942406 Woodruff Key | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta woodruff key weighing 0.007 kg and listed for 89 applications across MD, TMD, D, TD, AQD and TAMD series engines. It supersedes 821066 and 823974 - the same two old numbers are also replaced by tab washer 942735 in this run, so an order placed against either superseded number is likely to bring both current parts together rather than one or the other.

🚤 Compatibility

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

Full model list at the end of this description.

⚙️ Key Features

• 0.007 kg
• 89 applications across MD, TMD, D, TD, AQD and TAMD engines
• Supersedes 821066 and 823974
• Those two numbers are also replaced by tab washer 942735
• Quantity varies by assembly, most commonly one
• Also supersedes Volvo part numbers 821192, 821194, 821195, 821285, 821287 and 823210

🔌 Function

Locks a pulley, gear or hub to its shaft, carrying the drive torque through the keyway instead of through friction alone.

⚠️ Common Signs of Failure

• Pulley, gear or hub slipping or moving on its shaft
• Timing or belt drive wandering out of position
• Key found sheared, twisted or partly extruded on strip-down
• Keyway in the shaft or hub spread, rounded or hammered wider
• Key a loose rattling fit in a slot it should tap into

🛠️ Service Notes

• Fit a new key whenever the hub has been off - a reused key rarely beds the same way twice
• Check the keyway in both shaft and hub for spread or bruising before blaming the key
• Tab washer 942735 replaces the same two old numbers, so check whether your job needs both

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 942406 → Supersedes 821066

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D12C-A MP, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MP, D12D-F MP, D12D-G MP, D12D-H MP
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122AF, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
• Volvo Penta TAMD162C-C, TAMD162A, TAMD162C, TAMD162C-B
• Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
• Volvo Penta TAMD74C-A, TAMD74C-B, TAMD74L-A, TAMD74L-B
• Volvo Penta MD100A, MD100B, MD100B-CC
• Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
• Volvo Penta TAMD60A, TAMD60B, TAMD60C
• Volvo Penta TAMD72A, TAMD72P-A, TAMD72WJ-A
• Volvo Penta MD70B, MD70C
• Volvo Penta TAMD102A, TAMD102D
• Volvo Penta TAMD120A, TAMD120B
• Volvo Penta TAMD163A-A, TAMD163P-A
• Volvo Penta TAMD165A, TAMD165C
• Volvo Penta TAMD63L-A, TAMD63P-A
• Volvo Penta TAMD71B, TAMD71A
• Volvo Penta TAMD73P-A, TAMD73WJ-A
• Volvo Penta TD100AHC, TD100CHC
• Volvo Penta TD120AHC, TD120BHC
• Volvo Penta THAMD70C, THAMD70B
• Volvo Penta TMD100A, TMD100C
• Volvo Penta TMD120A, TMD120B
• Volvo Penta TMD70C, TMD70B
• Volvo Penta D100BHC
• Volvo Penta D70CHC
• Volvo Penta MD120A
• Volvo Penta TAD121CHC
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TAMD61A
• Volvo Penta TAMD62A
• Volvo Penta TD121CHC
• Volvo Penta TD70CHC
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A