950373 Lock Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta lock nut weighing 0.006 kg and listed for 104 applications across the MD, TMD, D, TD, AQD and TAMD series. It supersedes 190531, which older listings carried only as a spare part.

🚤 Compatibility

• Engine Family: MD, TMD, D, TD, AQD, TAMD, AQ, TID, THAMD, TAD

Full model list at the end of this description.

⚙️ Key Features

• 0.006 kg
• 104 applications across six engine series
• Supersedes 190531

🔌 Function

Threads onto a stud or bolt and resists backing off under vibration, holding the joint's clamping load.

⚠️ Common Signs of Failure

• Nut spins on freely with no drag at all
• Fastener found loose or backed off in service
• Thread damaged, stretched or picked up
• Locking section flattened or polished by earlier reuse

🛠️ Service Notes

• A lock nut is single-use; fit a new one every time the joint is disturbed

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 950373 → Supersedes 190531

OEM / Related Numbers

• 190531 earlier number superseded by this part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 TD70CHC, TD70CRC, TD70G, TD70B, TD70G-83, TD70GG, TD70GG-83, TD70GPP, TD70GPP-83
• Volvo Penta TD61A, TD61ACE, TD61AG, TD61AGP, TD61AP, TD61APB, TD61AW
• Volvo Penta TD71A, TD71ACE, TD71AG, TD71AGP, TD71AP, TD71APB, TD71AW
• Volvo Penta TD60D-83, TD60A, TD60B, TD60D, TD60G, TD60DG-83
• Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
• Volvo Penta D70CHC, D70CRC, D70B, D70B K, D70B PP
• Volvo Penta TID71A, TID71AG, TID71AGP, TID71AP, TID71APB
• Volvo Penta 500A, 430A, 430B, 500B
• Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
• Volvo Penta TD120AHC, TD120ARC, TD120BHC, TD120BRC
• Volvo Penta MD100A, MD100B, MD100B-CC
• Volvo Penta MD70B, MD70BK, MD70C
• Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122D
• Volvo Penta TID70G, TID70GG, TID70GPP
• Volvo Penta AQ200D, AQ200F
• Volvo Penta TAMD120A, TAMD120B
• Volvo Penta TAMD71B, TAMD71A
• Volvo Penta TD100CHC, TD100CRC
• Volvo Penta TD121CHC, TD121CRC
• Volvo Penta THAMD70C, THAMD70B
• Volvo Penta TID60DG, TID60D
• Volvo Penta TID61AG, TID61AGP
• Volvo Penta TMD100A, TMD100C
• Volvo Penta TMD120A, TMD120B
• Volvo Penta TMD70C, TMD70B
• Volvo Penta AQ175A
• Volvo Penta AQ211A
• Volvo Penta D42A
• Volvo Penta MD120A
• Volvo Penta TAD121CHC
• Volvo Penta TAMD102D
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TAMD61A
• Volvo Penta TMD121C
• Volvo Penta TMD122A