model04000
manufacturer
Weight:20,41 kg

Z-drive upper part 1.81 for Mercruiser R/MR/Alpha One Gen.1, MD1547-9412A22

Lieferung Thu 20. Aug - Mon 24. Aug 2026 **
24 months statutory warranty

Ready-to-install Z-drive upper part with 1.81:1 ratio for Mercruiser with V6 engine and 470/485 models. Mercruiser ref. no. 1547-9412A22

Z-drive upper part 1.81 for MerCruiser R / MR / Alpha One - OEM-compatible, ready to fit & powerful

The MD1547 Z-drive upper part with a ratio of 1.81:1 is the ideal solution for replacing worn or defective upper parts on MerCruiser R, MR and Alpha One Gen I Z-drives built up to 1990. This completely pre-assembled upper water part is identical in construction to OEM number 9412A22 and impresses with its maximum accuracy of fit and durability.

Technical data:

  • Gear ratio: 1.81:1 - ideal for V6 engines and powerful 4-cylinder engines

  • Compatible with: MerCruiser R / MR / Alpha One Gen 1 (up to model year 1990)

  • OEM replacement for: 9412A22

  • Scope of delivery: Fully pre-assembled incl. shift mechanism, intermediate bearing, drive shaft, seals & oil line

  • Material: Powder-coated aluminum alloy - seawater-resistant & durable

Your benefits:

  • Ready for immediate installation - no additional assembly work required

  • OEM-compatible - 100% accurate fit and fully compatible with original underwater parts

  • Reliable power transmission with smooth running

  • Low-maintenance & robust - suitable for demanding operating conditions

  • Cost-efficient alternative to original parts

Typical applications:

  • Replacement of defective or worn topside parts

  • Repair & modernization of classic MerCruiser sterndrive systems

  • Suitable for sports, fishing and leisure boats with Gen I systems

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