Gear ring Price: $126.43
| Brand | Assembly | Path | Ref |
|---|---|---|---|
| VOL | Crank Mechanism | Volvo Penta / Marine Diesel Engines / MD2040-C / 21 Engine / Crank Mechanism | 32 |
| VOL | Crank Mechanism | Volvo Penta / Marine Diesel Engines / MD2040A / 21 Engine / Crank Mechanism | 31A |
| VOL | Crank Mechanism | Volvo Penta / Marine Diesel Engines / MD2040B / 21 Engine / Crank Mechanism | 31A |