Gledewen lower shift cable kit for Mercruiser Alpha One Gen I/II 865436A02 — OEM-fit with full hardware

Gledewen's 865436A02 lower shift cable kit is a complete, OEM-fit replacement for Mercruiser Alpha One Gen I and Gen II sterndrive shift systems.

This lower shift cable assembly is built to replace worn or damaged Mercruiser lower shift cables and restore precise gear selection on Alpha One, MC-I and MR sterndrives from late 1970s models through mid-2010s. The kit ships with every small component needed for a direct swap—slides, guides, anchors and the cable—manufactured to match original equipment tolerances for dependable shifting in marine conditions.

Will this kit fit my Mercruiser outdrive?

The Gledewen 865436A02 is made to be compatible with many Mercruiser sterndrive families, including Alpha One Gen I (1983–1990), Alpha One Gen II (1991–2016), MC-I and MR models going back to 1978. Verify fit by comparing the listed OEM numbers and the part photos to your existing lower cable.

• Replaces part numbers: 865436A02, 19543A10, 19543A8, GLM 21451, Sierra 18-2603, Mallory 9-72100.
• Fits Alpha One Gen I, Gen II, MC-I and MR sterndrives across specified years.
• Check old part layout and connector shapes against the included photos before ordering.

How easy is it to install the replacement lower shift cable?

Installation is intended as a direct replacement: the kit includes the shift cable and all mounting hardware so you can swap parts without fabricating adapters. Basic mechanical skills and common hand tools are usually enough, though access to the stern drive and a stable work platform is required.

• Includes slide, cable guide, threaded piece, iron wire, cable insert and anchor for a full swap.
• No special tools required beyond standard wrenches and pliers for most installations.
• Follow torque and routing of the original cable to preserve shift feel and longevity.

What materials and performance can I expect in marine conditions?

The cable and fittings combine rubberized coverings, steel cores and durable plastics designed to resist corrosion and abrasion in saltwater environments. Components are produced and tested under quality controls to provide stable, repeatable shifting while reducing frequent maintenance needs.

• Multi-layered construction for abrasion resistance and long life in wet conditions.
• Metal parts finished to resist corrosion; plastic guides sized to match OEM geometry.
• Manufactured to meet OEM specifications for fit and function.

What comes in the box and are there any guarantees?

The package contains the lower shift cable plus slides, cable end guide, threaded piece, iron wire, cable insert, cable anchor and partial accessories so you receive a near-complete replacement kit. Gledewen offers a 12-month warranty for replacement or refund if the product fails under normal use.

• Complete parts list included—designed to reduce additional trips to the hardware store.
• 12-month limited warranty for peace of mind with purchase.
• Customer support available to confirm part compatibility before installation.

Who is this for: boat owners, marine technicians and DIY mechanics with Mercruiser Alpha One, MC-I or MR outdrives who need a reliable lower shift cable replacement that mirrors OEM form and function. Choose this kit if you want a straightforward swap that restores crisp shifting and minimizes future maintenance, but always confirm part numbers and physical match to your existing cable before installation.