Dometic 36129 (superseded 33754) White Exterior Furnace Door Assembly for Atwood 8500-III Furnaces | 8516, 8520, 8525, 8531, 8535 | Special Order

Replace a damaged, rusted, or missing exterior furnace access door with the Dometic 36129 White Exterior Door Assembly (Formerly part 33754). This genuine OEM replacement is designed specifically for some Atwood Excalibur/Hydro Flame 8500-III series furnaces, restoring proper weather protection while providing convenient exterior access for servicing your furnace.

Manufactured by Dometic, this complete exterior door assembly is engineered for a precise OEM fit and helps protect your furnace from road debris, moisture, and the elements while maintaining the original appearance of your RV.

This door is designed for furnaces that use two mounting holes at the top of the door. It is NOT compatible with the later four-corner mounting style found on some other Atwood/Dometic furnace models. Please compare your existing door before ordering.

Special Order Item: Estimated lead time is 1–3 weeks. Special order items are ordered directly from the manufacturer and cannot be canceled or returned once your order has been placed. Confirm fitment prior to ordering. 

Features & Benefits

• Genuine Dometic OEM replacement part
• Complete white exterior furnace door assembly
• Restores proper protection from weather and debris
• Provides convenient exterior access for furnace service
• Direct replacement for damaged or missing original door
• Designed for Atwood Excalibur/Hydro Flame 8500-III furnaces
• OEM fit and finish

Compatible With

Fits the following Atwood 8500-III Series furnace models:

• 8516
• 8520
• 8525
• 8531
• 8535

Common Issues Solved

• Missing exterior furnace door
• Bent or damaged access door
• Rusted or faded furnace door
• Broken hinge or latch assembly
• Restores factory appearance after replacement

What's Included

• (1) Dometic 36129 White Exterior Furnace Door Assembly

Installation

1. Remove the existing exterior door assembly.
2. Inspect the mounting area for damage or corrosion.
3. Install the new OEM door assembly using the existing mounting hardware (or replace hardware if needed).
4. Verify the door opens, closes, and latches securely.

Professional installation is recommended if the surrounding mounting surface has been damaged.

Frequently Asked Questions

Is this a genuine Dometic part?
Yes. This is a genuine OEM Dometic replacement part.

Will this fit my Atwood 8531 furnace?
Yes. It is compatible with the Atwood 8500-III 8531 model, as well as the 8516, 8520, 8525, and 8535 furnaces.

Is this compatible with 8500-IV furnaces?
No. This door is designed specifically for the 8500-III series. The 8500-IV series uses different exterior access doors.

Does mounting hardware come with the door?
Please refer to the product photos and manufacturer's packaging. If replacement hardware is required, it is typically sold separately.