3830008 Starter Pinion | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta starter pinion for the ST400CO1R77 starter, from the Starting System group, weighing 0.14 kg and listed for a single TAMD series application.

🚤 Compatibility

Typically suits:

• Volvo Penta TAMD74A

• Engine Family: TAMD

⚙️ Key Features

• For the ST400CO1R77 starter
• 0.14 kg
• Single TAMD series application
• Lightest of the three starter pinions listed here

🔌 Function

Meshes with the flywheel ring gear on cranking to pass starter torque into the engine, then releases once the engine runs.

⚠️ Common Signs of Failure

• Starter spinning without cranking the engine
• Grinding as the pinion tries to mesh
• Chipped, hooked or pointed teeth on inspection
• Pinion sticking out or not fully retracting
• Fresh damage appearing on the ring gear teeth

🛠️ Service Notes

• The ST400CO1R77 designation is the ordering detail — pinions 3830007 at 0.277 kg and 3830009 at 0.197 kg suit other starters, so check the starter's own marking before ordering
• Inspect the ring gear whenever a pinion has failed
• Renew the drive seal and return spring while the starter is apart

📦 Condition

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