Description
Includes:
– Upper Shift Arm Shaft
Fits Models:
– MerCruiser R MR Alpha One Gen I
Model Years:
– Check fitment before purchase
Submodels:
– Applies to listed models
Engine Options:
– Compatible with standard engine options
Description:
The Upper Shift Arm Shaft is designed specifically for MerCruiser R MR Alpha One Gen I outdrives. This component is essential for the proper functioning of the shift mechanism, ensuring smooth gear transitions and reliable performance on the water.
Features:
– Direct replacement for OEM part number 45589A3
– High-quality construction for durability
– Ensures precise shifting and operation
– Easy installation with standard tools
– Compatible with various MerCruiser engine configurations
Part Number: 45589A3, 18-2169









