3869152 Volvo Penta XDP Drive Unit | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta XDP-B Ocean Series Composite Sterndrive - Part Number: 3869152

A genuine Volvo Penta XDP-B Ocean Series DuoProp sterndrive with a 1.96:1 overall reduction ratio.

The XDP-B uses a lightweight composite external housing and counter-rotating propellers. It was fitted to selected Volvo Penta petrol-engine packages during the mid-to-late 2000s.

⚙️ Key Features

• Genuine Volvo Penta XDP-B complete sterndrive
• Correct part number 3869152
• Overall reduction ratio of 1.96:1
• Composite Ocean Series external housing
• Twin counter-rotating DuoProp configuration

🚤 Compatibility

Commonly used on

• Volvo Penta XDP-B Ocean Series sterndrive installations

Typically suits

• Engine models:
• Volvo Penta 5.0GXi petrol sterndrive packages
• Volvo Penta 5.0OSXi Ocean Series packages
• Volvo Penta 5.7Gi petrol sterndrive packages
• Volvo Penta 5.7GXi petrol sterndrive packages
• Volvo Penta 5.7OSXi Ocean Series packages
• Engine installations specifically equipped with an XDP-B 1.96:1 drive and matching transom assembly
• HP Range: Approximately 270HP - 320HP
• Engine Type: Volvo Penta V8 fuel-injected petrol sterndrive engine
• Drive Type: Composite DuoProp sterndrive
• Gear Ratio: 1.96:1
• Year Range: Approximately 2005-2008

🔌 Function

The XDP-B transfers power through its upper and lower gear sets to two counter-rotating propellers. The DuoProp arrangement provides strong acceleration, improved low-speed control and reduced steering torque.

⚠️ Common Signs of Failure

• Cracking, swelling or delamination of the composite housing
• Water intrusion through damaged bellows or seals
• Corrosion around metal-to-composite attachment areas
• Gear, bearing or universal-joint noise
• Oil leakage or excessive movement at the propeller shafts

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3869152 current catalogue reference for the XDP-B 1.96 drive
• XDP replacement programs use a DPS-B or OceanX conversion rather than a direct XDP supersession

OEM / Related Numbers

• 3869152 - XDP-B 1.96:1
• 3869153 - related XDP-B 1.78:1
• 3869299 - related XDP-B 2.11:1
• 3869151 - related XDP-B 2.32:1
• 7747250 related XDP service-manual reference
• Related X-series DuoProp propeller sets

Aftermarket / Verified Equivalents

• Volvo Penta DPS-B conversion package - conversion components required
• Volvo Penta OceanX conversion - matching transom and exhaust components required
• Specialist rebuilt XDP-B 1.96 drive
• No direct bolt-on aftermarket complete-drive equivalent

📦 Condition

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