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Home / Suspension & Lift Kits / Lift Kits / Rough Country 100074
Air Spring Kit for 2011-2019 Chevy/GMC 2500 HD and 3500 HD, Rough Country 100074
Rough CountryPart 100074 · UPC 00843030109974

Air Spring Kit for 2011-2019 Chevy/GMC 2500 HD and 3500 HD

$329.95MAP price

Free shipping · 30-day returns

In stock: 144 available
Shipping weight: 40 lb.
  • Fits 2011-2019 Silverado 2500 HD/3500 HD and Sierra 2500 HD/3500 HD in 4WD and RWD, plus the 2015 Silverado 3500 WT
  • Rated for a 0-7.5 inch lift range; air springs support up to 5,000 lbs
  • Includes a 4 inch, 4 degree air spring spacer kit
  • Minor drilling required, and towing capacity is not increased: downloadable installation guide available
📄 Download the installation guide (PDF)

Will it fit your truck?

✓ Fits

2011–2019 GMC Sierra 2500 HD · 4WD/RWD
BaseDenaliSLESLTWT
2011–2019 GMC Sierra 3500 HD · 4WD/RWD
BaseDenaliSLESLTWT
2011–2019 Chevrolet Silverado 2500 HD · 4WD/RWD
High CountryLTLTZWT
2011–2019 Chevrolet Silverado 3500 HD · 4WD/RWD
High CountryLTLTZWT

+ 1 more applications

Does NOT increase towing capacity. Minor drilling required. Fitment on this page is based on the manufacturer’s application data.

Air Spring Kit, fitment-checked

This Rough Country air spring kit (100074) suits 2011-2019 Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD trucks running anywhere in a 0-7.5 inch lift range. A 4 inch, 4 degree spacer kit ships with it. Note that it does not add towing capacity, and minor drilling is required to mount the brackets.

Air springs handle the load here: double convoluted bags rated to support up to 5,000 lbs, so a loaded 2011-2019 Silverado or Sierra HD sits closer to level under a trailer. The kit covers trucks from stock height through 7.5 inches of lift and includes powder-coated steel brackets, DOT-approved airline, and 1/4 inch push-to-connect fittings. An onboard compressor and wireless controller are listed as optional. Coverage is 2 Year Limited Warranty on Compressor & Limited Lifetime on Air Springs. Shipping weight: 40.0 lb.

Kit contents

Priced components are sold separately here, so a worn shock or arm can be replaced on its own later.

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 100074 kit fits the vehicles shown in the fitment section above.

Specifications

BrandRough Country
Part number100074
UPC / GTIN00843030109974
Shipping weight40 lb
Warranty2 Year Limited Warranty on Compressor & Limited Lifetime on Air Springs
Country of originUS
CategorySuspension & Lift Kits › Lift Kits

Why buy here

Manufacturer-listed exclusions shown. We publish what a part does not fit, before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.

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