Exterior Components› Lights and Components

Hornblasters

K3 540 WR KB

$1,944.98

SKU: H015 HK-K3-540WR-KB1

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Nathan K5LA is hailed as the "godfather of all train air horns," still actively used on commercial locomotives. This Airchime train horn is built with high-quality construction, ensuring exceptional performance. It features five heavy-duty die-cast kettle drum bells and a high-flow five-way manifold. As a genuine locomotive air horn, it produces the authentic sound of diesel locomotives, guaranteeing it will be heard for miles.

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 HK-K3-540WR-KB1

Videos

Loudest Train Horn on The Market (Review) Nathan K3LA

Loudest Train Horn on The Market (Review) Nathan K3LA
WATCH BEFORE BUYING TRAIN HORNS! *On Board Air System + Horns!*

WATCH BEFORE BUYING TRAIN HORNS! *On Board Air System + Horns!*
Train horn comparison - Hornblasters Shocker vs Airchime K3LA vs K5LA

Train horn comparison - Hornblasters Shocker vs Airchime K3LA vs K5LA
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
2012 SEMA Hornblasters Shocker Train Horn Kits LOUDEST ON THE MARKET!

2012 SEMA Hornblasters Shocker Train Horn Kits LOUDEST ON THE MARKET!
HornBlasters 244k Nightmare Edition Train Horn Vs A Real Train Horn Sound

HornBlasters 244k Nightmare Edition Train Horn Vs A Real Train Horn Sound
I Bought the LOUDEST Train Horns for the Peterbilt, Full Install Video!

I Bought the LOUDEST Train Horns for the Peterbilt, Full Install Video!
Car Horn vs. Hornblasters XL vs. Nathan AirChime K5LA (HQ)

Car Horn vs. Hornblasters XL vs. Nathan AirChime K5LA (HQ)

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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