Tools› Air Tanks and Tools

Hornblasters

2NATHAN K3 540

$545.00

SKU: H015 H2-K3-540WR

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In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Hornblasters Nathan AirChime K3 544K Train Horn Kit features an authentic Nathan AirChime K3 horn sourced from retired locomotives. It operates at 150 PSI with a 12-Volt DC system, powered by a HornAir 5-gallon air tank. The horns undergo extensive reconditioning, including sandblasting, powder coating, and replacement of internal components, ensuring like-new performance and an authentic locomotive sound.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHornblasters
Part NumberH015 H2-K3-540WR

Videos

Loudest Train Horn on The Market (Review) Nathan K3LA

Loudest Train Horn on The Market (Review) Nathan K3LA
Train Horn Comparison Nathan AirChime P3 vs K3LA vs K5LA - Real Cast Train Horns! Hornblasters

Train Horn Comparison Nathan AirChime P3 vs K3LA vs K5LA - Real Cast Train Horns! Hornblasters
Airchime K3LA

Airchime K3LA

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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