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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Fabtech 11-19 GM 3500HD 2WD/4WD 4in Basic Sys w/Dlss Resi ShksFabtechs 4" Performance systems utilize their proven heavy duty construction and design features for a robust suspension upgrade. The 4" system features high arched lower control arm crossmembers constructed of 1 4" thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the near stock track width keeping tires under the fender for a clean appearance. Rear lift is accomplished with a block and u bolt configuration. This
Fabtech’s 4" Performance systems utilize their proven heavy duty construction and design features for a robust suspension upgrade. The 4" system features high arched lower control arm crossmembers constructed of 1/4" thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the near stock track width keeping tires under the fender for a clean appearance. Rear lift is accomplished with a block and u-bolt configuration.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2018 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2011-2019 | GMC | Sierra 3500 HD | SLE |
| 2011-2019 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.0 ★★★★★
Based on 2431 reviews
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Product Reviews
★★★★★ 5
Great wiring harness for light installations.
Size: 16AWG Wiring Harness-2 Leads, Size: 16AWG Wiring Harness-2 Leads
This is a great wiring harness for LED lights. These come in one or two leads application. All that means is that they come ready for one or two lights, depending on your installation. The plug in connectors for each light comes with the set so that is a plus. I’ve attached a picture of the plug/connector for the lights so you can take a look at them. Although the relay is an “overkill” for low wattage LEDs, it’s OK to have it just in case you decide to change your lights for larger ones or halogens, in the future. In my case I will be using this harness in my motorcycle. It is very long for my need, which is great for cars, but too long for motorcycles since you have to remember that room/space is scarce in motorcycles. I ended up cutting the wires to my desired length and using heat shrink butt connectors and “glued” heat shrink covers for waterproofing the connection points. All in all these are great quality and I am very happy with them.
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Reviewed in the United States on December 16, 2020
★★★★★ 5
Nice
Size: 16AWG Wiring Harness-2 Leads
Worked great, easy to install
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Reviewed in the United States on January 8, 2026
★★★★★ 4
Wire length between the two connectors is short for a full-size pickup
Size: 16AWG Wiring Harness-2 Leads
I used the harness to wire ditch lights on opposite sides of a full-size pickup (F150). The wire between the 2 2-pin connectors was about 18 inches too short. Fortunately, splicing the wires from the (Nilight) ditch lights and the included pigtails gave barely enough length to reach the connectors. The connectors are buried inside the trim channel for the cowl; I'd have preferred they were exposed on each side to allow for easy swapping of the lights, but I can live with it. There is more than enough wire from the first connector to the relay for my all-under-hood installation, but I didn't think to measure if it would reach into the truck bed. The harness is of good quality and is a very good value. It would be a 5-star if it weren't for that little length issue.
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Reviewed in the United States on June 1, 2025
★★★★★ 5
great value
Size: 16AWG Wiring Harness-2 Leads
very affordable light install kit. worth the price just in the wiring connectors. I used this with my Nilight front bumper kit. i bypassed the button and wired high beam (+) to the yellow small wire. I did this so when the highbeams come on the light bar comes on. because with the stock arragement of this harness, the button continously draws power for the indicator LED
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Reviewed in the United States on April 30, 2026
★★★★★ 5
The Easiest!
Size: 16AWG Wiring Harness-2 Leads
This is one of the best and easiest wiring system to install that I have every used. And the price is great!
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Reviewed in the United States on June 11, 2025
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