3582395 23370772 Volvo Penta Sail Drive Unit 130s/MS25S | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta 130S / MS25S-A Complete Saildrive - Part Number: 23370772

A genuine Volvo Penta 130S saildrive fitted with the MS25S-A gearbox and a 2.47:1 reduction ratio.

The assembly combines the marine gearbox, vertical saildrive leg, lower gear housing and propeller shaft in a compact propulsion unit designed for inboard diesel-powered sailing vessels.

⚙️ Key Features

• Genuine Volvo Penta 130S saildrive assembly
• Current service part number 23370772
• Original listing reference 3582395
• MS25S-A gearbox with 2.47:1 reduction
• Suitable for selected MD, D1 and D2 diesel engine packages

🚤 Compatibility

Commonly used on

• Volvo Penta 130S saildrive installations
• Volvo Penta MS25S-A marine gearbox and saildrive assemblies

Typically suits

• Engine models:
• Volvo Penta MD2020
• Volvo Penta MD2030
• Volvo Penta MD2040
• Volvo Penta D1-20
• Volvo Penta D1-30
• Volvo Penta D2-40
• Sailing-vessel installations specified with a 130S / MS25S-A 2.47:1 drive
• HP Range: Approximately 18HP - 40HP
• Engine Type: Volvo Penta naturally aspirated marine diesel
• Drive Type: Saildrive with integrated forward and reverse gearbox
• Gear Ratio: 2.47:1
• Year Range: Approximately mid-1990s onward, dependent on engine and saildrive configuration

🔌 Function

The MS25S gearbox selects forward, neutral and reverse, while the vertical saildrive leg transfers power below the hull to the propeller shaft. The 2.47:1 reduction allows the engine to operate at its designed speed while turning the propeller at a lower, more efficient speed.

⚠️ Common Signs of Failure

• Water or emulsified oil inside the saildrive
• Propeller-shaft seal leakage
• Gear or bearing noise in forward or reverse
• Stiff, delayed or slipping gear engagement
• Ageing, cracking or leakage from the hull diaphragm

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 23370772 → Supersedes 22755310
• 22755310 → Replaces earlier 3584508 and 3582395 references
• 3582395 original MS25S / 130S saildrive reference

OEM / Related Numbers

• 23370772
• 22755310
• 3584508
• 3582395
• 21389074 / 877362 related saildrive sealing kit
• 22222853 / 3586701 related clamping ring
• 22303438 related rubber mounting plate
• 3856834 related drive gasket

Aftermarket / Verified Equivalents

• Specialist remanufactured MS25S-A / 130S 2.47 saildrive
• Aftermarket saildrive diaphragm, seal and bearing service kits
• No direct aftermarket complete saildrive equivalent

📦 Condition

• Genuine used part
• Removed from running installation where applicable
• In good working condition unless otherwise stated
• Saildrive diaphragm, anodes and seals should be inspected before installation