Predator 3500 Watt Inverter Generator Vented Oil Fill Cover Replaced By Yuxuan Some early model generators were so well sealed that the engine could not get enough air.This would cause a surging condition so the fix was to remove the oil fill cover. This new cover, will allow you to have a cover to keep large debris out of the This door is meant to fit snugly, forcing it in could cause the tabs to break Product Features INCLUDES: Oil cushion cover door, basic washable filter, no hardware; Printed on PETG plastic, this new pillowcase allows you to have a cover to protect large pieces. Some early model generators were sealed so well that the engine couldn't get enough air. e Some early model generators are well sealed and the engine cannot reach enough ai engine area, while still providing adequate air circulation. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!