821090 Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta gear from the Engine group, weighing 1.23 kg and listed for 24 applications across the MD, TMD and TAMD series.

🚤 Compatibility

• Engine Family: MD, TMD, TAMD

Full model list at the end of this description.

⚙️ Key Features

• Engine group gear
• 1.23 kg
• 24 applications across the MD, TMD and TAMD series

🔌 Function

Transmits drive between shafts, its teeth setting the speed and direction of the driven component.

⚠️ Common Signs of Failure

• Whine or growl that tracks engine speed
• Teeth chipped, pitted or broken
• Polished wear band along one tooth flank
• Metallic debris in the oil
• Excessive backlash when the gear is rocked

🛠️ Service Notes

• Spacer 821091 carries the same 24 applications on the same three engine series and is the companion piece, so check whether it needs renewing at the same time
• Inspect the meshing gear before fitting a new one, as worn teeth on one side soon damage the other

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAMD122A, TAMD122A/C, TAMD122AF, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta MD100A, MD100B, MD100B-CC
• Volvo Penta TAMD102A, TAMD102D
• Volvo Penta TAMD120A, TAMD120B
• Volvo Penta TMD100A, TMD100C
• Volvo Penta TMD120A, TMD120B
• Volvo Penta MD120A
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A