MerCruiser Alpha One Gen2 drives - complete Z-drive systems

MerCruiser Alpha One Gen2 drives include complete sterndrive systems with gearbox, shift mechanism, shaft, propeller, seals and mounting parts for leisure and sports boats. Precisely fitting basic and repair solutions are selected according to OEM reference number, engine type and year of manufacture and guarantee reliable power transmission, stable shifting and long-lasting function in maritime use.

Original spare part
Ground strap set for Mercruiser Z-drives 99940A2
Mercury-Mercruiser-Quicksilver
Ground strap set for Mercruiser Z-drives 99940A2
article nr.04922

for all common Mercruiser Z-drives (see details)

48,89 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive lower part for Mercruiser Alpha One Gen.2, MD1623-815822A53
Z-drive lower part for Mercruiser Alpha One Gen.2, MD1623-815822A53
article nr.00237

Ready-to-install Z-drive underwater part (standard direction of rotation) for Mercruiser with 4/6 cyl. in-line engine and V6/V8 models. Mercruiser ref. no. 1623-815822A32, 1623-815822A43, 1623-815822A53, 1623-815823A5, 623-815822A53, 623-815822R53, 815822A43, 815822A53

1.950,55 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 )
Z-drive lower part for Mercruiser Alpha One Gen.2 from 1998 MD1623-815822A55
Z-drive lower part for Mercruiser Alpha One Gen.2 from 1998 MD1623-815822A55
article nr.09550

Ready-to-install Z-drive underwater part (standard direction of rotation) for Mercruiser from 1998 (Serial. 0L100040) . Mercruiser ref. no. 1623-815822A45, 1623-815822A55, 815822A55

2.094,90 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive lower part for Mercruiser Alpha One Gen.2, 815822A53
Mercury-Mercruiser-Quicksilver
Z-drive lower part for Mercruiser Alpha One Gen.2, 815822A53
article nr.09567

Ready-to-install Z-drive underwater part (standard direction of rotation) for Mercruiser with 4/6 cyl. in-line engine and V6/V8 models. Mercruiser ref. no. 1623-815822A32, 1623-815822A43, 1623-815822A53, 1623-815823A5, 623-815822A53, 623-815822R53, 815822A43, 815822A53

3.518,89 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive upper part 1.47 for Mercruiser Alpha One Gen.2, MD1547-861063A12
Z-drive upper part 1.47 for Mercruiser Alpha One Gen.2, MD1547-861063A12
article nr.00239

Ready-to-install Z-drive upper part with 1.47:1 ratio for Mercruiser with 5.0L and 5.7L engine.
Mercruiser ref. no. 1547-861063A12

1.734,84 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 )
 Z-drive upper part 1.62 for Mercruiser Alpha One Gen.2, MD1547-861063A10
Z-drive upper part 1.62 for Mercruiser Alpha One Gen.2, MD1547-861063A10
article nr.04004

Ready-to-install Z-drive upper part with 1.62:1 gear ratio for Mercruiser with 4.3L and 5.0L engine.
Mercruiser Ref. no. 1547-861063A10

1.758,72 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 )
Original spare part
Transom MerCruiser Alpha One Gen.2 1991-1993, 6010000DP
Mercury-Mercruiser-Quicksilver
Transom MerCruiser Alpha One Gen.2 1991-1993, 6010000DP
article nr.04940

This complete transom is suitable for Mercruiser Alpha One Generation 2 BJ. 1991-1993Mercruiser Ref.-No. 6010000DP

3.914,20 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Original spare part
Transom MerCruiser Alpha One Gen.2 from 1994 6111002LP
Mercury-Mercruiser-Quicksilver
Transom MerCruiser Alpha One Gen.2 from 1994 6111002LP
article nr.04941

This complete transom is suitable for Mercruiser Alpha One Generation 2 from model year 1994Mercruiser ref. no. 6111002LP / 61000004P

4.026,95 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Underwater part (gearcase) for Mercury 110 - 200 hp 2-stroke outboard engines
Underwater part (gearcase) for Mercury 110 - 200 hp 2-stroke outboard engines
article nr.09494

Ready-to-install underwater part (standard right-hand rotation) for Mercury 110 - 200 hp 2-stroke models.

