Description
SIERRA MerCruiser Inner Shift Cable, 73 Inch – 18-2159
It services MC-I, R, MR, Alpha One and Alpha One Gen II shift systems from the late-1970s era forward where this inner-wire arrangement is specified.
- Replacement stranded inner wire for selected MerCruiser lower shift cables.
- Overall cable length: 73 in (185.4 cm).
- Cataloged for MC-I, R, MR, Alpha One and Alpha One Gen II service.
- Verify the OEM part number and physical configuration before installation.
- Inspect conduit condition before replacing only the inner cable; binding or corrosion in the housing can require a complete cable assembly.
For marine drive and engine service parts, fitment can vary by model, serial number, gear ratio, casting and prior service history. Compare the original OEM number and physical configuration before installation, and replace related seals, bearings, locking hardware or cable components when their condition requires it.
Specifications
- Manufacturer: Sierra
- Part Number: 18-2159
- Verify the OEM part number and physical configuration before installation.
- Length: 185.4 cm (73 in)
- Part Type: Inner shift cable
- Application: MerCruiser Alpha-era lower shift systems
Interchange / OEM References
- GLM: 21460
- Mallory: 9-72159
- MerCruiser Stern Drive: 66069A2, 66065A1, 73679A2, 41951A1, 19543A2, 19543A4, 19543A8, 19543A10, 865436A02



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