Alpha One Gen.2 Drive parts until 1997

MerCruiser Alpha One Gen.2 Drive spare parts (Z-drive parts upper unit)

In this category you will find spare parts for the upper drive unit of the MerCruiser Alpha One Gen.2. Ideally, they are assigned by serial number and year of manufacture (e.g. OD469859-0K9999 / 1991-1997) as well as the MerCruiser OEM reference number. The range includes drive shaft positions and joint parts (yoke/joint socket) for Alpha One Gen.2. For workshops and resellers, we recommend direct purchase/quick order by part number to minimize downtimes during repairs.

Water supply line for Mercruiser Alpha, MD860220
Water supply line for Mercruiser Alpha, MD860220
article nr.05242
11,52 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Cone bearing for Mercruiser Alpha up to 1995, MD61100A1
Cone bearing for Mercruiser Alpha up to 1995, MD61100A1
article nr.03861

Bearing for upper drive shaft (in the cover).
Mercruiser Ref. no. 31-61100A1

32,71 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Screw for Mercruiser Alpha/Bravo drive cover, MD98794
Screw for Mercruiser Alpha/Bravo drive cover, MD98794
article nr.03889

Mercruiser ref. no. 10-30206 10-8M0113180 10-98794 30206 8M0113180 98794

12,72 EUR / Piece
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Tapered bearing for Mercruiser Alpha from 1996, MD32575T1
Tapered bearing for Mercruiser Alpha from 1996, MD32575T1
article nr.03862

Bearing for upper drive shaft (in the cover).
Mercruiser ref. no. 31-32575T1

20,95 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Universal joint for Mercruiser / OMC / Volvo Penta, MD75832T
Universal joint for Mercruiser / OMC / Volvo Penta, MD75832T
article nr.01752

Universal joint for Mercruiser Alpha One up to 1986, OMC Cobra up to 1993 and Volvo Penta AQ 200-290, SP-A, DP-A/B

52,06 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Valve spring set for Mercruiser Alpha/Bravo, 17997A1
Mercury-Mercruiser-Quicksilver
Valve spring set for Mercruiser Alpha/Bravo, 17997A1
article nr.02330

Valve spring kit for sterndrive oil reservoir.
Mercruiser No. 24-17997A1

8,10 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Adjustment disk set for Mercruiser, 35980A1
Mercury-Mercruiser-Quicksilver
Adjustment disk set for Mercruiser, 35980A1
article nr.03885

Set with one shim each 0.002, 0.003, 0.005, 0.006, 0.010, 0.025 inch thickness.
Mercruiser No. 15-35980A1

13,47 EUR / Set
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Cardan joint bracket short for Mercruiser / OMC, MD46020T02
Cardan joint bracket short for Mercruiser / OMC, MD46020T02
article nr.03037

Cardan joint bracket with short shaft (yoke).
Mercruiser ref. no. 46020T02

73,35 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Roller bearing for Mercruiser Alpha gear set 1.65 - 1.84 - 1.98, MD35990A1
Roller bearing for Mercruiser Alpha gear set 1.65 - 1.84 - 1.98, MD35990A1
article nr.03871

Mercruiser ref. no. 31-35990A1

59,04 EUR / Set
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Ball bearing set for Mercruiser Alpha, MD35988A12
Ball bearing set for Mercruiser Alpha, MD35988A12
article nr.03884

for upper drive shaft (all ratios, except 1.32).
Mercruiser ref. no. 31-35988A12

113,22 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Cardan drive shaft long for Mercruiser / OMC / Volvo Penta, MD59830A7
Cardan drive shaft long for Mercruiser / OMC / Volvo Penta, MD59830A7
article nr.03877

Cardan yoke shaft with 241 mm (9-1/2 inch) long shaft section (yoke assembly).
Mercruiser ref. no. 59830A7, Volvo Penta ref. no. 3850815

118,53 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Filler wall for Mercruiser Alpha, 815932
Mercury-Mercruiser-Quicksilver
Filler wall for Mercruiser Alpha, 815932
article nr.05244
6,48 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Oil seal carrier for Mercruiser Alpha, MD66081A2
Mercury-Mercruiser-Quicksilver
Oil seal carrier for Mercruiser Alpha, MD66081A2
article nr.03882

Oil seal carrier assembly.
Mercruiser no. 8M0171103, 66081A2

78,00 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Spacer washer (drive shaft) for Mercruiser Alpha One, 35983
Mercury-Mercruiser-Quicksilver
Spacer washer (drive shaft) for Mercruiser Alpha One, 35983
article nr.02339

Washer for upper Alpha One Z-drive shaft
Mercruiser No. 35983

16,40 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Washer Mercruiser 8M0042641
Recmar
Washer Mercruiser 8M0042641
article nr.REC8M0042641

