SKU: 774-T14MD3RL | UPC: 887753490469
Seibon 2017-2020 Tesla Model 3 Carbon Fiber Rear Diffuser
The Seibon Carbon Fiber Rear Diffuser bolts onto 2017-2020 Tesla Model 3 sedans as a direct replacement for the factory unit. It channels airflow to create downforce that enhances high-speed stability and traction. Made from premium pre-preg carbon fiber this part cuts weight while delivering sharp aggressive rear styling.
Key Features
- Autoclave Pre-Preg Carbon Fiber: High-pressure cured for exceptional strength and minimal weight versus OEM plastic
- Aerodynamic Rear Design: Directs air under the vehicle to generate downforce and reduce drag at speed
- Glossy UV-Protected Finish: Clear coat resists fading and yellowing for long-lasting showroom appeal
- Direct Bolt-On Fitment: Matches factory mounting points on Tesla Model 3 for easy replacement
- Precision Engineered: Vacuum-infused construction ensures flat surfaces and no air bubbles
Product Notes
- Remove factory diffuser and clean mounting surfaces before install
- Wash by hand with mild soap and soft cloth to preserve finish
- Oversized item requires LTL freight shipping
Installation Notes
- Professional installation recommended.
- Reuse OEM mounting hardware and clips
- Double-sided tape may be needed at edges for secure seal
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017 | Tesla | Model 3 | All |
| 2018 | Tesla | Model 3 | All |
| 2019 | Tesla | Model 3 | All |
| 2020 | Tesla | Model 3 | All |
Why Choose Seibon?
- Established leader in carbon fiber auto parts since 2003
- Every part undergoes rigorous air-pressure testing
- Engineered in USA for exact OEM replacement with aero gains
Frequently Asked Questions
- Q: Does it fit 2021 or newer Tesla Model 3 models?
A: No this diffuser fits only pre-refresh 2017-2020 Model 3 sedans due to bumper changes - Q: What carbon fiber type and finish is used?
A: 100% OEM-grade pre-preg carbon fiber with glossy clear coat and UV protection - Q: What warranty coverage is provided?
A: One-year manufacturer warranty against manufacturing defects in materials or workmanship
Shipping & Handling
- Method: LTL Freight
- Availability: In stock – ships same or next business day
- Packaging: Oversized box 48 x 18 x 10 inches
- Weight: 11 lbs
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