How much weight can these air springs add to my truck?

The LoadLifter 5000 kits can add up to 5,000 pounds of leveling capacity. This allows you to carry loads closer to your truck's Gross Vehicle Weight Rating.

What is the minimum and maximum air pressure for these springs?

You can adjust the air pressure in these springs from a minimum of 5 PSI to a maximum of 100 PSI. This range lets you fine-tune the ride for different loads.

Do these air springs come with everything needed for installation?

The kit includes the air springs themselves. You will need to consult the manufacturer's installation instructions for any additional hardware or tools required for proper setup.

Air Lift Loadlifter 5000 Rear Air Spring Kit for 99 to 04 Ford 250/350 Superduty

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Specifications

Brand: Air Lift
Part #: 57390
UPC: 729199573903

Air Lift Loadlifter 5000 Rear Air Spring Kit for 99 to 04 Ford 250/350 Superduty

Name: Air Lift Loadlifter 5000 Rear Air Spring Kit for 99 to 04 Ford 250/350 Superduty
Brand: Air Lift
SKU: air-lift-air-lift-loadlifter-5000-rear-air-spring-kit-for-99-to-04-ford-250-350--t14-4399185
Price: 502.99 USD
Availability: InStock

$502.99

In Stock

Worn-out suspension causes sag and sway when towing. This Air Lift LoadLifter 5000 kit adds adjustable air springs to level your load.

Key Features

Levels your load — eliminates sag, sway, and bottoming out when towing or hauling.
Adjustable air pressure — set from 5 to 100 PSI to match your load.
Heavy-duty capacity — up to 5,000 pounds of leveling support.
Durable construction — made with rugged components for reliable service.
Limited lifetime warranty and 60-day ride satisfaction guarantee from Air Lift.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Ford F-250 Super Duty 1999-2004
Ford F-350 Super Duty 1999-2004

Product Details

Air Lift adjustable air helper springs level your load, and give your truck, van, or SUV a safer, more comfortable ride. Air springs are easy to install between your existing springs and the vehicle frame. Just add air when towing or hauling a heavy load, and reduce air pressure when unloaded, they are fully adjustable for a great ride. Air Lift air springs eliminate sag, sway, and bottoming out. They are made with rugged, durable components for long, reliable service. LoadLifter 5000 kits are Air Lift's heaviest-rated kits for hauling or towing heavy loads. They have up to 5,000 pounds of leveling capacity, right up to the manufacturer's recommended Gross Vehicle Weight Rating, and are air adjustable from 5 to 100 PSI. LoadLifter 5000 kits fit such popular vehicles as ton and one-ton pickup trucks, many Class A, B & C motor homes, and commercial trucks and other severe uses. They also come standard with a limited lifetime warranty and an exclusive 60 day ride satisfaction guarantee.