223.86 - $223.86
$223.86
$223.86 - $223.86
$223.86

Mercury MerCruiser Flo-Torq SSR HD Hub 8M0101601

$353.41 - $353.41
$353.41
$353.41 - $353.41
$353.41
Only 2 left!

Mercury MerCruiser Flo-Torq SSR HD Hub Kit – 8M0101601 Upgrade your propeller system with the Mercury Flo-Torq SSR HD Hub Kit (8M0101601). This gen...

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$353.41 - $353.41
$353.41
$353.41 - $353.41
$353.41

Mercury MerCruiser Power Steering Hose 8M0063020

$337.49 - $337.49
$337.49
$337.49 - $337.49
$337.49
Only 1 left!

Mercury MerCruiser Power Steering Hose – 8M0063020 Maintain smooth and responsive steering with the Mercury MerCruiser Power Steering Hose 8M006302...

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$337.49 - $337.49
$337.49
$337.49 - $337.49
$337.49

Mercury MerCruiser Bellows Assembly 8M0062406

$192.34 - $192.34
$192.34
$192.34 - $192.34
$192.34
Only 5 left!

Mercury MerCruiser Bellows Assembly – 8M0062406 Protect your sterndrive drivetrain components with the Mercury MerCruiser Bellows Assembly 8M006240...

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$192.34 - $192.34
$192.34
$192.34 - $192.34
$192.34

Mercury MerCruiser Gear Set 8M0060005

$2,654.24 - $2,654.24
$2,654.24
$2,654.24 - $2,654.24
$2,654.24
Only 1 left!

Restore proper gear operation in your sterndrive with the Mercury MerCruiser Gear Set 8M0060005. This genuine Mercury Marine OEM gear kit is design...

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$2,654.24 - $2,654.24
$2,654.24
$2,654.24 - $2,654.24
$2,654.24

Mercury Black Max Propeller 9.3x10 897752A11

$278.61 - $278.61
$278.61
$278.61 - $278.61
$278.61
Only 1 left!

OEM Black Max Propeller for Mercury Marine Engines Genuine Mercury Black Max propeller provides reliable performance and efficiency for marine engi...

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$278.61 - $278.61
$278.61
$278.61 - $278.61
$278.61

Mercury MerCruiser Bushing 89574

$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Only 5 left!

OEM Bushing for Mercury MerCruiser Marine Engines Genuine Mercury MerCruiser bushing provides reliable support and alignment for engine or drive co...

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$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99

Mercury Clevis Pin 89229

$11.09 - $11.09
$11.09
$11.09 - $11.09
$11.09
Only 2 left!

Mercury 89229 is a genuine OEM clevis pin used in select Mercury MerCruiser applications. Mercury parts sources identify it as PIN-CLEVIS, and curr...

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$11.09 - $11.09
$11.09
$11.09 - $11.09
$11.09

Mercury PVS Vent Plug 889725T35 (Pack of 5)

$4.70 - $4.70
$4.70
$4.70 - $4.70
$4.70
Only 2 left!

Mercury 889725T35 is a genuine OEM PVS vent plug used in Mercury and Quicksilver propellers equipped with Performance Vent System (PVS) vent holes....

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$4.70 - $4.70
$4.70
$4.70 - $4.70
$4.70

Mercury Nut 889664

$9.85 - $9.85
$9.85
$9.85 - $9.85
$9.85
Only 2 left!

Mercury 889664 is a genuine OEM black nylon nut used in select Mercury and MerCruiser applications. The clearest matching parts references identify...

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$9.85 - $9.85
$9.85
$9.85 - $9.85
$9.85

Mercury Shim 888927036

$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24
Only 3 left!

Mercury 888927036 is a genuine OEM shim identified as Shim (.036) for selected Mercury MerCruiser Bravo sterndrive applications. It is used in driv...

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$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24

Mercury Shim 888927029

$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99
Only 5 left!

Mercury 888927029 is a genuine OEM shim identified as Shim (.029) for selected Mercury MerCruiser Bravo sterndrive applications. It is comm...

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$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99

Mercury Access Hole Plug Kit 88847A1

$54.74 - $54.74
$54.74
$54.74 - $54.74
$54.74
Only 2 left!

Mercury 88847A1 is a genuine Quicksilver Access Hole Plug Kit used in selected Mercury MerCruiser sterndrive applications. Mercury’s current produc...

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$54.74 - $54.74
$54.74
$54.74 - $54.74
$54.74

Mercury MerCruiser Bravo Lower Shift Cable Assembly 865437A02

$204.15 - $204.15
$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...

