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  • We offer free shipping to U.S. addresses. Our standard shipping time within the U.S. is 2-5 business days. For international orders, expect a shipping time of 7-10 business days, extra 10usd and 20usd shipping fee will be added depend on different countries. The exact delivery time will depend on the customs process in the destination country
  • Once your order has been placed and processed, you will receive a confirmation email with your order details. Once your order has shipped, you could check the left corner bottom button of the home page (order Tracker) to trace your order.
    Tracking information may not be immediately available after your order is placed. It can take up to 12 hours for the number to become active in our system. If you don't see any updates right away, please be patient and check back later.
  • Contact our customer service team admin@osiaspart.com. Please include your order number and the reason for cancellation in your message.
    Orders can only be canceled before they have been shipped. If your order has already been shipped, please refer to our return policy for further instructions.
    Please be advised that we are closed on Sundays. Kindly send us an email at admin@osiaspart.com with your order number and the reason for cancellation. We will respond to you on the following Monday. Thank you!
  • Should you receive a product with a missing part, please notify us with your order number and a description and photo of what you received. We will promptly send out the missing item to you to rectify the issue. We apologize for any inconvenience caused and strive to fix the error as soon as possible.
  • Sometimes, customers need to request a warranty, please contact our customer service team to troubleshoot and diagnose the issue. Once we determine the cause of the failure, we will proceed with your warranty claim. This process will require you to provide information about the vehicle and the product installation. Please note, in some cases, customers will be responsible for the shipping cost of their warranty replacement.
  • We have a YouTube playlist with an assortment of customer installations and we have published a general installation guide on our blog site.
    Due to the diversity of products we offer, we are unfortunately unable to provide specific installation instructions for all products. Please refer to your vehicle manual for fuel pump installation and replacement information. Also, you could find answer in Youtube.