Package Includes: Ignition Coil For Echo CS4200 CS-4200 3700 Chainsaw 15662660630 1 X Ignition Coil with Wire and Cap ECHO chainsaw CS 3700 CS4200 ZM 4100 018552 compatible Shipping and Handling: Fast n FREE USPS First Class Shipping Items will be shipped out within 24 hours after payment cleared. VIA USPS First Class Mail Return / Refund Return is accepted within 30 days after the buyer's receiving the item. If this item is defective upon receipt, customer has up to 30 days from date of receipt for exchange of a new one. Include your name, address, item, daytime telephone, how you paid, and if you are requesting a refund or exchange. After getting the returned item, we will refund the customer at the item's price (excluding the shipping costs to and from).