411140 Valve Spring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve spring from the Engine group, weighing 0.007 kg and listed for 32 applications across AQ, TD, BB, TID, D and MB series engines. It is much lighter than the 0.039 kg compression spring 411139, which covers a different family list.

🚤 Compatibility

• Engine Family: AQ, TD, BB, TID, D, MB, TAMD

Full model list at the end of this description.

⚙️ Key Features

• 0.007 kg
• 32 applications across AQ, TD, BB, TID, D and MB series engines
• Engine group
• A fraction of the weight of compression spring 411139
• Quantity varies by assembly, most commonly two

🔌 Function

Closes the valve and holds it hard against its seat once the rocker or cam releases it.

⚠️ Common Signs of Failure

• Valve gear noisy, ticking or clattering
• Misfire or lost compression on one cylinder
• Engine falling flat at higher revs as a valve floats
• Spring found broken, collapsed or shorter than the others
• Retainer or collet damage on strip-down

🛠️ Service Notes

• Change valve springs as a full set - one weak spring in an otherwise tired set will not stay the only problem
• Check the valve, guide and seat while the head is apart, and use new collets if the old ones are marked

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta TD60D-83, TD60A, TD60B, TD60D
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta TAMD60A, TAMD60B, TAMD60C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta TID60DG, TID60D
• Volvo Penta AQ165A
• Volvo Penta BB165A
• Volvo Penta D42A
• Volvo Penta D45BPP
• Volvo Penta TD45B