Towing Equipment› Trailer Wiring and Electronics

WIRTHCO

24" TRAILER HARNESS

$21.32

SKU: W01I 80903

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The WirthCo 80903 is a trailer wiring connector designed for the trailer side. This 4-flat connector features a wishbone design for superior trailer harness integrity and utilizes the standard RVI color code for easy installation. It is a contractor-grade connector built for durability.

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

BrandWIRTHCO
Part NumberW01I 80903

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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