Exterior Components› Body Panels and Components

Master Lock

COUPLER LOCK SET

$71.58

SKU: M014 3794DAT

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item

Description

The Master Lock 3794DAT is a three-piece trailer lock set designed to secure your trailer. The set includes a universal trailer coupler lock, a receiver lock, and a trailer coupler latch lock. The coupler lock fits 1-7/8 inch, 2 inch, and most 2-5/16 inch couplers. The receiver lock comes with both a 5/8 inch pin for 2-inch receivers and a 1/2 inch pin for 1-1/4 inch Class I & II receivers. All three locks are keyed alike for convenience.

Fitment

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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.

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Specifications

BrandMaster Lock
Part NumberM014 3794DAT

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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