United Pacific – Stainless Dome Horn Cover – Multiple Sizes

Stainless Dome Horn Cover

Protect and style your horn with the United Pacific 21301 / 21302 / 21303 – Stainless Dome Horn Cover. Crafted from highly polished 304 premium-grade stainless steel, these covers offer long-lasting shine, corrosion resistance, and a sleek finish. Each cover includes 4 welded snap-in mounting clips and is engineered to fit specific horn bell diameters.

• 21301 – Fits 5½" to 6" horn bell
• 21302 – Fits 7¼" to 7½" horn bell
• 21303 – Fits 7¼" to 7½" horn bell (alternate option)

Product Features

• Manufacturer: United Pacific
• Item Numbers: 21301 / 21302 / 21303
• Material: 304 premium-grade stainless steel
• Finish: Highly polished mirror finish for lasting shine
• Mounting: Includes 4 welded snap-in clips for easy installation
• Compatibility: Fits various horn bell diameters (see list above)
• Durability: Rust- and vibration-resistant, ideal for exposed mounting
• Applications: Compatible with truck, trailer, and custom horn installations
• Sold individually

Performance & Fit

These dome horn covers are precision formed to fit snugly over your horn bell, offering both aesthetic appeal and protective coverage. The mirror-polished finish retains its shine even under consistent exposure to road elements. Snap-in clips secure the cover without requiring additional hardware, making installation clean and simple.

Installation

1. Ensure horn bell diameter matches one of the supported sizes (5½–6" or 7¼–7½").
2. Align the dome cover over the horn bell opening.
3. Press firmly so that the 4 welded snap-in clips engage the horn rim.
4. Double-check that the cover is securely seated and centered.

Why You’ll Love It

• Premium 304 stainless steel — durable, corrosion-resistant
• Mirror-polished finish adds a refined touch to your rig
• Snap-in clips allow tool-free installation
• Custom fit for common horn bell sizes
• Protects horn from debris while preserving sound output

Common Questions

• Which cover should I pick? Use 21301 for horn bells measuring 5½" to 6", and 21302 or 21303 for horns measuring 7¼" to 7½".
• Does it include mounting hardware? Yes — the 4 clips are welded in; no separate fasteners are required.
• Will it affect horn sound? No — the dome design allows sound to pass while offering protective coverage.
• Is it corrosion-resistant? Yes — polished 304 stainless resists rust and oxidation under normal conditions.

⚠️ California Proposition 65 Warning:This product can expose you to chemicals including nickel and chromium compounds, known to the State of California to cause cancer and reproductive harm.For more information, visit www.P65Warnings.ca.gov.

Note: Select the cover variant that matches your horn bell diameter. 21301 for 5½"–6", 21302 or 21303 for 7¼"–7½".