Nathan AirChime K5LA 544 Train Horn Kit
Nathan AirChime K5LA 544 Train Horn Kit - Stealth Black is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
Nathan AirChime K5LA 544 Train Horn Kit - Stealth Black is backordered and will ship as soon as it is back in stock.
Description
Description
YOU'RE DOING SOMETHING RIGHT WHEN YOU HAVE IMPOSTERS
Upgrade your ride with the top-of-the-line Nathan AirChime K5 544K train horn kit. Experience the unmatched loudness and quality of the legendary Nathan AirChime K5LA train horn, the gold standard in train horns. With decades of proven durability and reliability, this 5-chime die-cast horn is still the most widely used train horn today on the railroads. Paired with our heavy-duty 544K onboard air system, this kit gives you the best train horn experience possible.
-
Legendary Sound: Experience the gold standard with the Nathan Airchime K5LA, boasting unmatched loudness and unparalleled quality in the world of train horns.
- Railroad Authenticity: A genuine railroad-use train horn, the K5LA has decades of proven durability, making it the most popular choice for modern railroads.
- Superior Power System: Equipped with a heavy-duty 1NM air compressor and an expansive 5-gallon air tank, ensuring consistent and powerful honks every time.
- Extended Blast Duration: Enjoy a maximum honk time of 5-7 seconds, giving you ample time to make your presence felt.
- Don't Compromise: With the perfect blend of tradition and modernity, this kit offers the apex of train horn experiences. Accept nothing less than the best.
IMPORTANT: Our Nathan AirChime train horns are sourced from retired locomotives and undergo extensive reconditioning. This process includes sandblasting, a new black powder coat finish, and replacing all internal components such as diffuser rings, diaphragms, and cushion rings. This ensures each horn performs like new and retains its authentic locomotive sound.
- Nathan K5LA train horn
-
5-GALLON 8 PORT AIR TANK
-
HORNBLASTERS 1NM STEALTH BLACK AIR COMPRESSOR
-
110/150 PSI PRESSURE SWITCH W/ 40 AMP RELAY
- SPARE AIR FILTER ELEMENTS
- 17' OF 1/2" D.O.T. APPROVED AIR LINE
- 1/2" BLACK WIDOW ELECTRIC AIR VALVE KIT
- 22FT OF 8-GAUGE RED WIRE
- 22FT OF 18-GAUGE BLUE WIRE
- 22FT OF 18-GAUGE GREY WIRE
- COMPLETE WIRING KIT WITH FUSE HOLDER & FUSES
- ALL NECESSARY FITTINGS
- DETAILED INSTALLATION INSTRUCTIONS
- MOUNTING HARDWARE
- EARPLUGS
| Part Number | HK-K5-544K |
| Operating Pressure | 150 PSI |
| Restart Pressure | 110 PSI |
| Voltage | 12-Volt DC |
| Horn | Nathan AirChime K5LA (K5 low mount American tune) |
| Horn Material | Cast Aluminum |
| Horn Length | 19″ (482.6 mm) |
| Horn Width | 29.75″ (755.65 mm) |
| Horn Height | 9.25″ (234.95 mm) |
| Horn Weight | 37 lb (16.78 Kg) |
| Horn Port | ½″ NPT |
| Tank | HornAir 5-gallon 8 port air tank |
| Tank Length | 20.5″ (520.7 mm) |
| Tank Diameter | 9.5″ (241.3 mm) |
| Tank Height | 11.5″ (292.1 mm) (With Legs) |
| Tank Weight | 20 lb (9.07 Kg) |
| Tank Ports | x7 1/2" NPT, x1 3/4" NPT |
| Max Amperage | 26 amps |
| Maximum Duty Cycle | 33% @ 100 PSI |
| Compressor Length | 9.0″ (228.6 mm) |
| Compressor Width | 4.0″ (101.6 mm) |
| Compressor Height | 7.05″ (179.07) |
| Compressor Weight | 8.00 lb (3.63 Kg) |
| 5.0 GALLON TANK | FILL RATE |
|---|---|
| 0 to 150 PSI | 6 min. 45 sec. (± 10 sec.) |
| 110 to 150 PSI | 2 min. (± 05 sec.) |
5-Gallon Air Tank Dimensional Drawing

-
Money-Back Guarantee/Refund Policy
All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly. -
Warranty
The horn itself comes with a 5-year warranty, while the rest of the horn kit is covered by our 2-year manufacturer's defect warranty!
-
HornBlasters.com Satisfaction Guarantee
HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing. -
Cross-Shipments
HornBlasters.com will not cross-ship returned merchandise. -
Physical Damage Policy
Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: HK-K5-544K
Loading vehicle fitment…
Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.







