Hero Genuine Horn Comp 38110KST900S for CD Dawn / CD Deluxe / HF Dawn / HF Deluxe

Restore the original factory horn sound on your older Hero Honda commuter with this Hero Genuine Horn Comp – Part No. 38110KST900S. This OE horn is listed by Hero and multiple major distributors as the correct replacement for CD Dawn, CD Deluxe (later HF Dawn / HF Deluxe) and other 100 cc commuter variants using the same horn assembly.

Unlike cheap universal horns, 38110KST900S is a vehicle-specific 12V disc horn with the right sound pressure, tone and current draw for Hero commuter motorcycles. The mounting hole and connector orientation are designed to match the OE bracket and wiring, so a competent mechanic can install it plug-and-play without cutting wires or bending brackets. Amazon and Hero-linked portals list it as a high-quality Hero horn with compact dimensions (approx. 8 × 5 × 11.5 cm) and modern styling.

If your bike’s horn has gone weak, intermittent or completely dead after years of traffic, dust and rain, replacing it with the correct Hero Genuine part number ensures reliable performance when you need it most.

Buying from Under The Hood (underthehood.co.in) means:

• 100% genuine Hero MotoCorp / HEROGP stock,

• GST-compliant bills with correct HSN,

• careful packaging, and

• real-world support from a workshop that handles commuter Hero bikes daily.

No local duplicates, no confusion—just the right horn for your CD Dawn / HF Deluxe–family motorcycle.

Key Features 

• Original Hero Genuine Part – Horn Comp, part number 38110KST900S, supplied as OE-spec replacement for older Hero Honda commuters.

• Model-specific fitment – Listed for CD Dawn, CD Deluxe (later HF Dawn / HF Deluxe) across multiple Hero-linked catalogs and e-commerce portals.

• 12V disc-type horn – Compact, vehicle-specific 12V horn designed to work with stock wiring and switchgear.

• Correct loudness & tone – “High” horn note with acoustically pleasant, attention-grabbing sound for city and highway use.

• Quality materials – Cold-rolled special steel construction with robust diaphragm, designed for durability and corrosion resistance.

• Accurate dimensions – Typical diameter ~90 mm, length ~122 mm, ~0.27–0.30 kg; fits cleanly behind headlamp / leg-guard mounting points.

• HSN 85123010 – Classified as electric horn for proper GST billing and export documentation.

• Tested & validated by Hero – Hero Genuine Parts go through multiple critical quality checkpoints before approval, ensuring consistent performance vs local aftermarket horns.

• Perfect for restoration – Ideal for restoring older Hero Honda CD Dawn/CD Deluxe/HF Dawn/HF Deluxe to stock functionality and sound.

• Under The Hood assurance – Genuine sourcing, secure packing, and WhatsApp support if you are unsure about part compatibility.

Compatibility Table

PLEASE CHECK PART NUMBER BEFORE PURCHASE 

*Year ranges are approximate based on model life and Hero price lists / CWPC charts, not exact registration years.

Explicit Exclusions / Caution

• Not advertised for newer BS4/BS6 HF Deluxe, HF 100, HF i3S, Splendor+, Super Splendor, Passion Pro, Glamour BSVI etc. Those models use different horn part numbers.

• If your bike is not in the table, or your original horn part number is different, please confirm via Hero EPC / dealer before ordering.

Variants

This listing covers a single genuine Hero horn unit:

• Variant: Hero Genuine Horn Comp – 38110KST900S (High tone disc horn)

• Finish: Standard black disc horn

• Use case: Direct OE replacement for one stock horn on compatible Hero Honda commuters.

No low-tone pair or colour variants are bundled with this part number. For dual horn setups or cosmetic upgrades, use an additional compatible horn + proper relay wiring.

What’s in the Box

• 1 × Hero Genuine Horn Assembly – 38110KST900S

• 1 × Basic mounting nut/washer (as supplied by Hero / distributor)

• 1 × Original packaging with Hero MotoCorp / HEROGP branding, part label and barcode

Installation & Usage Notes

• Recommended to be installed by a trained mechanic / auto electrician.

• Disconnect the battery before working on the horn wiring.

• Mount the horn on the OE bracket; do not bend the bracket excessively as it may affect sound direction and vibration.

• Ensure good earthing and tight terminals; weak ground or corroded connectors can cause low sound or intermittent operation.

• Avoid sounding the horn continuously for long durations—it is designed for short pulses as per standard traffic usage.

• If the horn is still weak after replacement, check battery health, horn switch, relay (if present) and wiring harness.

FAQs

Q1. Will Hero 38110KST900S fit my HF Deluxe?
Yes, HF Deluxe (formerly CD Deluxe) as compatible with horn part number 38110KST900S. If your bike is the older carburetor HF Deluxe / CD Deluxe era (mid-2000s), this is the OE-spec horn. For much newer BS4/BS6 HF Deluxe models, confirm the original part number first.

Q2. Does this horn work on CD Dawn / HF Dawn?
Yes. HF Dawn (formerly CD Dawn) using 38110KST900S as the OE horn part. As long as your wiring and bracket are stock, it should bolt on and plug in directly.

Q3. Is this an original Hero horn or a local duplicate?
This listing is for a Hero Genuine Part (HEROGP) horn, part number 38110KST900S. 

Q4. Will it fit my Passion Plus or Ambition?
Ambition and Passion Plus as base models for this horn, but this is not consistently repeated across all catalogs. HORN ARE MOSTLY UNIVERSAL AND BE INSTALLED IN ANY BIKE

Q5. Do I need a relay or extra wiring for this horn?
For a single stock horn replacement on CD Dawn / HF Dawn / HF Deluxe / CD Deluxe, you usually do not need an extra relay or new wiring—just plug-and-play on the factory horn wires. If you are adding dual horns or upgrading to higher-power aftermarket horns, you should install a proper relay, fused line and possibly upgrade wiring.