Hi Mike, I'm glad to assist you. No, it is incompatible (it fits fleetside beds only). Upon checking, we do not carry a direct-fit truck bed repair panel for your 1998 Ford F-150 Flareside bed.

Hi Birk, thank you for reaching out. No, this does not. If your vehicle information matches this part, you can use this link to continue ordering this item at a discounted price today: https://www.carparts.com/truck-bed-repair-panel/key-parts/fit1984134r?can=CPAP3648_CSQA_20240602 I hope this helps. Enjoy shopping.

Hi Brian, thank you for reaching out. The part number is 1984-133 L. You can click the link below to easily access the part. Have a great day! https://www.carparts.com/truck-bed-repair-panel/key-parts/fit1984133l?can=cpab2020_csqa_20230719

Hi Gene, The dimensions are 35x14x5. This is the rear lower bed section for long and short bed trucks, passenger's side. We only guarantee fitment based on our application guide. For accuracy of fitment, please follow the guidelines below: To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all categories, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.