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PN: 77338

LoadLifter 5000 ProSeries Air Spring Kit

The Air Lift ProSeries 77XXX delivers the same trusted performance as our LoadLifter 5000 kit – now offered exclusively through Air Lift Authorized Installers. Designed for trucks and SUVs with leaf springs, it provides dependable load-leveling support to keep your vehicle stable, level, and in control under heavy loads.

Professional-Grade Load Support You Can Count On.

Built on the proven LoadLifter 5000 platform, the ProSeries 77XXX line provides reliable load leveling, improved stability, and better control when towing or hauling – installed by experts who know your vehicle best. This installer-exclusive line ensures proper setup, peak performance, and long-lasting support for any heavy-duty demands.

  • Provides up to 5,000 lbs. of load-leveling capability*
  • Ideal for trucks and vans with leaf-spring suspensions
  • Helps eliminate rear squat, trailer sway, poor headlight aim, body roll, and bottoming out
  • Fully air-adjustable from 5–100 PSI to match any load or driving conditions
  • Includes upper and lower roll plates for added durability and abrasion protection
  • Many applications install with no drilling, using factory frame holes
  • Designed for towing trailers, hauling cargo, and daily load-bearing duty
  • Available only through Air Lift Authorized Installers for expert setup and support
  • Covered by Air Lift’s Limited Lifetime Warranty and 60-Day Ride Satisfaction Guarantee

*Do not exceed the vehicle manufacturer’s Gross Vehicle Weight Rating (GVWR)

Product Specs

  • Weight: 33.1lb
  • Width: 14.125in
  • Depth: 9.25in
  • Height: 10.75in

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* Never exceed manufacturer’s recommended Gross Vehicle Weight Rating. ** 0 PSI is not achievable with a compressor system as they maintain a minimum 5 PSI

CALIFORNIA WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

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    Product Features:

    Up to 5,000 lbs. load-leveling capacity*

    Fully adjustable for ideal ride comfort when towing or not

    Limited Lifetime Warranty

    Money-back Guarantee

    USA Customer Support

  • Application type: Rear Kit
  • Drilling required: No
  • Replacement part no: 50297
  • Manuals & Guides

    Download Manual [PDF]

    Download User Guide [PDF]

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