Freightliner single horn 66-01788-001 in black for reliable signaling
Freightliner Cascadia horn assembly close-up showing installation-ready design
Freightliner horn packaging image illustrating compact packaging
Freightliner horn device close-up highlighting durable construction
Freightliner USA origin label on the horn part
Freightliner single horn 66-01788-001 in black for reliable signaling
Freightliner Cascadia horn assembly close-up showing installation-ready design
Freightliner horn packaging image illustrating compact packaging
Freightliner horn device close-up highlighting durable construction
Freightliner USA origin label on the horn part

Freightliner Single Horn 66-01788-001 Black | 2013 Cascadia PX-125 Auto Part

Freightliner Single Horn — 66-01788-001 (Black) Upgrade your Freightliner’s signaling with the Freightliner Single Horn 66-01788-001 in...
Vendor: Freightliner
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Freightliner single horn 66-01788-001 in black for reliable signaling

Freightliner Single Horn 66-01788-001 Black | 2013 Cascadia PX-125 Auto Part

£47.91
Freightliner single horn 66-01788-001 in black for reliable signaling
Freightliner Cascadia horn assembly close-up showing installation-ready design
Freightliner horn packaging image illustrating compact packaging
Freightliner horn device close-up highlighting durable construction
Freightliner USA origin label on the horn part

Freightliner Single Horn 66-01788-001 Black | 2013 Cascadia PX-125 Auto Part

£47.91
Description
Description
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Freightliner Single Horn — 66-01788-001 (Black)

Upgrade your Freightliner’s signaling with the Freightliner Single Horn 66-01788-001 in black. Specifically designed for the 2013 Cascadia (PX-125), this horn offers a compact form factor that fits neatly in the engine bay while delivering a clear audible signal when you need it most.

There are multiple older part numbers that this unit supersedes, making it a practical option for replacing legacy signaling hardware. The horn ships as a single unit and is ready for straightforward installation on compatible Cascadia models, reducing downtime and simplifying service checks.

Key specs

  • Item Name: Freightliner Single Horn
  • Part Number: 66-01788-001
  • Brand: Freightliner
  • Application: 2013 Freightliner Cascadia (PX-125)
  • Supersedes Part Numbers: FIA7223421, FIA7223421S, 06-52125-023, 06-52125-035, 06-52125-046, 06-52125-047
  • Package Quantity: 1
  • Dimensions: 5.5 x 3.5 x 5 Inches
  • Weight: 0.6 Pounds
  • Country of Origin: United States
  • Product Type: Auto Part

Why this horn might fit your truck

  • Compatibility: designed for Cascadia PX-125 and listed as a direct replacement option
  • Portability: lightweight and compact profile for easier mounting and routing
  • Durability: manufactured in the United States with a robust horn mechanism
  • Maintenance: single-horn design minimizes extra components during replacement

In real-world use, drivers notice a reliable signal that travels well in traffic, helping others recognize your vehicle’s presence without requiring excessive engine noise. The black finish offers a sleek look in many engine bays while staying unobtrusive against dark components.

Installation and compatibility notes: Always confirm fitment with your VIN and model year, as Cascadia production did vary. The included part number references and superseded numbers help you cross-check catalogs or consult a Freightliner parts specialist. If you’re replacing a worn horn, this unit can provide a direct substitute with similar dimensions and electrical footprint, potentially reducing service time and downtime.

FAQ

Q: Which vehicles is this Freightliner horn compatible with?

A: Designed for 2013 Freightliner Cascadia PX-125; verify fitment and the listed superseded part numbers with your technician.

Q: What benefits can I expect from replacing my horn with the Freightliner 66-01788-001?

A: A reliable signaling option with durable build; ensure correct installation and electrical compatibility for best results.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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