HADLEY part description

Finish Chrome
Size 26″
Horn Type Rectangular Bell
Connection 7/16”- 24 Thread Air Connection (other sizes available)
Shield Part Number H00977HB
Style Legacy
Shield Included
Composition Steel
Horn Mount Support Included
Product Description
  • Rectangular bell shape
  • 7/16”- 24 thread air connection. Other sizes available
  • Horn support Included
  • Shield Included

Hadley is the worldwide leader in air horn systems. You’ll see our horns used as original equipment on over-the-road, tractor/trailer rigs. And, when combined with a Hadley Air Compressor, they’re the number one horn used on SUV’s, 4 x 4’s, vans, pickup trucks, motor homes, motorcycles, and power / sail boats.

The extensive Hadley product line offers Round or Rectangular Bell Horns in single or dual projector configurations as well as a variety of finishes including matte black, chrome, or anodized aluminum. We offer complete installation kits as well as individual parts to ensure we meet your needs.

HADLEY H00978 Cross Reference

We have 2 alternatives for the H00978 by HADLEY:

Headquartered in Grandville, MI, Hadley® designs and manufactures valves, air horns, mirrors, and height control systems for heavy duty, commercial, and recreational vehicles. Hadley air horns are a particular favorite amongst truckers due to their signature low, throaty sound that's discernible even at long distances. The company also manufactures the SmartValve line of electronic height control system components, whose simplified and compact design helps reduce injuries and downtime during maintenance and improve fuel economy. All Hadley products are built and assembled in state-of-the-art facilities with four ISO certifications via ANAF to ensure compliance with international environmental, safety, and quality standards.

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