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$204.15 - $204.15
$204.15
$204.15 - $204.15
$204.15

Mercury MerCruiser Drive Plate 862975A1

$989.99 - $989.99
$989.99
$989.99 - $989.99
$989.99
Only 1 left!

Mercury / MerCruiser Quicksilver Drive Plate — 862975A1 The Mercury Quicksilver 862975A1 Drive Plate Assembly is a genuine OEM flex drive plate us...

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$989.99 - $989.99
$989.99
$989.99 - $989.99
$989.99

Mercury MerCruiser Quicksilver Bravo Engine Coupler Assembly 861523A11

$1,454.50 - $1,454.50
$1,454.50
$1,454.50 - $1,454.50
$1,454.50
Only 1 left!

Mercury MerCruiser Quicksilver 861523A11 is a genuine OEM engine coupler assembly used to transfer engine power from the flywheel/crankshaft side o...

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$1,454.50 - $1,454.50
$1,454.50
$1,454.50 - $1,454.50
$1,454.50

Mercury MerCruiser Alpha One Gen II Driveshaft Housing Water Tube 860220

$22.13 - $22.13
$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...

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$22.13 - $22.13
$22.13
$22.13 - $22.13
$22.13

Mercury MerCruiser Drive Sleeve 835290Q1

$46.29 - $46.29
$46.29
$46.29 - $46.29
$46.29
Only 2 left!

Mercury / MerCruiser Quicksilver Drive Sleeve — 835290Q1 The Mercury Quicksilver 835290Q1 Drive Sleeve is a genuine OEM propeller hub drive sleeve...

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$46.29 - $46.29
$46.29
$46.29 - $46.29
$46.29

Mercury MerCruiser Trim Tab Anode Aluminum 822777Q1

$48.39 - $48.39
$48.39
$48.39 - $48.39
$48.39
Only 2 left!

Mercury MerCruiser Quicksilver 822777Q1 is a genuine OEM aluminum trim tab anode kit designed for corrosion protection and steering trim function o...

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$48.39 - $48.39
$48.39
$48.39 - $48.39
$48.39

Mercury MerCruiser Quicksilver Shifter Yoke 806552

$248.24 - $248.24
$248.24
$248.24 - $248.24
$248.24
Only 1 left!

Mercury MerCruiser / Quicksilver Shifter Yoke – 806552 Restore proper shifting performance in your sterndrive with the genuine Mercury Marine / Qui...

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$248.24 - $248.24
$248.24
$248.24 - $248.24
$248.24

Mercury MerCruiser Sender Kit Alpha/Bravo 805320A03

$252.85 - $252.85
$252.85
$252.85 - $252.85
$252.85
Only 1 left!

Mercury / MerCruiser Quicksilver Sender Kit Alpha / Bravo — 805320A03 The Mercury Quicksilver 805320A03 Sender Kit is a genuine OEM power trim sen...

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$252.85 - $252.85
$252.85
$252.85 - $252.85
$252.85

Mercury MerCruiser Quicksilver Carrier Assembly 66081A2

$87.62 - $87.62
$87.62
$87.62 - $87.62
$87.62
Only 5 left!

Mercury MerCruiser / Quicksilver Carrier Assembly – 66081A2 Restore proper drivetrain sealing and alignment with the genuine Mercury Marine / Q...

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$87.62 - $87.62
$87.62
$87.62 - $87.62
$87.62

Mercury Guide 43433

$32.18 - $32.18
$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. ...

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$32.18 - $32.18
$32.18
$32.18 - $32.18
$32.18

Mercury Marine Shim Set 39899A1

$21.19 - $21.19
$21.19
$21.19 - $21.19
$21.19
Only 1 left!

The Mercury Marine 39899A1 Shim Set is a genuine OEM Quicksilver service part identified as a shim set. Current part references also describe it as...

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$21.19 - $21.19
$21.19
$21.19 - $21.19
$21.19

Mercury MerCruiser Double Yoke U-Joint 393831

$229.53 - $229.53
$229.53
$229.53 - $229.53
$229.53
Only 1 left!

Mercury MerCruiser 393831 is a genuine OEM double yoke driveline component used in MerCruiser sterndrive applications. It is commonly identified in...

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$229.53 - $229.53
$229.53
$229.53 - $229.53
$229.53

Mercury MerCruiser Bushing 37593

$8.66 - $8.66
$8.66
$8.66 - $8.66
$8.66
Only 1 left!

OEM Bushing for Mercury MerCruiser Marine Engines Genuine Mercury MerCruiser bushing provides reliable support and alignment for engine or drive co...

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$8.66 - $8.66
$8.66
$8.66 - $8.66
$8.66

Mercury MerCruiser Bellows Assembly 36222A2 (NLA)

$52.56 - $52.56
$52.56
$52.56 - $52.56
$52.56
Only 1 left!

