This genuine Dometic replacement fan blade is designed for SP, FJX3, and FJX4 series RV roof vents and ventilation systems. If your vent fan is running slowly, making noise, or the blades are cracked or warped, this OEM blade will restore proper airflow and cooling performance to your RV.

Key Features

• Genuine OEM Dometic part ensures perfect fit and performance
• Compatible with SP, FJX3, and FJX4 series roof vents
• Direct replacement blade—no modifications required
• Restores full ventilation and cooling efficiency
• Durable construction designed for RV roof environments
• Easy installation for DIY RV owners

Technical Specifications

Frequently Asked Questions

How do I know if my fan blade needs replacement?

Replace the blade if you notice reduced airflow, unusual noise during operation, visible cracks or warping, or if the blade is discolored or brittle from sun exposure.

Will this blade fit my Dometic roof vent?

This blade is designed specifically for Dometic SP, FJX3, and FJX4 series vents. Verify your vent model before ordering to ensure compatibility.

Is installation difficult?

Most RV owners can replace the blade in 15–20 minutes. You'll typically need to remove the vent cover and unscrew the old blade, then install the new one. Consult your vent manual for specific steps.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM, backed by expert support to help you get the right component for your specific RV model.