3830720 Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta gear for seawater pump 3830699, from the Cooling System group, weighing 1.018 kg and listed for 7 applications on TAMD series engines. It supersedes part numbers 3826689 and 866780, one of which was catalogued earlier as a shaft.

🚤 Compatibility

Typically suits:

• Volvo Penta TAMD63L-A
• Volvo Penta TAMD63P-A
• Volvo Penta TAMD75P-A
• Volvo Penta TAMD73P-A
• Volvo Penta TAMD73WJ-A
• Volvo Penta TAMD74P-A
• Volvo Penta TAMD74P-B

• Engine Family: TAMD

⚙️ Key Features

• For seawater pump 3830699
• 1.018 kg
• Supersedes 3826689 and 866780
• 7 applications on TAMD series engines

🔌 Function

Transmits drive torque into the pump, meshing with the driving gear to turn the pump shaft.

⚠️ Common Signs of Failure

• Whine or rattle from the pump drive that changes with revs
• Teeth chipped, pitted or worn to a point
• Backlash noticeably greater than it should be
• Metal particles in the oil or on the drain plug
• Pump turning unevenly or binding at one point in rotation

🛠️ Service Notes

• This gear is listed against pump 3830699, so confirm your pump number before ordering
• One of the numbers it replaces was previously catalogued as a shaft, so an older records search may list it under that name
• Inspect the meshing gear for matching wear - renewing only one side will wear the new part quickly

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3830720 → Supersedes 3826689

OEM / Related Numbers

• 866780 earlier number superseded by this part

📦 Condition

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