3804398 Lower Gear Core | Genuine Volvo Penta Part

🔧 Product Description

Core deposit line for a lower gear, held in the Marine Propulsion group. The line exists to hold the refundable charge on the old lower gear being handed back against an exchange unit; no hardware moves against it. Its pair is part 3801398, which is where the lower gear comes from.

⚙️ Key Features

• A deposit line, not a shippable part
• Refunded on return of the old lower gear
• Pairs with part 3801398

🔌 Function

Holds the refundable core charge against an exchange lower gear and releases it once the old lower gear is returned.

⚠️ Common Signs of Failure

• This is a deposit line and has nothing to fail in itself; the signs below are what normally condemns the lower gear being exchanged
• Metal particles clinging to the magnet on the drain plug
• Play at the propeller shaft, or a shaft that no longer runs true
• Drive slipping or refusing to take up in forward or astern
• A whine, growl or clunk from the lower unit that changes with drive load

🛠️ Service Notes

• The charge on this line is refunded on return of the old lower gear.
• Ordering this number on its own supplies no part - the lower gear comes from its paired line, part 3801398.

📦 Condition

• Refundable core deposit - not a physical part