
Shocker Weld on Gooseneck Trailer Outer Sleeve Tube for Stem & Coupler - 5"OD x 4.5"ID x 20"T 4.5"SquareTube for Diamond C – 5″OD x 4.5″ID x 20″T 4.5″SquareTube for Diamond C
$331.98
$435.73 save $103.75
or as low as $28/mo with flexible financing — 4, 6, or 12 months. Options at checkout.
3 Styles to Choose From
4.5" OD Sleeve to fit 4" Square Gooseneck coupler with straight pinhole, 4.5" OD Sleeve to fit 4" Square Gooseneck coupler with Top Crank or 5" OD to fit 4.5" Square Gooseneck coupler with straight…
Precision tolerance to fit existing
inner tube square gooseneck couplers
1-Year Manufacturer Warranty
Every Shocker Hitch is covered for 365 days against defects in material or workmanship, plus a 60-day satisfaction guarantee.
Fast Installation
Drop-in fit using standard hitch pins — no drilling, welding, or special tools required to install.
Stop destroying your trailer and cargo.
Every bump, pothole, and expansion joint sends a violent jolt through your trailer frame, damaging cargo and wearing out your truck. Shocker Air Ride Hitches absorb that punishment at the coupling, before it reaches your trailer.
The weld on thick wall 5" square outer tube stem neck for a inner 4.5" square Diamond C bolted stem gooseneck coupler. Weld on stem offers up to 40,000 lbs GTW. This is a Heavy Duty weld on neck that gooseneck trailer manufacturers use. It comes in raw steel, and the tube is designed to be welded onto the front of a gooseneck trailer. Lower collar offers additional strength. The top is capped to prevent water and debris accumulation. They are 20" in height. Does not include inner tube gooseneck coupler. Professional welding is required for welding the outer tube to the gooseneck tongue. Manufactured by Shocker Hitch.
- Weld-on Square Outer tube sleeve for gooseneck couplers
- Commonly used by Gooseneck trailer manufactures
- 3 Styles to Choose From: 4.5" OD Sleeve to fit 4" Square Gooseneck coupler with straight pinhole, 4.5" OD Sleeve to fit 4" Square Gooseneck coupler with Top Crank or 5" OD to fit 4.5" Square Gooseneck coupler with straight pin hole.
- Fabricated from formed 1/4" steel
- Precision tolerance to fit existing inner tube square gooseneck couplers
- 20" Height
- Raw Steel
- Features four 3/4" set bolts with jams nuts.
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$331.98
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Skip the product wall — these are the four guides every buyer actually opens before they decide.
Installation Guide
Step-by-step videos for every Shocker family. What's in the box, what tools you need, and how long it takes.
Watch the installAir Pressure Setup
How to dial in air pressure by trailer weight so the ride is right the first time and the hitch lasts longer.
See psi by loadTowing Capacity Guide
Match GTW, tongue weight, and receiver size to your truck class so you don't over- or under-buy.
Read the guideConfigure Your Hitch
60-second fit quiz — answer a few questions about your truck and trailer, get a tailored recommendation.
Start the quiz
- 1-Year Manufacturer Warranty
- 60-Day Returns
- 20,000+ Customers
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