Product Specifications
| Weight | 9.5 kg |
|---|---|
| Dimensions | 50 × 40 × 25 cm |
| make |
Product Details
Product overview
HN-P021538 is a compatible aftermarket Air horn kit supplied under the Vidishi Auto brand as a replacement for Sunlaebo. It is built from Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish..
HN-P021538 is a compatible aftermarket Air horn kit supplied under the Vidishi Auto brand as a replacement for Sunlaebo. It is built from Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish.. 150dB Super Loud Coaxial Waterproof Train Horns 6L Air Tank Air Compressor 4 Trumpet Train Horn Kit for Car Truck Van 12V. Construction uses Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish.. Common service issues with this component include Air leaks at fittings, check valve or drain cock make tank pressure drop (use soapy-water test); compressor thermal overload if poorly ventilated or run continuously; moisture/condensation collects in the tank and can freeze in cold weather (drain regularly); a blown fuse or corroded ground kills the compressor; a backwards solenoid valve caps pressure at about 40 PSI producing only a weak hiss. Some listings ship without compressor/switch, so verify kit contents. The compressor must be kept dry – it fails if exposed to weather/water.. Supplied worldwide by Vidishi Auto with fitment confirmation before dispatch.
Product gallery






Trumpet and compressor construction
Trumpet and compressor construction: Construction and material define rigidity, sealing face quality and service life. Built from Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish..
Key specifications
| Part / model number | SLB-A089 |
|---|---|
| Voltage | 12V |
| Sound level | 150 |
| Color | Black/Blue |
| Volume / capacity | 6 |
| Warranty | 12 Months |
| Packaging | Custom |
| Origin | Zhejiang, China |
| Material | Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish. |
Fitment and application
Suitable for universal or broad-fit applications. Confirm exact fitment with your vehicle or machine details before ordering.
Sound level and tone
Sound level and tone: Sound level and tone are the headline specifications of any horn kit. Built from Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish.. Common service issues with this component include Air leaks at fittings, check valve or drain cock make tank pressure drop (use soapy-water test); compressor thermal overload if poorly ventilated or run continuously; moisture/condensation collects in the tank and can freeze in cold weather (drain regularly); a blown fuse or corroded ground kills the compressor; a backwards solenoid valve caps pressure at about 40 PSI producing only a weak hiss. Some listings ship without compressor/switch, so verify kit contents. The compressor must be kept dry – it fails if exposed to weather/water..
Installation and air routing
Installation and air routing: Installation and air routing determine whether the horn or step performs as designed. Built from Iron/steel body with chrome-plated metal trumpets in a 4-trumpet coaxial array; includes a 6 L air tank and a 12 V electric air compressor; waterproof construction. Comparable Hadley 22-inch bells are chrome-plated brass or aluminium/stainless-steel with chrome or powder-coat finish..
Interchange / cross-reference numbers
This part is supplied against the following common interchange references. Match against your original number before ordering.
Wholesale and ordering
- Minimum order quantity: 10 sets
- Lead time: Confirm with sales
- Contact: WhatsApp +8613509025030 or email [email protected]
Frequently asked questions
Is this a genuine Sunlaebo part?
What are the interchange / cross-reference numbers for HN-P021538?
What is the minimum order quantity?
Can you confirm fitment for my vehicle or machine?
Do you provide OEM and ODM service?
What are your shipping and lead times?
Compliance and support
Vidishi Auto is a wholesale supplier of aftermarket automotive and industrial parts. Every part is inspected before dispatch. For fitment confirmation, send your vehicle or machine details on WhatsApp.

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