Bumper Air Flow Deflector For 2018-2024 Freightliner Cascadia
Product Overview
Enhance your 2018-2024 Freightliner Cascadia’s aerodynamic performance with this original-style Bumper Air Flow Deflector. Designed to match the factory specifications, this black bottom deflector improves airflow around the bumper area, contributing to better fuel efficiency and a cleaner overall appearance. Built with pre-assembled mounting clips for quick and easy installation, this deflector is available individually for the center, driver, or passenger side. Whether you’re replacing damaged parts or upgrading for improved performance, this air deflector is a practical and cost-effective solution.
Key Features & Benefits
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OE-Style Construction: Designed to match the original factory appearance and performance for 2018–2024 Freightliner Cascadia trucks.
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Aerodynamic Improvement: Helps manage airflow around the bumper area, promoting better fuel efficiency and smoother vehicle handling.
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Pre-Assembled Mounting Clips: Features pre-installed clips for easy, hassle-free installation.
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Flexible Fitment Options: Available for center, driver, or passenger side — sold individually for specific replacement needs.
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OEM Replacement Part Numbers:
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21-28988-000 (Driver side)
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21-28988-001 (Passenger side)
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21-28991-000 (Center)
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Durable Black Finish: Manufactured from high-quality materials with a tough black finish to resist wear and weather conditions.
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Warranty Coverage: Includes a 6-month warranty for added confidence and reliability.
Expanded Benefit Section
The Bumper Air Flow Deflector is an essential component for maintaining the aerodynamic integrity of your Freightliner Cascadia. By optimizing the airflow around the bumper, it helps reduce drag, potentially boosting fuel efficiency and improving stability at highway speeds. The original black finish offers a clean, professional look, while the pre-assembled mounting clips make replacement quick and straightforward. Whether you need to replace a worn-out deflector or upgrade an existing setup, this part provides OEM-quality performance and style without the high dealership costs.
Vehicle Compatibility
This air flow deflector is designed for 2018-2024 Freightliner Cascadia trucks with the new generation body style.
Technical Specifications
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Material: High-strength, OE-grade plastic
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Finish: Black
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Installation: Direct bolt-on with pre-assembled mounting clips
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Placement Options: Center, Driver side, or Passenger side (sold individually)
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OEM Replacement Numbers:
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21-28988-000 (Driver side)
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21-28988-001 (Passenger side)
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21-28991-000 (Center)
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Compatibility: 2018-2024 Freightliner Cascadia
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Warranty: 6 Months
What’s Included
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1x Bumper Air Flow Deflector (Center, Driver, or Passenger Side — must specify)
Warranty
6-Month Warranty covering defects in materials and workmanship.
Boost Your Cascadia’s Aerodynamics and Appearance
Equip your 2018-2024 Freightliner Cascadia with this OEM-style Bumper Air Flow Deflector for enhanced performance and a clean, finished look. Fast, easy installation and lasting durability — order today to keep your truck looking and performing its best!


















