Exterior Components› Body Panels and Components

Blue Ox

KIT, 5TH WHEEL WIRING HARNESS

$110.86

SKU: B01I BX88356

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Blue Ox BX88356 is a 5th wheel wiring harness kit designed to simplify safe and reliable towed-vehicle lighting connections. This kit is designed to mount in the truck bed, utilizing the truck's factory wiring for easy hookup of a 5th wheel trailer. It features a reinforced, easy-grip lid that opens 180 degrees for simpler connections and internal seals for weatherproofing.

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

BrandBlue Ox
Part NumberB01I BX88356

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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