Towing Equipment› Hitches

B & W Trailer Hitches

Defender Locking Coupler with Outer Sleeve

$378.00

SKU: B010 GNCK4252

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The B&W Defender Locking Gooseneck Coupler (GNCK4252) is a heavy-duty steel coupler designed for 4-inch round gooseneck trailers. It features an integrated push-button keyed lock, an automatic latch, and a cone-shaped design for easy hook-up. It supports a 25,000-pound gross trailer weight and a 7,000-pound tongue weight, and is made in the USA.

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

BrandB & W Trailer Hitches
Part NumberB010 GNCK4252

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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