4Pcs Roof Box U-Bolt Clamps Cargo Carrier Roof Rack Bracket Van Mounting Black

Product Overview

This aftermarket replacement set of four roof box U-bolt clamps is intended for securing roof boxes, cargo carriers, and similar accessories to roof rack crossbars on vans and other vehicles. A U-bolt clamp set of this type provides a bolted attachment point that holds an accessory bracket against a rack bar to keep the mounted item in position during travel. The set is supplied in black and includes four clamp assemblies for installations that require multiple mounting points.

Key Features & Performance

• U-bolt clamps of this type are used to fasten accessory brackets and mounting plates to roof rack crossbars.
• The bolted U-bolt design draws the bracket down against the bar to create a mechanical attachment between the rack and the accessory.
• Four clamps are included so a roof box or cargo carrier can be secured at multiple points across the rack.
• The black finish is supplied as part of the clamp set for a consistent look with common roof rack hardware.

Fitment & Compatibility

• for roof box, cargo carrier, and roof rack bracket mounting applications
• for van roof rack mounting applications

Common Uses

• Securing a roof box or cargo carrier to roof rack crossbars.
• Mounting brackets and accessory plates to a van or vehicle roof rack.
• Replacing clamps that are missing, stripped, bent, or corroded on an existing rack installation.

Technical Specifications

• Product Type: Roof Box U-Bolt Clamp Set
• General Application: Roof box, cargo carrier, and roof rack bracket mounting
• Vehicle Application: Van roof rack mounting
• Quantity: 4 clamps
• Color: Black

Frequently Asked Questions

Q: What does a roof box U-bolt clamp do? A: It wraps around a roof rack crossbar and, when tightened, clamps an accessory bracket or mounting plate against the bar to hold a roof box or cargo carrier in place.

Q: How do I verify this clamp set will fit my rack? A: Compare the crossbar dimensions and bracket hole spacing on your existing roof rack with the clamp size and thread diameter you need, and confirm the mounting points on your roof box or carrier match the four clamps supplied.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.