  • 2.0 / 2.4 / 2.5 L V6
  • V115 - V-200 (DFI)
  • XR-6
  • 110, 140 JET (2.5L)

2.208,42 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive complete 1.81 for Mercruiser Alpha One Gen.2 LH, 5111400TP
Mercruiser
Z-drive complete 1.81 for Mercruiser Alpha One Gen.2 LH, 5111400TP
article nr.09566

Ready-to-install sterndrive with 1.81:1 ratio for Mercruiser with 4.3L and 4.3LX engine.
Mercruiser ref. no. 5111400TP

Counterclockwise C/R complete set incl. bellhousing gasket set and gear oil

5.071,12 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive complete 1.81 for Mercruiser Alpha One Gen.2 RH, 5121400TP
Z-drive complete 1.81 for Mercruiser Alpha One Gen.2 RH, 5121400TP
article nr.09565

Ready-to-install sterndrive with 1.81:1 ratio for Mercruiser with 4.3L and 4.3LX engine.
Mercruiser ref. no. 5121400TP

Clockwise rotation (standard) Complete set incl. bellhousing seal kit and gear oil

5.255,45 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
Z-drive lower part for Mercruiser Alpha One Gen.2, MD1623-815822A47
Z-drive lower part for Mercruiser Alpha One Gen.2, MD1623-815822A47
article nr.04007

Ready-to-install Z-drive underwater part (counterclockwise rotation) for Mercruiser with 4/6 cyl. in-line engine and V6/V8 models. Mercruiser ref. no. 1623-815822A47

2.390,58 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Z-drive upper part 1.81 for Mercruiser Alpha One Gen.2, MD1547-861063A8
Z-drive upper part 1.81 for Mercruiser Alpha One Gen.2, MD1547-861063A8
article nr.04005

Ready-to-install Z-drive upper part with 1.81:1 ratio for Mercruiser with 4.3L and 4.3LX engine.
Mercruiser ref. no. 1547-861063A8

1.675,15 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Z-drive upper part 1.94 for Mercruiser Alpha One Gen.2, MD1547-861063A6
Z-drive upper part 1.94 for Mercruiser Alpha One Gen.2, MD1547-861063A6
article nr.04006

Ready-to-install Z-drive upper part with 1.94:1 ratio for Mercruiser with 3.0L and 3.0LX engine.
Mercruiser ref. no. 1547-861063A6

1.703,00 EUR
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 )
Displaying 1 to 14 (of 14 products)
  • Over 15 years’ experience in the marine spare parts trade
    Over 15 years’ experience in the marine spare parts trade
  • Official Mercury & MerCruiser dealer
    Official Mercury & MerCruiser dealer
  • A wide range of boat engine spare parts from A to Z
    A wide range of boat engine spare parts from A to Z
  • Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
    Spare parts for Volvo Penta, MerCruiser, Yamaha, Honda, Suzuki and more
  • Fast delivery for maintenance, servicing and repairs
    Fast delivery for maintenance, servicing and repairs
  • Order boat spare parts conveniently online 24/7
    Order boat spare parts conveniently online 24/7

System overview Alpha One Gen2

The Alpha One Gen2 is a further developed Z-drive generation with optimized bearing guidance, improved sealing technology and adapted shift mechanics. The system connects the motor and propeller via a coordinated gearbox housing and ensures efficient power transmission under different load conditions.


Components of a complete drive

A complete Alpha One Gen2 drive typically consists of:

  • Gearbox housing with gear set

  • intermediate housing

  • Shift mechanism

  • Drive shaft

  • Bearing and bushing elements

  • Seals, O-rings and shaft seals

  • Fastening and mounting material

All components are designed to work together.


Gearbox and shift mechanism

The gearshift mechanism enables the selection of forward, neutral and reverse gear. Precisely manufactured gear wheels, shift forks and clutch elements ensure backlash-free gear changes. Correct adjustment is crucial for clean gear changes and reduced mechanical stress.


Shaft, propeller and bearing technology

The drive shaft transmits the engine speed to the propeller. High-quality bearings and precise tolerances ensure low-vibration running and minimized wear. Correct bearing guidance is essential for the efficiency and service life of the system.


Seals and sealing systems

Modern sealing concepts prevent water and oil loss in the gearbox housing. O-rings, radial shaft seals and surface seals must fit the respective generation exactly to ensure lubrication and prevent corrosion.


Selection by OEM reference number and year of manufacture

The following data is required for correct identification:

  • OEM reference number

  • Engine type and displacement

  • Year of manufacture

  • Drive or serial number

These parameters ensure that the complete drive is technically compatible.


Installation and maintenance instructions

The following points must be observed when replacing or installing an Alpha One Gen2 drive:

  • Thoroughly clean the sealing surfaces

  • Check bearings and shafts for play

  • Tighten screws to the specified torque

  • Test switching function and propeller run after installation

Regular inspections increase operational safety and service life.


Typical fault patterns

Possible indications of defects in the drive system:

  • Unusual noises or vibrations

  • Sluggish or delayed gear shifting

  • Loss of oil or water

  • Loss of power under load

Early diagnosis reduces consequential damage.