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8" Galvanized Bunk Brackets: 4-Pack Swivel Top vs 8-Pack L-Type for Boat Trailers

Two galvanized 8-inch bunk bracket kits for 3x3 boat trailers face off: a swivel-top 4-pack and a fixed L-type 8-pack. Compare prices, pack sizes, and hull-matching adjustability to decide which supports your boat better.

Last updated Aug 17, 2026

When your boat trailer needs new bunk brackets, the two big questions are how many positions you need to cover and whether you want the bracket to pivot to match your hull. For a 3x3 crossmember with 8-inch bunks, two galvanized kits take different approaches: the YEHERIT swivel-top support kit offers an adjustable cap, while the L-type bunk bracket kit is a fixed L-shape design. Here's how to decide between them.

Quick verdict

If you're replacing just a couple of bunks and want a bracket that can tilt to follow the hull, the YEHERIT swivel-top kit is the easy call. If you need a full set of bunks and prefer a simple, fixed bracket without movable parts, the L-type 8-pack is the more complete purchase.

Comparison at a glance

Bracket KitListed PricePack CountStandout Feature
YEHERIT 8\" Swivel Top Bunk Bracket Support KitUSD 35.994Swivel top cap adjusts to hull shape
8\" L-Type Bunk Bracket KitUSD 59.998Heavy-duty fixed L-shape

Where the YEHERIT kit wins

The rotating top is the standout. It adjusts to different hull shapes and angles, which is a real advantage when you're trying to get even contact on a curved hull. This kit is also listed with a 1-year warranty and fits 3x3 crossbars as well as 2x3 and 1.5x3.

Where the L-type kit wins

The L-type kit brings more brackets to the table, enough to cover a full bunk setup in one order. The fixed L-shape means no pivoting parts to fiddle with, and the after-sales terms offer money back or replacement.

Product notes

YEHERIT Swivel Top Bunk Bracket Support Kit

4 Pack 8" Galvanized Swivel Top Bunk Bracket Support Kit For Boat Trailer 3x3

This kit suits a smaller trailer or a spot repair. It's designed for hulls with varying angles, and it's brand new with a galvanized finish. The trade-off is the limited number of brackets in the box, so a trailer with more bunk positions will need a second order. The 1-year warranty adds a layer of confidence for a part that gets regularly dunked.

L-Type Bunk Bracket Kit

8) 8" Galvanized L-Type Bunk Bracket Kit for Boat Trailer fits 3x3, Heavy Duty

This is the fuller package for a complete bunk replacement. The brackets are described as heavy-duty, and the fixed L-shape sets the angle at installation and holds it. If you prefer no moving parts, that's a feature. Just keep in mind you won't get the pivoting adjustment of the swivel-top kit.

Final choice

For a single-axle trailer or a small repair, the YEHERIT Swivel Top 4-pack at $35.99 gives you the adjustability you need for less. If you're fitting a full bunk setup or want a fixed, heavy-duty bracket set, the L-type 8-pack at $59.99 delivers all eight brackets in one box.

Products in this article
4 Pack 8" Galvanized Swivel Top Bunk Bracket Support KitUSD 35.99View on eBay8) 8" Galvanized L-Type Bunk Bracket KitUSD 59.99View on eBay
4 Pack 8" Galvanized Swivel Top Bunk Bracket Support KitUSD 35.99View on eBay8) 8" Galvanized L-Type Bunk Bracket KitUSD 59.99View on eBay

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