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Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit for 99-04 Ford F-250 Super Duty 4WD

SKU: ALF88390

Air Spring Helper Kits

ALF 5000 Ultm Air Spring Kits...

Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit for 99-04 Ford F-250 Super Duty 4WD

SKU: ALF88390

Air Spring Helper Kits

ALF 5000 Ultm Air Spring Kits...

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A$1,304.64
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Air Lift, Air Lift Performance StreetFX SKU alf88390 SFX Item ID 4188435 Accounting SKU alf-88390 Manufacturer SKU 88390 Manufacturer UPC 729199883903 Alternative References 88390, AIR-88390, AIR88390, ALT88390

Air Spring Kit - Loadlifter 5000 - Bags / Brackets / Lines - 5000 lb Capacity - Black Powder Coat Brackets - Rear - Super Duty - Ford Fullsize Truck 1999-2004 - Kit

Susp. Air Spring Kit

Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a comfortable and stress-free experience. For the ultimate ride comfort and protection, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. Perfectly engineered to fit the 2 lift, the LoadLifter 5000 Ultimate kit helps to eliminate problems frequently faced when towing and hauling, such as squat, poor headlight aim, trailer sway, body roll, and bottoming out. With the added stability that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI, your vehicle can be ready for any weight and any situation (Note: Do not exceed vehicle's gross vehicle weight rating (GVWR)). What sets the LoadLifter 5000 Ultimate apart from other air spring kits is the built-in internal jounce bumper. An Air Lift exclusive, the jounce bumper inside the air spring prevents bottoming out, eliminating squat and trailer sway, even on rough roads. This replaces the factory jounce bumper and it completely maintenance free, running safely with zero air pressure. This added feature makes the kit the ULTIMATE in ride comfort and protection. As experts in air suspension products for more than 70 years, Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality, longevity, and customer satisfaction, the key suspension components, including the air springs and all hardware, have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee, not to mention the Air Lift reputation for great customer service and technical support, you can purchase this kit with peace of mind.

Additional Information

Offering up to 5;000 pounds of load-leveling capacity; the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a breeze.

Part Type

Suspension Leveling Kit

Features and Benefits

  • Air Springs Fully Adjustable From 5-100 PSI Helping To Level Your Vehicle When Towing
  • Air springs fully adjustable from 5-100 PSI, helping to level your vehicle when towing or hauling a heavy load for a safe, comfortable ride with no sag or bottoming out
  • Does not fit cab and chassis applications
  • Easy to install with included instructions
  • Features Air Lift's Lifetime Warranty and 60 Day Ride Satisfaction Guarantee
  • Features Air Lifts Lifetime Warranty And 60 Day Ride Satisfaction Guarantee
  • Internal jounce bumper absorbs shock
  • Requires 9 inches between tire and frame
  • Rugged durable components including air springs and all hardware
  • Some vehicle modifications required
  • Under Frame Kit Designed To Work With Most In Bed Hitches
  • Under frame kit designed to work with most in-bed hitches
  • Up To 5000 Pounds Of Leveling Capacity
  • Up to 5000 pounds of leveling capacity (Note: Do not exceed vehicle's GVWR)

Product Details

30L Dampers Included:No
Air Lines Included:Yes
Bellows Color:Black
Control Arms Included:No
Description:LoadLifter 5000 ULTIMATE Air Spring Kit
Drilling Required:Yes
Fittings Included:Yes
Front Sway Bar Links Included:No
Part Number:alf88390
Title:Air Lift LoadLifter 5000 ULTIMATE with internal jounce bumper - 88390

Product Overview


Additional Application Notes
• Requires 9 inches between tire and frame Does not fit cab and chassis applications
• With Internal Jounce Bumper Use w/5th Wheel Safely Run w/Zero Air Pressure Requires 9 in. Between Tire And Frame~Under Frame Kit~For Leaf Spring Suspension~Will Fit Most Side Mount Fifth Wheel Hitch Applications Requires 9 in. Between Tire And Frame~ Under Frame Kit~ For Leaf Spring Suspension~ Will Fit Most Side Mount Fifth Wheel Hitch Applications~ Drilling Required~ Install Time 2 Hr Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure Adjustable
• Requires 9 inches between tire and frame Requires 9 in. Between Tire And Frame~Under Frame Kit~For Leaf Spring Suspension~Will Fit Most Side Mount Fifth Wheel Hitch Applications Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure Does not fit cab and chassis applications
• Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure For Leaf Spring Suspension~Requires 9 in. Between Tire And Frame~Under Frame Kit~Will Fit Most Side Mount Fifth Wheel Hitch Applications
• With Internal Jounce Bumper Use w/5th Wheel Safely Run w/Zero Air Pressure Requires 9 in. Between Tire And Frame~Under Frame Kit~For Leaf Spring Suspension~Will Fit Most Side Mount Fifth Wheel Hitch Applications~Does Not Fit Cab And Chassis Requires 9 in. Between Tire And Frame~ Under Frame Kit~ For Leaf Spring Suspension~ Will Fit Most Side Mount Fifth Wheel Hitch Applications~ Drilling Required~ Install Time 2 Hr~ Does Not Fit Cab And Chassis Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure Adjustable
• Requires 9 inches between tire and frame Requires 9 in. Between Tire And Frame~Under Frame Kit~For Leaf Spring Suspension~Will Fit Most Side Mount Fifth Wheel Hitch Applications~Does Not Fit Cab And Chassis Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure Does not fit cab and chassis applications
• Rear; Adjustable; With Internal Jounce Bumper; Use w/5th Wheel; Safely Run w/Zero Air Pressure Does Not Fit Cab And Chassis~For Leaf Spring Suspension~Requires 9 in. Between Tire And Frame~Under Frame Kit~Will Fit Most Side Mount Fifth Wheel Hitch Applications

