3868583 Drive | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta SX-C2 sterndrive with the 1.66:1 gear ratio, weighing about 66.5 kg and listed for 6 applications on the SX series. It consolidates two earlier numbers, 1146231 and 3868395, one of which was catalogued as an Aquamatic drive.

🚤 Compatibility

Typically suits:

• Volvo Penta SX-C
• Volvo Penta SX-C1
• Volvo Penta SX-C2
• Volvo Penta SX-CT
• Volvo Penta SX-CT1
• Volvo Penta SX-CT2

• Engine Family: SX

⚙️ Key Features

• SX-C2, 1.66:1 ratio
• About 66.5 kg
• 6 applications on the SX series
• Consolidates 1146231 and 3868395
• Also supersedes Volvo part number 3868160

🔌 Function

Complete sterndrive unit that turns the engine output through the upper and lower bevel gears to the propeller shaft, and carries the steering and trim movement.

⚠️ Common Signs of Failure

• Oil weeping from the seals or an oily film on the leg
• Drive oil milky or emulsified, showing water ingress
• Whine or growl from the gears that changes with load
• Vibration or a knock when engaging gear
• Corrosion and paint blistering on the castings

🛠️ Service Notes

• The SX-RT2 unit 3868587 shares this 1.66:1 ratio but is a different drive type, so check the drive designation as well as the ratio
• Heavy unit - plan for lifting gear and freight handling
• Renew the transom seals, bellows and gimbal bearing while the drive is off, and match the propeller to the ratio

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3868583 → Supersedes 1146231

OEM / Related Numbers

• 3868395 earlier number superseded by this part
• 1146231 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging