422427 Lock Washer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta early type lock washer from the Engine group, weighing 0.112 kg and listed for 36 applications across the AQ, TD, BB, TID, D and B series.

🚤 Compatibility

• Engine Family: AQ, TD, BB, TID, D, B, MD, MB, AQD

Full model list at the end of this description.

⚙️ Key Features

• Early type
• 0.112 kg
• 36 applications across the AQ, TD, BB, TID, D and B series
• A heavy lock washer rather than a thin tab washer

🔌 Function

Locks its fastener against turning back, holding the joint tight under vibration.

⚠️ Common Signs of Failure

• Fastener found slack or backed off in service
• Tab cracked or broken where it was bent over
• Washer already bent twice and work-hardened
• Fretting or a bright witness ring around the fastener

🛠️ Service Notes

• This is specifically the early type, so establish which version the assembly carries before ordering
• Treat it as single use — bend a fresh washer rather than reusing an old tab

📦 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 TID100KG, TID100K, TID100K-87, TID100KP
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta TD100G-85, TD100A, TD100G
• Volvo Penta AQ115A, AQ115B
• Volvo Penta D100A, D100B
• Volvo Penta 100S, 110S
• Volvo Penta AQ165A
• Volvo Penta AQD21A
• Volvo Penta B20
• Volvo Penta BB165A
• Volvo Penta D120A
• Volvo Penta MD21A
• Volvo Penta TD120A