Thule 399 Accessory Load Bar for Extension

Thule 399 Accessory Load Bar for Extension
  • Thule 399 Accessory Load Bar for Extension Alternate Image Thumbnail
Product Code: 100399
Status: Discontinued
"The folks at Rack Attack are true experts in this category."
- Fred Clark, CEO Thule
Related Products:


The Thule 399 Accessory Load Bar is made for use with the Thule Over-the-Cab Extensions to create the ultimate loading platform. The Thule 399 Accessory Load Bar works with the 397/398 Over-the-Cab Extensions, sold separately.


  • This item has been discontinued
  • Tri-slot load bar easily attaches to extension side rails
  • Evenly distribute load on long bed pickups
  • Increase versatility of rack system
  • Easy to assemble
  • Includes on 71 inch anodized aluminum tri-slot load bar with rubber insert
  • Comes with stainless steel and aluminum mounting hardware


Weight: 15lbs

Length (carton): 72"

Width (carton): 6"

Height (carton): 3"

UPC: 091021399174

Manufacturer: Thule

Manufacturer Part Number: 399

Thule Warranty

Thule warranty information.

Thule Warranty

Ask A Tech if This Rack Fits Your Car

This product does not have any reviews yet.

 Add a Review

Your Review


Vehicle Select


Frequently Asked Questions

Below you will find a list of the most frequently asked questions for this product. If you need more assistance you can email a rack-install technician, or call us at:

Symantec site seal