A556-000481 Echo CS-420ES Replacement Drive Sprocket. Replaces A556-000480.
Fits Echo chainsaws 451S, CS-370ES, CS-4010, CS-420EMS, CS-420ES, CS-4510ES, CS-4920.
The needle bearing can be found here.
Orders for United States of America must be a minimum of $180.
For all UK orders from Monday 25th Sept there will be no longer be a minimum order but a flat rate of £4.95+vat will be charged to all orders.