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ARRMA GET 'EM SALE

Save up to $80! Now through 5/10.

SHIFT INTO OVERDRIVE

Full Throttle Rewards | VIP perks, exclusive deals & more

NEW & IN STOCK

Available now and ready to ship

Next Shipment August 2026

HO Horn, GP35/GP38-2/GP40-2/GP50/GP60/SD45 (6)

Athearn - ATH40001

$9.99

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HO Horn, GP35/GP38-2/GP40-2/GP50/GP60/SD45 (6) Product Specs

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  • ScaleHO
  • Sub BrandATHEARN