958807 Sealing Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta sealing ring published at 0.002 kg and listed for 42 applications across the MD, MB, AQ, BB, B and AQD series. It supersedes 940398, which was catalogued earlier as an O-ring - so an older parts list may point you to the O-ring section for what is now supplied under this number.

🚤 Compatibility

• Engine Family: MD, MB, AQ, BB, B, AQD

Full model list at the end of this description.

⚙️ Key Features

• 0.002 kg
• 42 applications across six engine series
• Supersedes 940398
• 940398 was catalogued earlier as an O-ring

🔌 Function

Seals a joint by being compressed between the two faces, closing the leak path as the joint is pulled up.

⚠️ Common Signs of Failure

• Weeping or a wet film at the sealed joint
• Ring flattened, hardened or cracked on removal
• Ring stuck to one face and torn on strip-down
• Fluid staining tracking away from the joint

🛠️ Service Notes

• Renew rather than reuse - a ring that has taken a set will not seal again
• Make sure the old ring has not been left behind on the mating face

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 958807 → Supersedes 940398

OEM / Related Numbers

• 940398 earlier number superseded by this part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 AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta MD5A, MD5B, MD5C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta MD11C, MD11D
• Volvo Penta MD17C, MD17D
• Volvo Penta MD6A, MD6B
• Volvo Penta MD7B, MD7A
• Volvo Penta 100S, 110S
• Volvo Penta AQ165A
• Volvo Penta AQD2B
• Volvo Penta AQD21A
• Volvo Penta B20
• Volvo Penta BB165A
• Volvo Penta MB10A
• Volvo Penta MD1B
• Volvo Penta MD2B
• Volvo Penta MD21A
• Volvo Penta MD3B
• Volvo Penta MD67C