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Product Description Right Roof Spoiler Side Fin (Rocket-Type) | Part No. 3981731:
The right-side roof air deflector (Part No. 3981731) is an aerodynamic fin mounted on the right edge of the truck cabin roof. It works in conjunction with the left deflector and central roof deflector to optimize airflow, reduce wind drag, and improve fuel efficiency. Built from UV- and impact-resistant plastic, this component is ideal for long-haul and high-speed driving conditions.
Application: Streamlines airflow over the right side of the roof to reduce aerodynamic drag.
Material: High-quality ABS or polypropylene, UV- and impact-resistant.
Compatible With: Volvo FH12, FH13, FM9, FM12, FMX and similar models with roof deflectors.
Key Features Right Roof Spoiler Side Fin (Rocket-Type) | Part No. 3981731:
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Right-side aerodynamic L-shaped fin
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Improves fuel economy and vehicle stability
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Weather- and impact-resistant build
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Simple installation with standard brackets
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