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-10-13 17:44:35

Product Overview

Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a comfortable and stress-free experience. For the ultimate ride comfort and protection, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. Perfectly engineered to fit the 2 lift, the LoadLifter 5000 Ultimate kit helps to eliminate problems frequently faced when towing and hauling, such as squat, poor headlight aim, trailer sway, body roll, and bottoming out. With the added stability that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI, your vehicle can be ready for any weight and any situation (Note: Do not exceed vehicle's gross vehicle weight rating (GVWR)). What sets the LoadLifter 5000 Ultimate apart from other air spring kits is the built-in internal jounce bumper. An Air Lift exclusive, the jounce bumper inside the air spring prevents bottoming out, eliminating squat and trailer sway, even on rough roads. This replaces the factory jounce bumper and it completely maintenance free, running safely with zero air pressure. This added feature makes the kit the ULTIMATE in ride comfort and protection. As experts in air suspension products for more than 70 years, Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality, longevity, and customer satisfaction, the key suspension components, including the air springs and all hardware, have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee, not to mention the Air Lift reputation for great customer service and technical support, you can purchase this kit with peace of mind.


Features and Benefits

  • Air Springs Fully Adjustable From 5-100 PSI Helping To Level Your Vehicle When Towing
  • Air springs fully adjustable from 5-100 PSI, helping to level your vehicle when towing or hauling a heavy load for a safe, comfortable ride with no sag or bottoming out
  • Some vehicle modifications required
  • Internal jounce bumper absorbs shock
  • Rugged durable components including air springs and all hardware
  • Easy to install with included instructions
  • Up to 5000 pounds of leveling capacity (Note: Do not exceed vehicle's GVWR)
  • Under frame kit designed to work with most in-bed hitches
  • Features Air Lift's Lifetime Warranty and 60 Day Ride Satisfaction Guarantee
  • Requires 9 inches between tire and frame
  • Does not fit cab and chassis applications
  • Up To 5000 Pounds Of Leveling Capacity
  • Under Frame Kit Designed To Work With Most In Bed Hitches
  • Features Air Lifts Lifetime Warranty And 60 Day Ride Satisfaction Guarantee

Product Details

Year Make
30L Dampers Included:No
Air Lines Included:Yes
Bellows Color:Black
Control Arms Included:No
Description:LoadLifter 5000 ULTIMATE Air Spring Kit
Drilling Required:Yes
Fittings Included:Yes
Front Sway Bar Links Included:No
Part Number:alf88390
Prop 65 - Short Label:California: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:Air Lift LoadLifter 5000 ULTIMATE with internal jounce bumper - 88390
WARNING CA Proposition 65 Message:California: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Suspension Leveling Kit

Data: v4.2 - Upd: 2026-10-10 18:33:17

Features

  • Air Springs Fully Adjustable From 5-100 PSI Helping To Level Your Vehicle When Towing
  • Air springs fully adjustable from 5-100 PSI, helping to level your vehicle when towing or hauling a heavy load for a safe, comfortable ride with no sag or bottoming out
  • Does not fit cab and chassis applications
  • Easy to install with included instructions
  • Features Air Lift's Lifetime Warranty and 60 Day Ride Satisfaction Guarantee
  • Features Air Lifts Lifetime Warranty And 60 Day Ride Satisfaction Guarantee
  • Internal jounce bumper absorbs shock
  • Requires 9 inches between tire and frame
  • Rugged durable components including air springs and all hardware
  • Some vehicle modifications required
  • Under Frame Kit Designed To Work With Most In Bed Hitches
  • Under frame kit designed to work with most in-bed hitches
  • Up To 5000 Pounds Of Leveling Capacity
  • Up to 5000 pounds of leveling capacity (Note: Do not exceed vehicle's GVWR)

Specifications

Air Springs, Load Lifter 5000 Ultimate, Rear, Ford, Kit

Air Lift LoadLifter 5000 Ultimate air spring kits feature an internal jounce bumper for maximum ride comfort. They use 2-ply reinforced commercial-grade bellows, which mount between the spring and frame and can be inflated from 5 to 100 psi—to level loads up to 5,000 lbs. on large pickups and vans, wreckers, ambulances, motorhomes, and commercial trucks. LoadLifter 5000 Ultimate kits include bellows, jounce bumpers, air lines, fittings, brackets, mounting hardware, and instructions. They're engineered for installation in about two hours. Order the kit designed for your make and model vehicle.

