460181 Valve Spring Washer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve spring washer from the Engine group, weighing 0.009 kg and listed for 36 applications across the MB, AQ, MD, TMD, AQAD and BB series. It consolidates five earlier numbers, 419644, 875380, 875353, 875113 and 875405, one of which was catalogued simply as a washer.

🚤 Compatibility

• Engine Family: MB, AQ, MD, TMD, AQAD, BB, TAMD, TD, AQD

Full model list at the end of this description.

⚙️ Key Features

• Consolidates 419644, 875380, 875353, 875113 and 875405
• 0.009 kg
• 36 applications across the MB, AQ, MD, TMD, AQAD and BB series
• Engine group
• Quantity varies by assembly, most commonly 12

🔌 Function

Sits between the valve spring and the head or the retainer, giving the spring a flat, hardened seat so it cannot bite into the softer surface.

⚠️ Common Signs of Failure

• Ticking or clatter from the valve gear
• Washer found dished, cupped or worn into a ring
• Spring end embedded into the washer face
• Valve clearances drifting as the seat settles

🛠️ Service Notes

• Any of the five old numbers appearing in an older parts list now supplies this single washer, so one order covers all of them
• Renew in sets across the head, and check the spring ends and retainers for matching wear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 460181 → Supersedes 419644

OEM / Related Numbers

• 419644 earlier number superseded by this part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 TMD40A, TMD40B, TMD40C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta AQAD40B, AQAD40A
• Volvo Penta TAMD40A, TAMD40B
• Volvo Penta AQ165A
• Volvo Penta AQAD30A
• Volvo Penta AQD40A
• Volvo Penta BB165A
• Volvo Penta MB10A
• Volvo Penta MD30A
• Volvo Penta MD40A
• Volvo Penta TAMD30A
• Volvo Penta TD30A
• Volvo Penta TD40A
• Volvo Penta TMD30A