Check the listing for details. Haldex brake chamber # MA15500. Condition: New, Made in United States. Listed at 20.00 USD. This is a rebuilt o-ring kit for your haldex maxibrake 15500 style commonly used on fords f600, 700 and 800 please review pictures to confirm, please review fit man. Seal are for sale and the brake chambers are only use for comparison purposes and they are not included in this listing. I’ve done this particular repair of replacing the seals and they are super easy to do. There is video on YouTube to try that show you the repair. The reason I started selling these seals online is because I couldn’t find anywhere to rebuild them at a reasonable cost. Save yourself hundreds and do the your self. The delivery fee is a way of me saving money for fees from eBay .I’ve provided a link to how to rebuild these hydraulic chambers . https://youtu.be/f-6eiIii7lY?si=27MSeQXI7ZXsS1lh