ModelFor Sthil Ms290 Ms310 Ms390 Replace For:4001300 4007000 Package Include:1 * High Pressure Pack ( 4001300 ) , 1 * Spark Plug Ngk Bpmr7A ( 4007000 ) Note: 1. Please compare appearance, shape and size with your original unit before purchase, make sure it will fit you very well. About Feedback Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problem and provide you with the best customer services. We will give you a positive feedback after receiving the payment. If you are unsatisfied with your items, please contact our Customer Service. Returns and Refunds 1. If there are any problems with our products, you can request returning or refunding within 7days after recelving items, but please contac with ourcustomer service firstly before returning or opening dispute. we will try our best to elp you, Thanks very much! 2. All tbe items must be returned in their original condition, or we will refuse to make refund. 3. The buyer is responsible for all charges occurred in returaing process. Shipping Detail 1. We'll ship it out within in 1 to 3 business days after payment verified . 2. Please make sure your recipient information is all correct and detailed enough. Please leave us your full name. Contact If you have questions or problems please leave messages, we will reply you as soon as possibile !