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Towing Equipment› Trailer Wiring and Electronics

Kleinn Air Horns

Kleinn 20-26 Chevrolet Silverado 2500 HD/ 3500 HD Onboard Air System

$1,039.94 $799.95 Save $239.99

SKU: K00Y GMHD20-OBA

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

Easy — 1–2 hours

Description

This product is described as a "Direct Fit Train Horn and Onboard Air System." Specifically, the GMHD20-OBA SKU is an "Onboard Air System Without Horns." The manufacturer's website content focuses primarily on warranty details.

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

BrandKleinn Air Horns
Part NumberK00Y GMHD20-OBA

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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