Product Attributes
UPC729199883903
BrandAir Lift
NotesDesigned to fit all applications without a fifth wheel hitch and will fit most side mount fifth wheel hitch applications. Does not fit cab and chassis applications.
QuantitySold as a kit.
Part TypeAir Spring Helper Kits
Ride HeightStock
Spring TypeLeaf
Product LineAir Lift LoadLifter 5000 Ultimate Air Spring Kits
Gauges IncludedNo
Maximum Safe Load5,000 lbs.
Raised Amount (in.)None
Lowered Amount (in.)None
Air Compressor IncludedNo
Leveling Switch IncludedNo
Manufacturer's Part Number88390

Manufacturer Attributes
Air Lines Included Yes
Bellows Color Black
Fittings Included Yes
Title Air Lift LoadLifter 5000 ULTIMATE with internal jounce bumper - 88390
Manufacturer Designation LoadLifter 5000 ULTIMATE Air Spring Kit
Product Class Suspension Leveling Kit
Construction/Type Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a breeze.
Product Outline Air springs fully adjustable from 5-100 PSI, helping to level your vehicle when towing or hauling a heavy load for a safe, comfortable ride with no sag or bottoming out
Does not fit cab and chassis applications
Some vehicle modifications required
Internal jounce bumper absorbs shock
Rugged durable components including air springs and all hardware
Easy to install with included instructions
Up to 5000 pounds of leveling capacity (Note: Do not exceed vehicle's GVWR)
Under frame kit designed to work with most in-bed hitches
Features Air Lift's Lifetime Warranty and 60 Day Ride Satisfaction Guarantee
Requires 9 inches between tire and frame
Vehicle Brief Air Lift 88390
Market Description Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate kit from Air Lift will make towing and hauling a comfortable and stress-free experience. For the ultimate ride comfort and protection, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. Perfectly engineered to fit the 2 lift, the LoadLifter 5000 Ultimate kit helps to eliminate problems frequently faced when towing and hauling, such as squat, poor headlight aim, trailer sway, body roll, and bottoming out. With the added stability that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI, your vehicle can be ready for any weight and any situation (Note: Do not exceed vehicle's gross vehicle weight rating (GVWR)). What sets the LoadLifter 5000 Ultimate apart from other air spring kits is the built-in internal jounce bumper. An Air Lift exclusive, the jounce bumper inside the air spring prevents bottoming out, eliminating squat and trailer sway, even on rough roads. This replaces the factory jounce bumper and it completely maintenance free, running safely with zero air pressure. This added feature makes the kit the ULTIMATE in ride comfort and protection. As experts in air suspension products for more than 70 years, Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality, longevity, and customer satisfaction, the key suspension components, including the air springs and all hardware, have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee, not to mention the Air Lift reputation for great customer service and technical support, you can purchase this kit with peace of mind.

Product Details

Year Make
30L Dampers Included:No
Air Lines Included:Yes
Bellows Color:Black
Control Arms Included:No
Description:LoadLifter 5000 ULTIMATE Air Spring Kit
Drilling Required:Yes
Fittings Included:Yes
Front Sway Bar Links Included:No
Part Number:alf88390
Prop 65 - Short Label:California: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:Air Lift LoadLifter 5000 ULTIMATE with internal jounce bumper - 88390
WARNING CA Proposition 65 Message:California: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Reference Information

Brand Name/s Air Lift
StreetFX SKU alf88390
SFX Item ID 4188435
Supplier Item Code 4188435
Manufacturer SKU 88390
Manufacturer UPC 729199883903
Alternative References AIR88390, ALT88390, F-250, 4WD

Compatibility

Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit for 99-04 Ford F-250 Super Duty 4WD
Year RangeMakeModelSubmodelsRegion
1999-2004 Ford F-250 Super Duty Lariat, XL, XLT, Harley-Davidson Edition, King Ranch US
1999-2004 Ford F-350 Super Duty Lariat, XL, XLT, King Ranch, Harley-Davidson Edition US

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

Detailed Compatibility


Application Data
UniversalNo
MakeFORD
ModelF-250 SUPER DUTY
SubmodelHARLEY-DAVIDSON EDITION
Beginning Year2004
Ending Year2004
Drivetrain4WD
Air Spring PositionRear
UniversalNo
MakeFORD
ModelF-250 SUPER DUTY
SubmodelKING RANCH
Beginning Year2004
Ending Year2004
Drivetrain4WD
Air Spring PositionRear
UniversalNo
MakeFORD
ModelF-250 SUPER DUTY
SubmodelLARIAT
Beginning Year1999
Ending Year2004
Drivetrain4WD
Air Spring PositionRear

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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