This is the replacement motor assembly for Dometic Midi Heki electric roof vents. If your vent won't open or close, or the motor has stopped working entirely, this OEM motor is the direct replacement you need to restore full functionality to your RV's ventilation system.
Key Features
- Genuine OEM Dometic replacement motor for Midi Heki roof vents
- Direct fit replacement — no modifications required
- Restores electric open/close operation
- Durable motor assembly built for RV duty cycles
- Compatible with 12V electrical systems
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 4460000647 |
| Voltage | 12V DC |
| Application | Dometic Midi Heki Electric Roof Vent |
| Type | OEM Motor Assembly |
Frequently Asked Questions
Q: How do I know if my Midi Heki motor has failed?
A: Common signs include the vent not responding to the wall switch, making grinding noises when you try to operate it, or moving very slowly. If the vent is stuck in one position and won't move at all, the motor is likely the culprit.
Q: Is this a difficult installation?
A: Motor replacement requires removing the interior trim ring and unbolting the old motor from the vent housing. Most RV owners can handle this with basic tools, though some prefer professional installation. Disconnect the 12V power before starting.
Q: Will this motor work with my older Midi Heki vent?
A: This is a genuine OEM Dometic part designed for Midi Heki vents. If you're unsure about your specific model year, contact our team with your RV's year and floor plan, and we'll confirm compatibility.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana — the RV capital of the world. This is a genuine OEM motor assembly backed by our expert support team. When you need your roof vent working again, we have the exact part in stock.
| Product_name | Dometic Motor for Midi Heki Electric Roof Vent |
|---|---|
| Manufacturer | Dometic |
| Part_number | 4460000647 |
| Product_type | Replacement Motor |
| Compatible_models | 4450 (Midi Heki)4451 (Midi Heki Plus) |
| Function | Powers automatic opening and closing mechanism for electric roof vents |
| Oem_part | true |
| Product_condition | New |
| Category | Service Parts |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.