Parts Head over to replacement flaps if you are trying to replace a flap on a Plexidor, PetSafe, Instafit, Pet-Eze, Johnson, Catmate, Dogmate, or Staywell door. Below you can find things like keys, tunnel extensions, glass adapter kits, and ID tags. Please call customer service at 800-749-9609 if you have any questions about our replacement parts. Customer service is open Monday through Friday 10-4. You may also email support@dogdoors.com. Show FiltersBrandPlexiDorsPetmatePetsafeColorBronzeWhiteInstallation LocationWallThrough GlassSliding GlassQualityBestGoodSizeSmall-CatMedium-40lbsLarge-100lbsXLarge-220lbs13 results foundSort: RelevanceSort: Price(low to high)Sort: Price(high to low)Deluxe Cat Flap Tunnel Extension$11.00Plexidor Cat Door and Dog Door Replacement Weatherseal KitsSizes: 4$7.00 - $13.00PlexiDor Electronic Power Supply$29.50Electronic ID Disc$19.95Plexidor Lock Assembly Kit$16.00Plexidor Pet Door Keys$5.00Plexidor Pet Door SpringsSizes: 4$17.00 - $37.00Cat Flap Adapter Kit for Walls and Glass Panels$24.95Dog Collar Magnets$9.99Pet Mate Wall Liner$9.95Awning for PlexiDor wall or door dog door unitsColors: Sizes: 4$91.00 - $102.00Plexidor Security CoverColors: Sizes: 3$40.00 - $99.00Elite Wall Liner$19.991