23493797 Idler Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta idler gear from the Engine group, weighing 12.62 kg and listed for three TAD series engine applications. It supersedes 21430913, and has itself been superseded into gear 23493799 - so check availability of the current number first.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1346GE
• Volvo Penta TAD1371-75VE
• Volvo Penta TAD1351-53VE

• Engine Family: TAD

⚙️ Key Features

• Idler gear from the Engine group
• 12.62 kg
• Supersedes 21430913
• Listed for three TAD series engine applications
• Itself now superseded into idler gear 23493799

🔌 Function

Sits in the timing gear train and passes drive from one gear to the next, keeping the driven components turning in the right direction and in time with the crankshaft.

⚠️ Common Signs of Failure

• Rattle, whine or knocking from the timing gear end of the engine
• Noise that changes as the engine warms and the clearances take up
• Timing drifting or a cam or injection timing fault stored
• Teeth found pitted, scuffed or spalled on strip-down
• Excessive backlash or a worn idler bush and shaft

🛠️ Service Notes

• This number has been superseded into idler gear 23493799, so check availability of the current part first
• Inspect the idler shaft, bush and the gears either side while the train is open - a failed idler rarely leaves its neighbours untouched

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 23493797 → Supersedes 21430913

OEM / Related Numbers

• 21430913 earlier number superseded by this part

📦 Condition

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