3580964 Valve Spring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve spring from the Engine group, weighing 0.009 kg and listed for 22 applications across D and MD series engines. It supersedes part number 3580480.

🚤 Compatibility

• Engine Family: D, MD
• HP Range: 30-75 HP

Full model list at the end of this description.

⚙️ Key Features

• 0.009 kg
• Supersedes 3580480
• 22 applications across D and MD series engines

🔌 Function

Closes the valve and holds it against its seat, following the cam profile without float.

⚠️ Common Signs of Failure

• Spring broken, usually at the end coil
• Free length or fitted load below specification
• Valve float or misfire at higher engine speeds
• Valve not seating fully, showing as compression loss
• Corrosion pitting on the spring surface

🛠️ Service Notes

• Measure free length and fitted load against specification — a tired spring looks perfect
• Renew springs as a set; if one has failed the others have done the same hours

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3580964 → Supersedes 3580480

OEM / Related Numbers

• 3580480 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D2-40, D2-40B, D2-40F, D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-50F, D2-75, D2-75B, D2-75C, D2-75F, D2-60F
• Volvo Penta MD2030, MD2030B, MD2030-C, MD2030-D
• Volvo Penta D1-30, D1-30B, D1-30F