Maintain proper sealing and protection of the sterndrive transom assembly with the Mercury MerCruiser Bellows Assembly 36222A2. This genuine Mercur...

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$52.56 - $52.56
$52.56
$52.56 - $52.56
$52.56
Two bearings and two washers on a white background

Mercury MerCruiser Bearing Assembly 35988A3

$440.69 - $440.69
$440.69
$440.69 - $440.69
$440.69
Only 1 left!

The Mercury MerCruiser Quicksilver 35988A3 Bearing Assembly is a tapered roller bearing set used in select MerCruiser sterndrive gear housing appli...

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$440.69 - $440.69
$440.69
$440.69 - $440.69
$440.69

Mercury MerCruiser Bearing Carrier Retaining Ring 35128 | Alpha One SS / SSM / Early Drives

$31.04 - $31.04
$31.04
$31.04 - $31.04
$31.04
Only 1 left!

Mercury MerCruiser Bearing Carrier Retaining Ring — Part No. 35128 This is the genuine Mercury Marine OEM bearing carrier retaining ring listed und...

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$31.04 - $31.04
$31.04
$31.04 - $31.04
$31.04

Mercury MerCruiser Bushing Assembly 8M0112749

$38.30 - $38.30
$38.30
$38.30 - $38.30
$38.30
Only 1 left!

Mercury MerCruiser Quicksilver 8M0112749 is a genuine OEM bushing assembly. Current Mercury dealer references identify it simply as Bushing Assembl...

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$38.30 - $38.30
$38.30
$38.30 - $38.30
$38.30

Mercury MerCruiser Quicksilver 18643A5 Engine Coupler Assembly — 3.0L / V6 / V8 Alpha Sterndrive

$589.29 - $589.29
$589.29
$589.29 - $589.29
$589.29
Only 1 left!

Mercury MerCruiser Quicksilver 18643A5 — Engine Coupler Assembly, Alpha Sterndrive Part Number 18643A5 SKU 18643A5 Brand Me...

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$589.29 - $589.29
$589.29
$589.29 - $589.29
$589.29

Mercury Quicksilver 16755T1 Bell Housing Gasket Kit — MerCruiser Bravo Sterndrive

$21.52 - $21.52
$21.52
$21.52 - $21.52
$21.52
Only 2 left!

Mercury Quicksilver 16755T1 — Bell Housing Installation Gasket Kit, MerCruiser Bravo Sterndrive Part Number 16755T1 Mercury Refer...

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$21.52 - $21.52
$21.52
$21.52 - $21.52
$21.52

Mercury MerCruiser Alpha One Gen II Bearing Carrier Assembly 14587A7

$310.23 - $310.23
$310.23
$310.23 - $310.23
$310.23
Only 1 left!

Mercury / MerCruiser Quicksilver Carrier Assembly — 14587A7 The Mercury Quicksilver 14587A7 Carrier Assembly is a genuine OEM bearing carrier asse...

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$310.23 - $310.23
$310.23
$310.23 - $310.23
$310.23

Mercury MerCruiser TFXtreme Control Cable 16ft 1-CCX17916

$118.49 - $118.49
$118.49
$118.49 - $118.49
$118.49
Only 1 left!

Mercury / MerCruiser TFXtreme Control Cable — 16 ft (1-CCX17916) The Mercury / MerCruiser TFXtreme Control Cable 1-CCX17916 is a 16-foot mechanica...

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$118.49 - $118.49
$118.49
$118.49 - $118.49
$118.49
Sold out

3/4" T-Bushing – IsoFlex IFC-1619

$112.89 - $112.89
$112.89
$112.89 - $112.89
$112.89
Out of stock

The IsoFlex IFC-1619 3/4" T-Bushing is a precision-machined mounting insert designed for IsoFlex flexible shaft coupling systems. This bushing ensu...

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$112.89 - $112.89
$112.89
$112.89 - $112.89
$112.89
Sold out

IsoFlex 3/4" T-Bushing Kit – TBUSHKIT3/4

$28.85 - $28.85
$28.85
$28.85 - $28.85
$28.85
Only 3 left!

The IsoFlex 3/4" T-Bushing Kit TBUSHKIT3/4 is a complete mounting hardware kit designed for IsoFlex flexible coupling systems. This kit includes mu...

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$28.85 - $28.85
$28.85
$28.85 - $28.85
$28.85

Gates Automotive XL High Capacity V-Belt - 7440

$32.35 - $32.35
$32.35
$32.35 - $32.35
$32.35
Only 2 left!

