Replacement Door Flap for TBCPET Large Dog Door

The important info up front

Your dog door flap has seen better days — wind's sneaking in, your pup's giving you that look, and the old flap is basically a draft machine now. This replacement flap is the fix you need, designed specifically for the TBCPET Pet Door Size L.

Product Description

This is a direct replacement flap made specifically for the TBCPET Pet Door, Large size. If you've got a different brand of dog door, this one won't be your match — compatibility matters here, so double-check your door brand and dimensions before ordering. The flap measures 17.3" wide and comes with the screws you'll need to get it installed without a hardware store run. It's a simple swap that gets your pet door back to doing its job: letting your dog come and go while keeping the elements where they belong — outside.

Interesting Points

Designed for a Perfect Fit

This flap is engineered specifically for the TBCPET Pet Door Large size, so you get a snug, secure fit without any guesswork or makeshift modifications.

Screws Included

No scrambling through the junk drawer — mounting hardware is included so you can get straight to the install.

Restore Your Door's Function Fast

A worn or damaged flap means drafts, pests, and one unhappy household. Swapping in a fresh flap is one of the easiest home pet upgrades you can make.

Product Specifications

• Size: Large
• Flap width: 17.3" (43.9 cm)
• Compatible with: TBCPET Pet Door, Size L only
• Includes: Replacement flap and mounting screws

Usage Notes

• This flap is only compatible with TBCPET brand pet doors, Size L — verify your door brand and size before purchasing
• Check dimensions carefully to confirm compatibility prior to installation

Package Inclusion

• 1 x Replacement door flap (Large, 17.3")
• Mounting screws

Don't let a worn flap turn your pet door into a wind tunnel. This TBCPET-compatible replacement restores the seal, the function, and your peace of mind — all with the hardware already in the box.

Shipping and Returns

• Listed Shipping: 2–4 days.
• Returns: Returns policy.