8170423 Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta gear weighing 0.649 kg and listed for 25 applications across D, TWD and TAD series engines, superseding part number 1547475. It is catalogued in the Steering group despite the engine family list, so confirm the assembly it belongs to before ordering.

🚤 Compatibility

• Engine Family: D, TWD, TAD

Full model list at the end of this description.

⚙️ Key Features

• 0.649 kg
• 25 applications across D, TWD and TAD series engines
• Supersedes 1547475
• Catalogued in the Steering group

🔌 Function

Meshes with its mating gear to transmit drive at a fixed ratio.

⚠️ Common Signs of Failure

• Whine or growl that follows the driven speed
• Backlash felt when the gear is rocked in mesh
• Pitted, chipped or scuffed tooth flanks
• Wear concentrated on one edge of the teeth from misalignment

🛠️ Service Notes

• Check the group placement against your own assembly, as the group and the engine list do not sit naturally together
• Renew the mating gear if its teeth show matching wear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 8170423 → Supersedes 1547475

OEM / Related Numbers

• 1547475 earlier number superseded by this part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 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 MH, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP
• Volvo Penta TAD1241GE, TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1242GE, TAD1242VE
• Volvo Penta TAD1250VE, TAD1250-52VE
• Volvo Penta TAD1240GE
• Volvo Penta TAD1251VE
• Volvo Penta TAD1252VE
• Volvo Penta TWD1240VE