The Gates 7440 Automotive XL High Capacity V-Belt is a heavy-duty accessory drive belt designed for compatible V-belt pulley systems. Its notched/c...

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$32.35 - $32.35
$32.35
$32.35 - $32.35
$32.35
Cobra Outdrive Mounting Gasket Set

Sierra Cobra Outdrive Mounting Gasket Set (47-2613)

$20.99 - $20.99
$20.99
$20.99 - $20.99
$20.99
Item locally warehoused

The Sierra 47-2613 Cobra Outdrive Mounting Gasket Set is a complete sealing kit for the outdrive mounting interface on OMC Cobra sterndrive systems...

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$20.99 - $20.99
$20.99
$20.99 - $20.99
$20.99
Trident 1014-1415-20 High Pressure 20" LPG Pigtail Hose & Quick Closing Coupling

Trident 1014-1415-20 LPG Pigtail Hose with Quick-Closing Coupling

$138.73 - $138.73
$138.73
$138.73 - $138.73
$138.73
Item locally warehoused

Trident 1014-1415-20 LPG Pigtail Hose with Quick-Closing CouplingKeep your onboard propane system running safely and reliably. This 20" high-pressu...

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$138.73 - $138.73
$138.73
$138.73 - $138.73
$138.73
Sold out

IsoFlex IFC-6300-HT Flexible Coupling Disc – Globe DriveSaver 7256PR Replacement

$814.82 - $814.82
$814.82
$814.82 - $814.82
$814.82
Out of stock

The IsoFlex IFC-6300-HT Gear Guard is a high-performance flexible gearbox coupling designed to protect marine driveline systems by absorbing shock ...

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$814.82 - $814.82
$814.82
$814.82 - $814.82
$814.82
Sold out

IsoFlex IFV30 HD-16S Flexible Coupling Element – Red (Shore 60)

$192.50 - $192.50
$192.50
$192.50 - $192.50
$192.50
Only 2 left!

IsoFlex IFV30 HD-16S Flexible Coupling Element – Red (Shore 60) Product Description The IsoFlex IFV30 HD-16S Flexible Coupling Element (Red – Shor...

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$192.50 - $192.50
$192.50
$192.50 - $192.50
$192.50

Centa Coupling CFR 3313316016

$1,285.85 - $1,285.85
$1,285.85
$1,285.85 - $1,285.85
$1,285.85

The CENTA CF-R coupling for ZF Hurth 30 / ZF 30M marine transmissions is a torsional coupling used between the engine flywheel and marine gearbox t...

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$1,285.85 - $1,285.85
$1,285.85
$1,285.85 - $1,285.85
$1,285.85
Sold out

Centa Coupling CFR 11.5 3227116003

$2,686.42 - $2,686.42
$2,686.42
$2,686.42 - $2,686.42
$2,686.42
Out of stock

The CENTA CF-R 3227116003 is a highly flexible torsional coupling for marine drivetrain applications using ZF 285 / ZF 286 A/IV transmissions with ...

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$2,686.42 - $2,686.42
$2,686.42
$2,686.42 - $2,686.42
$2,686.42
Sold out

3.5" X 4" OD Fiberglass Coupling CEN-1200222

$203.39 - $203.39
$203.39
$203.39 - $203.39
$203.39
Only 2 left!

Premium fiberglass coupling for marine applications. 3.5" x 4" OD construction provides reliable connection for shaft and drive systems. Engineered...

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$203.39 - $203.39
$203.39
$203.39 - $203.39
$203.39

Volvo Penta Quick Coupling 3588105

$415.00 - $415.00
$415.00
$415.00 - $415.00
$415.00
Only 1 left!

Volvo Penta Quick Coupling — Part No. 3588105 Genuine OEM quick-connect coupling for Volvo Penta marine engine fluid systems. Part 3588105 is engin...

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$415.00 - $415.00
$415.00
$415.00 - $415.00
$415.00
Sold out

Volvo Penta Flexible Coupling

$3,142.00 - $3,142.00
$3,142.00
$3,142.00 - $3,142.00
$3,142.00
Out of stock

OEM Volvo Penta flexible coupling for marine drivetrain applications. Designed to absorb vibration and misalignment between engine and transmission...

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$3,142.00 - $3,142.00
$3,142.00
$3,142.00 - $3,142.00
$3,142.00
Sold out

Volvo Penta Rubber Coupling 23117048

$520.00 - $520.00
$520.00
$520.00 - $520.00
$520.00
Only 2 left!

OEM Volvo Penta rubber coupling engineered for reliable vibration dampening and flexible connection in marine drive systems. Premium rubber constru...

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$520.00 - $520.00
$520.00
$520.00 - $520.00
$520.00