Skip Navigation

Thule 503 Load Stops

For square load bars

Item #: 094503

2 Reviews | Ask Questions

Your price: $74.99 Earn up to 75 Rewards points

Add to Cart

+ Add to wishlist

Special Order

View all associated offers

Please use Thule's Fit Guide to find the right products for your vehicle.You will be redirected to the Thule web site and are subject to Thule's legal and privacy policy.   Continue    Cancel

These durable load stops clamp to your load bars to prevent just about any load from slipping side-to-side, including lumber, canoes, ladders, and more. All Thule equipment passes tough European safety standards for car racks. Optional straps not included.

Product Highlights:

Thule 503 Load Stops Reviews

Average Customer Review:

2 Reviews

Thule 503 Load Stops

Written by: TomP from Quinton, VA on May 14, 2012

Crutchfield Customer Review (What's this?)

A great addition to a set of Thule racks. Many applications from lumber to ladders etc.

Pros: Easy to install and remove.

Cons: Cannot be used in areas close to the rack mounting points.

Thule 503

Written by: Allan from Eau Claire, WI on April 24, 2012

Crutchfield Customer Review (What's this?)

I have a Thule rack on my pickup topper and use the 503s to tie down ladders. They are easy to install, and work great.

Pros: Easy to install, works great

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • 4 Load stops
  • 4 knobs with bolt
  • Instructions

Product Research


Overview: The Thule 503 - Load Stops are vertical stops which help organize your trips from the hardware store. The Thule 503 laterally supports everything from lumber and ladders to canoes and crates. The Thule 503 - Load Stops come in a set of 4. The Thule 503 - Load Stops feature a stamped steel frame with nylon inserts.

Note: All long loads such as, but not limited to, sailboards, surfboards, kayaks, canoes and lumber must be tied down front and rear to the bumpers or tow hooks of the vehicle. Straps (523-Load Straps) sold separately.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

Searches related to the Thule 503 Load Stops For square load bars