79932A9 Mercury Shift Shaft/Upper Lever Assy | Genuine Used Part

🔧 Product Description

Genuine Mercury Upper Shift Shaft and Lever Assembly - Part Number: 79932A9

A genuine Mercury upper shift-shaft and lever assembly for selected three-cylinder and four-cylinder carburetted outboards.

The assembly links the powerhead-mounted control mechanism to the lower shift rod and includes the factory upper lever geometry required for full forward, neutral and reverse travel.

⚙️ Key Features

• Genuine Mercury shift-shaft assembly
• Correct part number 79932A9
• Includes upper shaft and lever as assembled
• Used on selected 70HP-100HP engines
• Factory shaft length and lever orientation
• Discontinued OEM component

🚤 Compatibility

Documented on selected

• Mercury 70HP three-cylinder outboards
• Mercury 75HP three-cylinder outboards
• Mercury 80HP three-cylinder outboards
• Mercury 90HP three-cylinder outboards
• Mercury 100HP four-cylinder outboards
• Mercury 80HP serial 0A996142-0B240450
• Mercury 90HP serial 9483121-9506480
• Mercury 70HP serial 9506481-9589038
• 1994 Mercury 100 ELPTO model 7100412CD
• Broadly documented on 1989-1998 applications
• Engine Type: Mercury / Mariner carburetted two-stroke outboard
• HP Range: Approximately 70HP - 100HP
• Fitment Requirement: Confirm serial number and bushing arrangement

🔌 Function

The upper lever receives movement from the control cable and rotates the shaft. That movement is transferred to the lower shift rod and gearcase clutch mechanism.

⚠️ Common Signs of Failure

• Shift control has excessive free play
• Shaft is bent or corroded
• Lever weld or pivot is cracked
• Bushings are worn
• Forward or reverse cannot be adjusted to full engagement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 79932A9 current documented assembly reference
• No direct later supersession confirmed

OEM / Related Numbers

• 79932A9
• 23-48237 upper shift-shaft bushing
• 23-42994 lower shift-shaft bushing
• 42912A1 related shift link
• Related wave washer, pin and retaining hardware

Aftermarket / Verified Equivalents

• Specialist used or new-old-stock 79932A9 assembly
• Used complete Mercury upper shift-linkage assembly
• No verified direct aftermarket shaft-and-lever assembly

📦 Condition

• Genuine used assembly
• Removed from running engine where applicable
• In good working condition unless otherwise stated
• Replace worn bushings during installation