Best Self-Leveling Suspension Units of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 8, 2025

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Self-leveling suspension units are innovative devices that are designed to maintain a vehicle's ride height and stability regardless of the load it is carrying. These units are equipped with sensors that detect changes in the vehicle's weight distribution and adjust the suspension accordingly to prevent sagging or bouncing. Self-leveling suspension units are commonly used in luxury and commercial vehicles, where ride comfort and safety are essential. They offer a smoother ride, increased stability, and improved handling, making them an excellent investment for anyone looking to enhance their vehicle's performance.

At a Glance: Our Top Picks

Rein SCG0400 Suspension Self-Leveling Unit Hose Cover #TOP 1
Rein SCG0400 Suspension Self-Leveling Unit Hose
ftb score rating icon 9.9
REIN AUTOMOTIVE Suspension Self-Leveling Unit Hose Cover #TOP 2
REIN AUTOMOTIVE Suspension Self-Leveling Unit Hose
ftb score rating icon 9.8
Genuine Suspension Self-Leveling Unit 2209971082 Cover #TOP 3
Genuine Suspension Self-Leveling Unit 2209971082
ftb score rating icon 9.6

Top 10 Self-Leveling Suspension Units

#TOP 1

Rein SCG0400 Suspension Self-Leveling Unit Hose

SCG0400
Multi
Rein SCG0400 Suspension Self-Leveling Unit Hose Cover
Rein SCG0400 Suspension Self-Leveling Unit Hose

The Rein Suspension Hose is a direct-fit hose assembly designed to ensure the proper operation of the Active Body Control system in your vehicle. Made with OE rubber compound, this hose offers durability and reliability. The OE zinc alloy coated hose crimp ends, tubing, and end fittings provide a secure and leak-free connection. Additionally, the Rein Suspension Hose comes with OE mounting bracket(s) and sealing hardware, when required, for easy installation. With its high-quality construction and OE specifications, this hose is essential for maintaining the performance and safety of your vehicle's self-leveling suspension system.

What We Like
Durable
Reliable
Secure Connection
#TOP 2

REIN AUTOMOTIVE Suspension Self-Leveling Unit Hose

SCG0402
Multi
REIN AUTOMOTIVE Suspension Self-Leveling Unit Hose Cover
REIN AUTOMOTIVE Rein SCG0402 Suspension Self-Leveling Unit Hose

The REIN AUTOMOTIVE Rein SCG0402 Suspension Self-Leveling Unit Hose is a vehicle-specific direct-fit hose assembly that ensures proper operation of the Active Body Control system with OE rubber compound hose, zinc alloy coated hose crimp ends, tubing and end fittings, mounting bracket(s), and sealing hardware (when required). This product is useful for maintaining the correct suspension level of the vehicle and ensuring a smoother ride.

What We Like
Vehicle-specific direct-fit hose assembly
Uses OE rubber compound hose, zinc alloy coated hose crimp ends, tubing and end fittings, mounting bracket(s), and sealing hardware (when required)
Maintains the correct suspension level of the vehicle
#TOP 3

Genuine Suspension Self-Leveling Unit 2209971082

Genuine
2209971082
Genuine Suspension Self-Leveling Unit 2209971082 Cover
Genuine 2209971082 Suspension Self-Leveling Unit Line

The Genuine Self-Leveling Unit is designed to enhance your vehicle's suspension system. With a single quantity available, you can easily replace or upgrade your existing unit without the hassle of a core charge. Weighing just 1.87 lbs, this unit is lightweight, making installation straightforward and manageable. It falls under the category of self-leveling suspension units, ensuring that your vehicle maintains a balanced ride for better handling and comfort. This product is perfect for those looking to improve their vehicle's performance and stability.

What We Like
Lightweight design
No core charge
Easy installation
Improved vehicle stability
#TOP 4

Mercedes-Benz Genuine Suspension Filter

0031846101
Mercedes-Benz Genuine Suspension Filter Cover
Genuine 0031846101 suspension self-leveling unit filter

Mercedes-Benz Filter is a single quantity self-leveling suspension unit filter by Mercedes-Benz with no core charge requirement. Weighing only 0.16lbs, this filter is designed to enhance the performance of your self-leveling suspension unit. The absence of a core charge makes it hassle-free to replace. Its lightweight design ensures easy handling during installation. With this filter, you can maintain the optimal functionality of your Mercedes-Benz self-leveling suspension system effortlessly.

What We Like
Single Quantity
No Core Charge
Lightweight
#TOP 5

Genuine Suspension Self-Leveling Unit 2209978282

Genuine
2209978282
Genuine Suspension Self-Leveling Unit 2209978282 Cover
Genuine 2209978282 Suspension Self-Leveling Unit Line

The Genuine Self-Leveling Unit is designed to enhance your vehicle's suspension system. With a single unit included, you don't have to worry about additional core charges, making it a cost-effective choice. Weighing just 1.02 pounds, it is lightweight, which can contribute to better vehicle performance. This unit is perfect for those looking to maintain a stable and smooth ride, ensuring that your vehicle remains level even when carrying varying loads. Upgrade your suspension with this reliable component for improved handling and comfort.

