# MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic

Refresh a compatible pet door with a weather-resistant MOLYLY replacement set, including an insulated flap and magnetic closure.

- [Original product page](https://www.ofertitastop.com/us/product/molyly-flap-large-dog-door-replacement)
- [View offer](https://www.ofertitastop.com/us/visit/molyly-flap-large-dog-door-replacement)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-27T00:18:25.445Z
- Brand: MOLYLY
- Model: 1
- MPN: 1
- SKU: ofertitastop-us-161592
- Category: Animals & Pet Supplies > Pet Supplies > Pet Door Accessories
- Source store: amazon US
- Active deal: Yes
- Price: 38.75 USD
- Previous price: 40.79 USD
- Discount: 5%
- Rating: 4.3 / 5
- Reviews: 1082

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

When the pet door frame is staying in place, replacing its flap keeps the project focused on the entry panel. The MOLYLY set is designed for large PetSafe Freedom dog doors. It includes flexible, weather-resistant flaps, an insulated flap, and screws.

## Where it shines

This replacement set is made for PetSafe Freedom pet doors compatible with PAC11-11039. Its listed flap size is 10 1/8" x 16 7/8", giving you a specific reference when matching a replacement to your existing door. The flexible material is described as weather-resistant, and the insulated flap adds a layer intended to help maintain indoor comfort in changing weather.

A magnetic strip along the bottom helps the flap close after a pet passes through. That closure is designed to limit outside weather and insects from coming through the opening. For a household replacing a worn or damaged panel while keeping the existing pet-door setup, this is a focused alternative to replacing the full door assembly.

## What to know

The package is described as containing two durable replacement flaps, one extreme-weather insulated flap, and screws. Installation uses a screwdriver, and the product information describes the process as taking minutes. Before ordering, compare the screw-hole pattern on your existing door with the replacement so the flap can be fitted to the frame.

Buyers commonly praise the ease of installation and the usefulness of the flap as a replacement. Feedback on fit, durability, and sealing is mixed: some report issues with sizing, screw dimensions, deformation over time, or magnets staying in place. Matching the listed size and checking the screw holes against your door are practical steps when selecting this replacement.

## Tips for day-to-day use

Start by confirming that the replacement’s screw holes line up with the existing pet door. Use a screwdriver to secure the flap, then check that it can swing freely and that the magnetic strip meets the lower edge when it closes. This gives you a straightforward way to assess the fit and closure as part of installation, before your pet starts using the opening.

The flap is intended for a compatible PetSafe Freedom door, rather than serving as a complete pet-door unit. If you are choosing between replacing just the flap and changing the entire entry system, this set is suited to keeping the existing compatible frame in place and updating its flexible panel.

## Should you buy it?

Choose the MOLYLY replacement set when you need a large flap for a compatible PetSafe Freedom pet door and want the option of an insulated panel in the package. Its weather-resistant materials, bottom magnetic strip, and screwdriver installation are practical features for refreshing a frequently used pet entrance. The listed PAC11-11039 compatibility and 10 1/8" x 16 7/8" size help guide the match, while checking the screw-hole layout keeps the replacement decision focused on your existing door.

## Images

![MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic — 1](https://www.ofertitastop.com/i/AVQg-tbQh5PXgcPnbi67OCYCZOQvBBz5nPIGO0Sql3c8P8whQuqN876LHcuah7ZVhCnX0gRavlGRd5IMgzflkZS5Dk8yOrKumlVkyYiMpd9xVgT0q2xlyc1uRw.jpg)

![MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic — 2](https://www.ofertitastop.com/i/5_hn0Dnx5onvj4m6lF5S0W2xfz6Jdl8-8lgtGEBLGzApMI7cwfc0ztT3RZrFskpxHt1UqvZwgmn8d48CJv4PAjJaL0iyPzNvEcpyDU4BsTXRnHEYnNfVHDEeuw.jpg)

![MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic — 3](https://www.ofertitastop.com/i/bTs6PpBdeS0WlrnGxbByc3VGjBMaUVEaTqa0jujkyArUHVTlNc0ruMsG9BytzLTouXU7jUr_XhoSUkaZmJnJ_wTD2e-ApHqP79IbUdSgcEZBzKeRANrMtu4KxA.jpg)

![MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic — 4](https://www.ofertitastop.com/i/2UQI8K3rNl8-QG7VZb8z8T_dUSy5EYR298uPPqfpraXQNlXrtjeXuIO7A007h1cOIzKYhqhJO3OA80P84lojr_uZuuY8kRhKZSaPmgiknIqlgVJ7j7OSRFBzeA.jpg)

![MOLYLY 3-Flap Large Dog Door Replacement Flap, Insulated and Magnetic — 5](https://www.ofertitastop.com/i/zBch8E8dWgCHlCqmsmMnhbwJTm0Z9LfkhLiPhKEuATcVbBfXvSjUX2qrtPE6yEsjBixJTHbPIsrDptY5p_0tG2kqEB_ecQjaGplz9uYzu8pN90RY4_PDPC3PSg.jpg)