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Air Lift Company LoadLifter 5000 Ultimate Air Spring Kit — Fits 2021 F-150 PowerBoost, Rear Load Support, 5,000 lbs. Capacity, Model# ALC88389

Item# 7159858
Air Lift Company LoadLifter 5000 Ultimate Air Spring Kit — Fits 2021 F-150 PowerBoost, Rear Load Support, 5,000 lbs. Capacity, Model# ALC88389

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Air Lift Company LoadLifter 5000 Ultimate Air Spring Kit — Fits 2021 F-150 PowerBoost, Rear Load Support, 5,000 lbs. Capacity, Model# ALC88389

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$656.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • For 21-C F150 Powerboost
  • Rated to handle up to 5,000 lbs of load-leveling support
  • Coil Spring Position: Rear
  • Has internal jounce bumpers for added shock absorption
  • Minimizes rear squat and improves towing stability

  • Prop 65 Warning: See Details

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  • Description

  • Key Specs

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Product Summary

Designed specifically for hybrid-equipped F-150s, the Loadlifter 5000 Ultimate Air Spring Kit premium suspension upgrade enhances your truck’s capability without sacrificing the smooth, responsive ride quality you expect from your PowerBoost. Whether you’re towing a camper, hauling heavy equipment, or just loading up for a weekend adventure, this kit provides the durability and control needed to handle it all. The standout feature of the LoadLifter 5000 Ultimate series is the inclusion of integrated closed-cell urethane jounce bumpers inside each air spring. These bumpers act as a safeguard by delivering a secondary level of support when air pressure is reduced or momentarily lost. They also help absorb shock and dampen harsh vibrations from uneven terrain or sudden dips, protecting both your suspension system and cargo from unnecessary wear. With up to 5,000 lbs. of load-leveling capacity, this air spring kit drastically reduces squat, sway, and bottoming out when carrying heavy loads or towing trailers. That means your F-150 remains level, your headlights stay properly aimed, and your braking and steering performance remain sharp and consistent. You'll experience better tire wear, enhanced stability, and a safer, more confident drive—especially important for long hauls and unpredictable road conditions. The ALC88389 kit is custom-designed to integrate seamlessly with the PowerBoost’s hybrid chassis and underbody layout. It includes precision-engineered mounting brackets and hardware that simplify the installation process, requiring no frame drilling on most models. The reinforced rubber bellows and high-strength composite end caps ensure long-term reliability even under frequent heavy-duty use, while corrosion-resistant materials keep the system protected from road salt and weather exposure. Whether you're a contractor, RV enthusiast, or weekend warrior, the LoadLifter 5000 Ultimate delivers the suspension support your F-150 PowerBoost needs to work harder, drive safer, and ride better. Backed by Air Lift’s limited lifetime warranty and a 60-day ride satisfaction guarantee, it’s the suspension solution built for trucks that don’t compromise—just like yours.

What's Included

    (1) Air spring; Installation parts and hardware

Features + Benefits

  • For 21-C F150 Powerboost
  • Rated to handle up to 5,000 lbs of load-leveling support
  • Coil Spring Position: Rear
  • Has internal jounce bumpers for added shock absorption
  • Minimizes rear squat and improves towing stability
  • No-drill install for quick setup
  • Fully adjustable air springs from 5–100 PSI

Key Specs

AttributeSpecification

item#

7159858

Brand

Air Lift Company

Manufacturer's Warranty

Lifetime Limited warranty
AttributeSpecification

Ship Weight

30.0 LB

Product Weight

30.0000 lb

Dimensions L x W x H (in.)

14.125 x 10.75 x 9.25 in

Reviews

Questions & Answers

Questions

Warranty

Manufacturer's Warranty

Lifetime Limited warranty

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