24603916 Upper Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta upper gear from the Marine Propulsion group, weighing 165.0 kg. It consolidates earlier references 23764934 and 3802386, whose cost record lists 89 applications across IPS pod drives and D series engines and offers a remanufactured upper gear.

⚙️ Key Features

• 165.0 kg
• Consolidates 23764934 and 3802386
• 89 applications across IPS pod drives and D series engines
• Remanufactured version available
• Also supersedes Volvo part numbers 3801419, 3801548, 3801660, 3801709, 3801720, 3801813, 3801931 and 3804548

🔌 Function

Transmits and redirects drive from the engine down through the upper part of the drive unit.

⚠️ Common Signs of Failure

• Whine or howl that changes with load and speed
• Tooth pitting, spalling or chipping
• Metal debris on the magnetic drain plug
• Water ingress into the gear oil, showing as a milky appearance
• Bearing wear alongside the gear damage

🛠️ Service Notes

• Compare against the remanufactured option on cost — at this size the saving is substantial
• At 165 kg this needs proper lifting equipment and support during fitting
• Establish why the old gear failed; water ingress or oil starvation will destroy the replacement too

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 24603916 → Supersedes 23764934 → Supersedes 21790153 → Supersedes 22858396 → Supersedes 21790127 → Supersedes 21680988

OEM / Related Numbers

• 3802386 earlier number superseded by this part
• 23764934 earlier number superseded by this part
• 21790153 earlier number superseded by this part
• 22858396 earlier number superseded by this part
• 21790127 earlier number superseded by this part
• 21680988 earlier number superseded by this part

📦 Condition

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