Pacbrake Alpha HD Rear Air Suspension, 2019-2024 LM2/LZ0

Part# HP10340

$343.74 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2019 thru 2024 Chevy Silverado/GMC Sierra 1500 LM2/LZ0 Duramax Diesel

Eliminate truck sag, sway, and the risks of bottoming out with ALPHA HD™ air bags / air helper springs from Pacbrake, distinguished by their inch-thick, corrosion-resistant end caps and reinforced with 20 support wires for unparalleled strength and durability.

Engineered for both resilience and performance, the ALPHA HD™ Series stands out as a superiorly constructed, cost-effective solution for heavy-duty applications, offering up to 5,000 lbs of load leveling capacity. This makes it perfect for DIY enthusiasts, work trucks, construction vehicles, landscapers, ambulances, utility trucks, and those towing or hauling boats, snowmobiles, ATVs/UTVs, and more.


  • Built for durability and performance 
  • Max load leveling capacity: 5,000 lbs
  • Ideal for towing or hauling 
  • No drilling required
  • Doubled convoluted design
  • Limited lifetime warranty


  • 2 air springs
  • Corrosion resistant roll plates
  • Precision laser cut powder coated steel brackets
  • Grade 5 plated hardware
  • All accessories required for the perfect bolt on install
  • Comprehensive installation guide


  • Never exceed manufacturer's recommended Gross Vehicle Weight Rating
  • Not for commercial chassis cabs

Install Instructions

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