The Dometic SVC V4 vent door with .875 dual flow design is the replacement ventilation component for Dometic roof vents found on many RV models. If your RV's roof vent door is cracked, warped, or no longer seals properly, this genuine OEM part restores proper airflow and weather protection to your interior living space.
- .875 inch dual flow opening for balanced air circulation
- Genuine OEM Dometic component for perfect fit and function
- Compatible with SVC V4 series ventilation systems
- Durable construction withstands UV exposure and temperature extremes
- Easy installation—direct replacement for existing vent door
- Helps prevent interior condensation and moisture buildup
| Specification | Details |
|---|---|
| Part Number | 30143 |
| Vent Series | Dometic SVC V4 |
| Flow Opening | .875 inch dual flow |
| Type | Replacement vent door |
| Material | Durable polymer composite |
| Installation | Roof-mounted ventilation system |
Frequently Asked Questions
Q: Will this vent door fit my RV?
A: This part is designed for Dometic SVC V4 series roof vents. Check your existing vent housing or your RV's documentation to confirm compatibility. Contact our expert support team if you're unsure.
Q: How do I know if I need to replace my vent door?
A: Replace the door if it's cracked, warped, won't seal shut, or if you notice increased condensation inside your RV. A damaged door compromises ventilation and weather protection.
Q: Is this a genuine Dometic part?
A: Yes, this is an authentic OEM Dometic component, not an aftermarket substitute. Genuine parts ensure proper fit, durability, and warranty protection.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM equipment backed by expert support. If you have questions about fitment or installation, our team is here to help.
| Brand | Dometic |
|---|---|
| Product_type | Vent Door Assembly |
| Model | SVC V4 |
| Part_number | 30143 |
| Flow_design | Dual Flow |
| Flow_size | 0.875 |
| Dimensions_length | 10" |
| Dimensions_width | 5" |
| Dimensions_height | 5" |
| Includes_gasket | true |
| Oem_part | true |
| Part_category | Service Part |
| Compatibility | Dometic V4 vent assemblies |
| Function | Ventilation |
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 Genuine, name-brand components made to order — never generic, never outdated.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.