ARB BASE Rack Mount Kit w/ Wind Deflector – Ford Bronco 4-Door

2021–2026 Ford Bronco 4-Door | BASE Rack Mount System | Wind Deflector Included | SKU: 17980010

Build a solid roof rack foundation with the ARB BASE Rack Mount Kit w/ Wind Deflector (17980010). Designed specifically for the 2021–2026 Ford Bronco 4-Door, this system provides the necessary mounting platform for ARB’s BASE Rack system while maintaining a low-profile, aerodynamic fit.

This kit uses OE hardtop and roll bar mounting points to position the rack as close to the vehicle as possible, improving stability and reducing overall height. 

The included integrated wind deflector helps reduce wind noise and drag, making it ideal for both daily driving and long overland trips.

Key Features

• Direct fit for 2021–2026 Ford Bronco 4-Door
• SKU: 17980010
• Vehicle-specific BASE Rack mounting system
• Includes integrated wind deflector
• Designed for ARB BASE Rack (61” x 51” – PN 1770020)
• OE hardtop and roll bar mounting design
• Low-profile fit keeps rack close to vehicle
• Improves aerodynamics and reduces wind noise
• Heavy-duty aluminum construction
• Textured black powder-coated finish
• Built for off-road and overland use

⚠️ Fitment Note (IMPORTANT)

❗ Fits 2021–2026 Ford Bronco 4-Door ONLY
❗ Requires factory hardtop
❗ Designed for use with ARB BASE Rack systems (61” x 51”)
❗ Installation requires drilling into hardtop
❗ Will NOT fit 2-Door models
❗ Will NOT fit Bronco Sport

Low-Profile Mounting Design

• Keeps rack close to roofline
• Improves vehicle stability and clearance
• Reduces overall height compared to traditional racks

👉 Clean, tight fitment

Integrated Wind Deflector

• Reduces wind noise at highway speeds
• Improves airflow over the rack
• Enhances daily driving comfort

👉 Quieter ride with gear on top

Built for Overland & Off-Road Use

• Strong aluminum construction
• Designed to handle heavy loads and gear
• Perfect for rooftop tents, cargo, and accessories

👉 Ready for adventure

BASE Rack Compatibility

• Works with ARB BASE Rack 61” x 51” system
• Supports full ARB accessory ecosystem
• Flexible mounting options with dovetail system

👉 Build your complete rack system

What’s Included

• BASE Rack mounting brackets
• Integrated wind deflector
• Mounting hardware
• Installation instructions

Specifications

• Material: Aluminum
• Finish: Textured Black Powder Coat
• Mount Type: Hardtop & Roll Bar Mounted
• Compatibility: ARB BASE Rack 61” x 51”
• Installation: Bolt-on (drilling required)

Installation

Mounts to factory hardtop and roll bar locations
Requires drilling into hardtop
Includes all mounting hardware
Typical install time: ~2–4 hours

Popular Vehicle Applications

👉 2021–2026 Ford Bronco 4-Door (Hardtop ONLY)

Perfect for Bronco owners building a full roof rack system for overlanding, cargo hauling, or adventure setups.

👉 The foundation of a complete ARB BASE Rack system

Why Buy from Iron Ridge Offroad

✔ Fast Shipping
✔ Authorized ARB Dealer
✔ Fast Processing
✔ Off-Road Experts You Can Trust

Start your roof rack build with the ARB BASE Rack Mount Kit (17980010) engineered for strength, low-profile fitment, and serious off-road capability.