WASHER

7,90 EUR / Piece
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
(Max quantity: 6 Piece)
Z-drive shaft yoke short (8-1/8 / 20.6 cm) for Mercruiser Alpha One Gen 2, 39385A1
Z-drive shaft yoke short (8-1/8 / 20.6 cm) for Mercruiser Alpha One Gen 2, 39385A1
article nr.09077

Mercruiser no. 39385A1

246,70 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
 Drive cover with bearing for Mercruiser Alpha One, MD828692A1
Drive cover with bearing for Mercruiser Alpha One, MD828692A1
article nr.05259

Cover with ball bearing (31-61100A1) and shim set (15-45691A1) for drive housing / cover assembly.
Mercruiser ref. no. 828692A1

115,85 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
 Shim set for Mercruiser Alpha One Gen.2, MD42637A1
Shim set for Mercruiser Alpha One Gen.2, MD42637A1
article nr.05577

Mercruiser Ref. No. 15-42637A1

24,56 EUR / Set
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
(Max quantity: 1 Set)
Cardan drive shaft for Mercruiser Alpha One Gen.2, MD853635
Cardan drive shaft for Mercruiser Alpha One Gen.2, MD853635
article nr.03038

Mercruiser ref. no. 853635.

 

72,44 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
Original spare part
Universal joint for Mercruiser Alpha / Bravo from 2002 , 865496A02
Mercury-Mercruiser-Quicksilver
Universal joint for Mercruiser Alpha / Bravo from 2002 , 865496A02
article nr.04722

Mercruiser no. 865496A02

261,35 EUR
incl. 19% VAT
Lieferung Fri 21. Aug - Tue 25. Aug 2026 **
24 months statutory warranty
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    Over 15 years’ experience in the marine spare parts trade
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    Official Mercury & MerCruiser dealer
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    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
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    Order boat spare parts conveniently online 24/7

Function & significance of the Alpha One Gen2 Drive

The drive unit in the Mercruiser Alpha One Gen2 combines engine power with the propeller drive. It ensures

  • Efficient power transmission from the engine to the drive

  • Precise shifting and driving reactions

  • Reliable forward, neutral and reverse gears

  • Stable and resilient system operation

A functioning drive is essential for performance, handling and safety on the water.


Structure & technical features

The drive unit consists of several assemblies:

  • Gearbox housing with integrated carrier and sealing surfaces

  • Gears & toothing for the transmission of the motor speed

  • Bearings & bushings for axial and radial guidance

  • Seals & shaft seals for sealing against water and oil

  • Shifting and power transmission elements

  • Fastening parts, screws & spacer sleeves

Together, these assemblies ensure stable power transmission and minimal friction losses.


Typical spare parts & service components

Key drive spare parts for the Alpha One Gen2 include:

  • Gear sets & geared components

  • Bearings & bearing bushes

  • Shaft seals & housing seals

  • Spacer and fitting sleeves

  • Shift and clutch parts

  • Fastening screws & service kits

Precisely fitting components minimize play, reduce mechanical wear and ensure smooth operation.


Selection criteria: Model, OEM reference & fit

The right choice of spare parts is crucial:

  • Mercruiser Alpha One Gen2 Drive model & engine combination

  • OEM reference number or original part number

  • Year of manufacture & series configuration

  • Dimensions, gear and flange dimensions

  • Application profile (load, sailing area)

Structured matching reduces incorrect orders and ensures perfect fit and function.


Installation & service instructions

The following applies when installing and servicing drive components:

  • Remove old seals completely

  • Clean and check contact and sealing surfaces

  • Align new seals/shaft seals correctly

  • Press in or align bearings without play

  • Position gears and splines precisely

  • Observe OEM torque specifications for screws

  • Perform a functional test under load after assembly

Correct assembly extends service life and reduces the risk of failure.


Maintenance, testing & typical error patterns

Regular maintenance and inspection measures include

  • Visual inspection for leaks or oil film

  • Check bearing condition for play or noise

  • Checking the toothing surfaces for wear

  • Function test under load and different driving conditions

Typical error patterns are

  • Irregular shifting reactions

  • Play in the drive system

  • Toothing or bearing noises

  • Leakage at sealing surfaces

Early diagnosis prevents consequential damage and expensive repairs.


Quality & safety aspects

Mercruiser Alpha One Gen2 Drive spare parts are characterized by:

  • OEM-compliant fit & technical specification

  • Corrosion and pressure-resistant alloys

  • High-quality gearing and bearing technology

  • Service components for inspection and maintenance

This increases efficiency, reduces maintenance costs and ensures robust running and driving performance.