Tuff Country 40003 4" Rear Air Bags Spacer Kit - Tapered
Tuff Country
40003
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Tuff Country 40003 4" Rear Air Bags Spacer Kit - Tapered
Product Details
Description
Designed by Tuff Country and built on EZ-Ride Concept’s Lift-Rite air bag spacer approach, the 4" Rear Air Bags Spacer Kit (Tapered) lets lifted trucks run air bag helper springs with a straightforward, tool-friendly install. It’s specifically compatible with Chevy Silverado 2500HD / 3500 4WD and GMC Sierra 2500HD / 3500 4WD equipped with Air Lift 57275, delivering improved rear support for heavier loads and towing.
- Height: 4" rear air bag spacers to restore level stance on lifted trucks
- Material: 1/8" reinforced tubing for durability in demanding on- and off-road use
- Compatibility: Designed to fit Firestone and Air Lift air bag systems, with specific fitment for Air Lift 57275
- Tapered design: Includes tapered spacers for vehicles with tapered lift blocks to ensure proper seating
- Easy installation: Quick mounting to existing air bags using common hand tools
- Complete hardware: Includes all required bolts, washers, and spacers for secure mounting
- Vehicle fitment: Applicable to 2001–2010 Chevy Silverado 2500HD/3500 4WD and 2001–2010 GMC Sierra 2500HD/3500 4WD with Air Lift 57275
This spacer kit helps you maintain a balanced rear suspension under load, improving stability, ride quality, and control when towing or carrying heavy cargo. The tapered option ensures compatibility with vehicles that use tapered lift blocks, preserving smooth operation and avoiding abrupt suspension changes. With the robust 1/8" tubing and purpose-built hardware, you gain a reliable, long-lasting solution that integrates seamlessly with your existing air bag setup and lifting configuration.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2001–2010 | Chevy | Silverado 2500HD | 4WD | with Air Lift 57275 Only |
| 2001–2010 | Chevy | Silverado 3500 | 4WD | with Air Lift 57275 Only |
| 2001–2010 | GMC | Sierra 2500HD | 4WD | with Air Lift 57275 Only |
| 2001–2010 | GMC | Sierra 3500 | 4WD | with Air Lift 57275 Only |
Specifications:
FAQs
Please read our FAQs page to find out more.
Will this part fit my vehicle?
Fitment varies by year, make, model, drivetrain, and lift height. Always use the vehicle fitment selector or refer to the fitment notes on the product page before purchasing. If you’re unsure, our team can help confirm compatibility.
Are Tuff Country products street legal?
Most Tuff Country products are designed for on-road and off-road use, but local laws and regulations vary by state and country. It is the customer’s responsibility to ensure compliance with local vehicle regulations after installation.
Is professional installation required?
Professional installation is recommended but not required. Many products can be installed by experienced DIYers with proper tools. However, improper installation can affect ride quality, safety, and warranty coverage.
Will this affect my ride quality?
Tuff Country products are engineered to balance ride comfort, performance, and durability. Ride quality can change depending on lift height, vehicle setup, tire size, and other suspension components.
Are Tuff Country products covered by a warranty?
Yes. Tuff Country products are backed by a manufacturer warranty that covers defects in materials and workmanship. Warranty terms vary by product type and do not cover damage caused by misuse, improper installation, or normal wear.
Can I run larger tires with this product?
Many Tuff Country lift kits and suspension components allow for larger tire sizes, but maximum tire clearance depends on wheel offset, tire width, and vehicle configuration. Refer to the product details or contact support for guidance.
What is the return policy?
Unused, uninstalled products may be eligible for return within the stated return window. Items must be in new condition and returned in original packaging. Shipping costs and restocking fees may apply.
Who can I contact if I have questions?
Our customer support team is available to help with fitment questions, installation guidance, and order support. Reach out before purchasing if you want to ensure you’re selecting the right part for your build.
Free shipping on Orders Over $75
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Selling Suspension Systems for 35+ Years
Tuff Country EZ-Ride Suspension was incorporated over 35 years ago, realizing the desperate need for quality suspension products in the after market world.