What We Like
Cost-effective purchase
Lightweight design
Improves vehicle stability
Enhances ride comfort
#TOP 6

Rein SCG0401 Suspension Hose

SCG0401
Multi
Rein SCG0401 Suspension Hose Cover
Rein SCG0401 Suspension Self-Leveling Unit Hose

The Rein Suspension Hose is designed to keep your Active Body Control system functioning properly. This direct-fit hose assembly ensures a seamless installation, saving you time and effort. Made from original equipment (OE) rubber compound, it offers durability and reliability for your vehicle. Additionally, the hose features OE zinc alloy coated crimp ends, tubing, and fittings, providing excellent resistance against wear. With included mounting brackets and sealing hardware, if needed, you can be confident that your suspension system will operate smoothly and efficiently.

What We Like
Direct-fit installation
Durable OE rubber material
Corrosion-resistant crimp ends
Included mounting hardware
#TOP 7

Bilstein Self-Leveling Unit Bellows 40-148342

40-148342
Black
Bilstein Self-Leveling Unit Bellows 40-148342 Cover
Bilstein 40-148342 Suspension Self-Leveling Unit Bellows

The Bilstein Self-Leveling Unit is designed to enhance your vehicle's suspension system. This unit is sold as a single piece, making it easy to upgrade without needing to buy multiple components. You won't have to deal with a core charge, which simplifies the purchasing process. Weighing just 6.4 pounds, it adds minimal extra weight to your vehicle, ensuring you maintain optimal performance. This self-leveling suspension unit is perfect for ensuring your ride remains smooth and stable, providing you with a comfortable driving experience.

What We Like
Easy single purchase
No core charge
Lightweight design
Improves ride stability
#TOP 8

Rein Automotive SCG0403 Suspension Unit

SCG0403
Multi
Rein Automotive SCG0403 Suspension Unit Cover
Rein Automotive SCG0403 Suspension Self-Leveling Unit Line

The Rein SCG0403 Suspension Unit is designed to ensure that your vehicle's Active Body Control system operates smoothly. This direct-fit assembly makes installation a breeze, allowing you to save time and effort. It features high-quality zinc alloy coated tubing and end fittings, which enhance durability and corrosion resistance. Additionally, the unit comes with OE mounting brackets and necessary sealing hardware, ensuring that all components fit perfectly. By using this suspension unit, you can enjoy a more stable and comfortable driving experience, knowing that your vehicle is equipped with reliable parts.

What We Like
Easy installation
Durable materials
Perfect fit
Enhances driving stability
#TOP 9

PartCatalog Suspension Hose for S350

PartCatalog
PC-466274
PartCatalog Suspension Hose for S350 Cover
Suspension Self-Leveling Valve (Front) To Tee Suspension Self-Leveling Unit Hose Compatible With Mercedes-Benz S350 3.7L V6 2006 PC-466274

The PartCatalog Suspension Hose is a must-have for your Mercedes-Benz S350. This high-quality replacement hose is designed to fit seamlessly with your vehicle's suspension self-leveling valve, ensuring you enjoy optimal performance. It offers a direct replacement, meaning you won't have to worry about complicated installations or adjustments. Plus, it meets or even exceeds the standards of your original parts, giving you peace of mind. Make sure to check the compatibility specifications to ensure a perfect fit for your vehicle. With this hose, you can maintain the smooth ride quality you expect from your luxury car.

What We Like
High-quality replacement
Easy installation
Perfect compatibility
Optimal performance
#TOP 10

Genuine Self-Leveling Suspension Unit

Genuine
37126755021
Genuine Self-Leveling Suspension Unit Cover
Genuine 37126755021 - Rear Driver Side Suspension Self-Leveling Unit Accumulator

The Genuine Suspension Self-Leveling Unit is engineered for reliable and steady performance, ensuring your vehicle maintains its optimal ride height. This product is tailored to fit your specific vehicle and lifestyle, providing peace of mind while driving. Made from premium materials, it offers exceptional durability, so you can trust it to withstand the rigors of daily use. Additionally, it is manufactured under strict quality standards, ensuring you receive a product that meets high expectations. If you have any questions about fitment, help is readily available for your convenience.

What We Like
Consistent performance
Durable materials
Quality assurance
Vehicle-specific fit
Buying Guide Image
Editor's Notes

During our self-leveling suspension unit research, we found 24 self-leveling suspension unit products and shortlisted 10 quality products. We collected and analyzed 3,006 customer reviews through our big data system to write the self-leveling suspension units list. We found that most customers choose self-leveling suspension units with an average price of $193.94.

The self-leveling suspension units are available for purchase. We have researched hundreds of brands and picked the top brands of self-leveling suspension units, including REIN AUTOMOTIVE, Genuine, Mercedes-Benz, Bilstein, PartCatalog. The seller of top 1 product has received honest feedback from 2,730 consumers with an average rating of 4.5.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.