30750943 Piston Cooling Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta piston cooling valve from the Lubricating and Oil System group, for engines from serial number 350114 onwards, weighing 0.084 kg and listed for 60 D series engine applications. It supersedes part number 30677893.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-220 HP
• Serial Range: SN350114-

Full model list at the end of this description.

⚙️ Key Features

• For engines from serial number 350114 onwards
• 0.084 kg
• Supersedes 30677893
• 60 D series engine applications

🔌 Function

Opens at the set oil pressure to feed the piston cooling jets, and closes below it to protect pressure elsewhere.

⚠️ Common Signs of Failure

• Low oil pressure from a valve stuck open
• Piston crown heat distress from a valve stuck shut
• Valve seat worn or eroded
• Debris holding the valve off its seat
• Oil pressure not rising as expected with engine speed

🛠️ Service Notes

• Check the engine serial number — this covers builds from 350114 onwards
• A valve stuck shut starves the piston cooling jets and destroys pistons — do not overlook it when investigating piston damage

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 30750943 → Supersedes 30677893 → Supersedes 8642166

OEM / Related Numbers

• 30677893 earlier number superseded by this part
• 8642166 earlier number superseded by this part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 D3-110I-B, D3-110I-C, D3-130I-C, D3-220I-G, D3-130A-A, D3-160A-A, D3-130A-B, D3-160A-B, D3-130A-C, D3-160A-C, D3-140A-D, D3-170A-D, D3-200A-D, D3-220A-D, D3-140I-D, D3-140A-E, D3-170A-E, D3-200A-E, D3-220A-E, D3-140I-E, D3-140A-F, D3-170A-F, D3-200A-F, D3-220A-F, D3-140I-F, D3-140A-G, D3-170A-G, D3-200A-G, D3-220A-G, D3-140I-G, D3-190A-B, D3-190A-C, D3-190I-A, D3-110I-A, D3-130I-A, D3-160I-A, D3-110I-D, D3-150I-D, D3-170I-D, D3-200I-D, D3-220I-D, D3-110I-E, D3-150I-E, D3-170I-E, D3-200I-E, D3-220I-E, D3-110I-F, D3-150I-F, D3-170I-F, D3-200I-F, D3-220I-F, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-160I-C, D3-190I-B, D3-190I-C, D3-130I-B, D3-160I-B