Does this come with the air pump and everything you need to be able to put air in the bags?

Nope this is just the spring kit, you need to order the complete kit with pump or have your own, This works find if you want to use a compresser, it works as standalone bags that can be filled by a compressor with no added hardware.

Does this mount over the leaf springs

The 57204 mounts from the frame to the axle. It does not mount on the leaf springs.

Does this kit fit 2021 Silverado 2500hd

Unfortunately this is not the correct kit for your vehicle. If your 2500HD is 4-wheel-drive, the correct Air Lift part # for your vehicle is 57341.

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Air Lift 57204 LoadLifter 5000 Air Spring Suspension Kit

Product ID: 6419397

Details

Auto Part Position
Rear
Brand
Air Lift
Material
Air Springs
Unit Count
1 Count

🔧Easy install with vehicle-specific fit

⚖️5,000 lbs load-leveling capacity

🎚️Adjustable air pressure 5–100 PSI

€ 970.32

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Description

🚛 Elevate your haul game—ride level, ride legendary.

MASTER YOUR LOAD - Supports up to 5,000 lbs to eliminate sag and squat under heavy towing.
TAILOR YOUR RIDE - Adjust air pressure from 5 to 100 PSI for perfect balance between comfort and control.
DRIVE CONFIDENTLY - Reduces bounce, sway, and body roll for superior stability and safer handling.
PLUG PLAY UPGRADE - Precision-fit kit installs using existing frame holes—no drilling required.
SMART COMPATIBILITY - Works seamlessly with Air Lift compressors and wireless controllers for on-the-fly adjustments.

The Air Lift 57204 LoadLifter 5000 is a heavy-duty air spring suspension kit designed for 2007-2018 Silverado and Sierra trucks. It offers up to 5,000 lbs of load-leveling capacity, adjustable air pressure from 5 to 100 PSI, and improves ride quality by reducing sag, sway, and body roll. Easy to install with vehicle-specific brackets and compatible with Air Lift’s compressor systems, it ensures safer towing, enhanced stability, and a smoother driving experience under heavy loads.

Specifications

ASIN	B00IX0CTBW
Auto Part Position	Rear
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#150,421 in Automotive ( See Top 100 in Automotive ) #137 in Automotive Replacement Air Suspension Kits
Brand Name	Air Lift
Customer Reviews	4.7 4.7 out of 5 stars (1,250)
Global Trade Identification Number	00729199572043
Included Components	2 Air springs, All necessary mounting brackets, All hardware needed for installation, Fully-illustrated installation guide
Item Highlight	Compatible with 2007-2018 Chevrolet Silverado/GMC Sierra 1500 2WD/4WD with 69.3" and 78.7" beds
Item Type Name	Air Suspension Kit
Item Weight	24.2 pounds
Manufacturer	Air Lift
Manufacturer Part Number	57204
Manufacturer Warranty Description	Limited Lifetime
Material Type	Air Springs
Model Number	57204
Number of Items	1
Set Name	LoadLifter 5000 Air Suspension Kit
UPC	729199572043
Unit Count	1 Count

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€ 970.32

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to GERMANY.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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