Description:
74639A2 — Shift Cable Bellows AssemblyProduct DescriptionPart number 74639A2 is a genuine Mercury Marine / Quicksilver OEM shift cable bellows assembly for MerCruiser sterndrive applications. The bellows provides a sealed, flexible boot around the drive unit shift cable at the transom entry point, preventing water ingress into the bilge and protecting the cable from corrosive exposure.The bellows is constructed from a flexible, ribbed UV-resistant composite rubber compound designed to accommodate the articulation and movement of the sterndrive during operation. Failure modes typically include cracking, hardening, or tearing of the rubber — usually a result of age, UV degradation, or extended submersion. Inspection and replacement is recommended as part of routine annual sterndrive service.Kit Contents:1 x Shift cable bellows1 x Stainless steel hose clamp1 x C-clamp / crush clampInstallation requires removal of the sterndrive unit. Standard hand tools are sufficient.FitmentCompatible with all MerCruiser sterndrive units equipped with a drive unit shift cable, 1963 and newer. Confirmed compatible drive series:Alpha One Gen IAlpha One Gen IIPre-AlphaBravo IBravo IIBravo IIIR and MR transom assemblies