Exterior Components› Lights and Components

Kuryakyn

Kuryakyn Headlamp Adapter Harness

$23.10

SKU: K054 5478

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Kuryakyn 5478 is a headlamp adapter harness designed to facilitate the installation of H4-style LED headlights on select Harley-Davidson Touring and Trike models from 2014 to 2020. This harness ensures a seamless connection between new LED headlamps and the motorcycle's existing wiring. It features heat-shrinked wiring for enhanced protection and durability. The adapter is compatible with Harley-Davidson FLHR Road King models (2014-2020) and FLHRXS Road King Special models (2017 onward).

Fitment

Fitment Guaranteed

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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

BrandKuryakyn
Part NumberK054 5478

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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