864994 Valve Seat | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve seat in the standard size, from the Engine group, weighing 0.057 kg and listed for 22 applications across TWD, TID, TAMD, TD and TAD series engines. Valve seat 864993 is listed beside it, also as standard size and with the same fitment coverage, and nothing in the listing says which seat is which, so order by part number.

🚤 Compatibility

• Engine Family: TWD, TID, TAMD, TD, TAD

Full model list at the end of this description.

⚙️ Key Features

• Standard size
• 0.057 kg
• 22 applications across five engine series
• Listed alongside valve seat 864993
• 6 used per assembly

🔌 Function

Gives the valve a hard face to seal against and carries heat out of the valve head.

⚠️ Common Signs of Failure

• Compression low on one cylinder
• Hiss into the inlet or exhaust with the valve closed
• Seat receded, pitted or burnt
• Valve clearances closing up as the seat sinks
• Hard starting with lost power

🛠️ Service Notes

• Valve seat 864993 shares the same fitment; check the number on the old part before ordering
• Seats are cut and the valves lapped after fitting, so this is engine shop work
• Reset the valve clearances after any seat work

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAD730G, TAD730P, TAD730V
• Volvo Penta TAMD72A, TAMD72P-A, TAMD72WJ-A
• Volvo Penta TD71A, TD71ACE, TD71AW
• Volvo Penta TAMD71B, TAMD71A
• Volvo Penta TAMD73P-A, TAMD73WJ-A
• Volvo Penta TWD740GE, TWD740VE
• Volvo Penta TAD740GE
• Volvo Penta TAD741GE
• Volvo Penta TD710G
• Volvo Penta TD730VE
• Volvo Penta TID71A
• Volvo Penta TWD710G
• Volvo Penta TWD731VE