94992-C 94993A7 88302A1 Mercruiser Gen 1 Gimble Ring (Lower Roller Bearing Type) | Genuine Used Part

🔧 Product Description

Genuine MerCruiser R MR Alpha One Gen I Gimbal Ring Assembly - Part Number: 94993A7

A genuine used MerCruiser lower-roller-bearing-type gimbal ring for R, MR and Alpha One Gen I transom systems.

The ring commonly carries casting identification 94992-C and supports the sterndrive between its upper steering connection and lower roller-bearing pivot. The listing also references earlier complete assembly 88302A1.

⚙️ Key Features

• Genuine Mercury MerCruiser OEM Gen I gimbal ring
• Correct service assembly 94993A7
• Associated casting 94992-C
• Lower roller-bearing style used on R / MR / Alpha One Gen I transoms
• Supersedes earlier 94993A4 and 88343A2 references

🚤 Compatibility

Commonly used on

• MerCruiser R, MR and Alpha One Gen I transom assemblies
• Lower roller-bearing gimbal-ring systems

Typically suits

• Engine models:
• R / MR / Alpha One sterndrive - 1983-1990, serial 6225577 to 0F386995
• R / MR / Alpha One transom assembly - 1983-1990, serial 6216687 to 0F386995
• Earlier 1976-1982 pre-Alpha assemblies using complete ring family 88302A1 where the casting and steering-shaft configuration match
• HP Range: Engine-family controlled
• Engine Type: MerCruiser R / MR / Alpha One Gen I sterndrive transom system
• Year Range: Approximately 1983 - 1990; earlier 88302A1 applications configuration controlled

🔌 Function

The ring supports and steers the sterndrive while allowing trim and tilt. The lower roller bearing carries pivot load and must remain correctly seated and lubricated.

⚠️ Common Signs of Failure

• Upper steering connection is worn
• Lower roller-bearing bore or journal is damaged
• Hinge-pin bores have excess movement
• Ring is cracked or severely corroded
• Drive has steering play or binds while trimming

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 94993A7 → Supersedes 94993A4 and 88343A2
• 94993A4 / 88343A2 earlier OEM gimbal-ring references

OEM / Related Numbers

• 94993A7
• 94993A4
• 94993A9 related ring reference
• 88343A2
• 94992-C casting
• 88302A1 related earlier complete gimbal-ring assembly

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated