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A semi air suspension system transforms how a vehicle rides and handles. But a system you cannot easily adjust is a system that cannot reach its full potential. The conditions you drive in change, the loads you carry change, and your suspension needs to respond to all of it. That is exactly what the Air Master Controller is built for.
The Air Master Controller is a control unit developed by MAD and supplied by Glide-Rite as part of their pressure-regulated semi air suspension systems. It gives drivers direct, manual control over their air suspension from inside the cab, without needing to stop the vehicle, check pressures manually or rely on fixed settings that may not suit the current load or road conditions.
The controller can be mounted wherever suits the driver best, not just on the dashboard, making it genuinely accessible regardless of how the cab is configured.
Most standard suspension systems are designed for an average load and set of conditions. In practice, neither of those things stays constant. A motorhome loaded for a long trip sits very differently from one setting off with a light load. A wheelchair-accessible vehicle carrying one passenger handles differently from one carrying several. A recovery vehicle returning unladen is a different proposition from one towing a heavy casualty vehicle.
When suspension cannot be adjusted to account for these differences, the vehicle rides too stiffly, too softly, or unevenly, all of which affect comfort, stability, and handling. The Air Master Controller removes that limitation entirely.
One of the most practical features of the Air Master Controller is its ability to adjust the left and right sides of the suspension independently. This matters because real-world loads are rarely perfectly balanced. Water tanks, luggage, equipment and passengers all sit where they sit, and the vehicle has to cope with whatever weight distribution that creates.
Being able to compensate for an uneven load by adjusting each side independently means the vehicle stays level and stable rather than sitting or driving with a lean. The result is better handling, more even tyre wear and a noticeably more comfortable experience for everyone on board.
Complexity in a control system is a problem, not a feature. The Air Master Controller has been designed around an intuitive interface that allows quick adjustments without distracting the driver or requiring any technical knowledge to operate. The controls are clear, the response is immediate, and the system is straightforward to use from day one.
The controller also features a cyber-safe communication design. For a system that interfaces electronically with safety-critical suspension components, secure and reliable communication between the controller and the suspension is not a minor detail. It is a fundamental requirement and built in as standard.
The Air Master Controller is compatible with a wide range of vehicles across both leisure and commercial applications. On the vehicle application side, it is suited to: Motorhomes, Campervans, Light commercial vehicles, Wheelchair access vehicles, Ambulances and patient transport vehicles, Recovery vehicles
On the manufacturer side, it is compatible across Peugeot, Iveco, Mercedes, Ford, Fiat and Volkswagen base vehicles, covering the majority of van and light commercial platforms used across these sectors. Glide-Rite will advise on the right configuration for your specific vehicle and setup.
The Air Master Controller uses a plug-and-play design, which means installation is clean, straightforward and does not require complex rewiring or extended downtime. Once fitted, the system is designed for long-term reliability with no ongoing maintenance required. It simply works, every time you need it.
Glide-Rite has been supplying advanced suspension solutions since 1997. Our experience across motorhomes, campervans, light commercial vehicles and specialist vehicles means we understand how suspension systems should perform in real-world conditions.
The Air Master Controller has been developed to complement Glide-Rite’s proven semi air suspension systems, providing precise control through a simple and reliable interface. Every installation is completed by experienced technicians, ensuring the system performs exactly as intended.
Speak to the Glide-Rite team
If you would like to learn more about the Air Master Controller or discuss how it could work with your vehicle’s suspension, we are here to help.
Call: 0151 638 8002
Email: info@glide-rite.com
Or use the enquiry form on the website







Posted on Google Andrew PritchardTrustindex verifies that the original source of the review is Google. A very happy customer having just had rear air assist fitted to our Le Voyageur motorhome, by the team at Glide Rite. From the initial contact with David, all through the booking process and then on the day of fitting this week, everything was professionally handled. Much appreciated was the ability to park outside overnight, complete with hook up, security lights and CCTV, and then the generous use of a courtesy car whilst my installation was done. A great job, and glad to have decided on the day to upgrade to the Air Master Controller, looks great in our Mercedes cab 😁Posted on Google bikerarthur27Trustindex verifies that the original source of the review is Google. The whole process of adding semi air suspension from start to finish was completely stress free; cannot recommend this company highly enough. Was able to stop overnight as had travelled along distance from the Midlands, 3 hours journey. Electric hook up available which was great as the temperature went down to freezing overnight.Posted on Google Peter CliffordTrustindex verifies that the original source of the review is Google. Had air suspension fitted to my Bailey Adamo and very impressed with the system. Extremely impressed by the level of service and support, communication and general ethos of the company. Highly recommended.Posted on Google Sally ChattingTrustindex verifies that the original source of the review is Google. What can I say.... cannot fault the excellent product - semi air suspension and upgraded front springs on Rapido 8096DF....rides like a dream and levels her out a treat. More to the point, David and Carl are the business.... professional, helpful and friendly and couldn't do more. We stayed outside the night before, free electric hook up, free use of courtesy car and a lift to and from the ferry for our sightseeing in Liverpool whilst they completed the work. Top of our list for any future work. Give them a go, you will not regret it! Thanks team Glide Rite!Posted on Google jefferson lord (skycamuk)Trustindex verifies that the original source of the review is Google. Fantastic company, they fitted rear air suspension to my adamo 75-4DL. No fuss no drama , great price and completed in the dayPosted on Google Abelard SnazzTrustindex verifies that the original source of the review is Google. This company is one of the best I've ever had the pleasure of dealing with all the staff are courteous, knowledgeable and can't do enough to help you. I had the semi air suspension fitted and what a difference it made, it should be mandatory on any camper conversion. The van now handles like it should instead of trying to steer a brick. A big thank you to all the team at glide-rite. John.Posted on Google Tina MaloneTrustindex verifies that the original source of the review is Google. From the first contact with Glide-Rite their professionalism was apparent. David and Carl were both extremely helpful and friendly, even giving us a lift to the train station. We had semi-air suspension fitted to our 2008 Hymer A class motor home and new front springs. The difference this made to the drive and stability of the vehicle was incredible. First class professional workmanship, so glad we had this job done many thanks to Dave and Carl at Glide-Rite. Excellent service, definitely recommend this company.Posted on Google Chris BruneyTrustindex verifies that the original source of the review is Google. Edit Nov 2025 I wanted to leave this follow-up review for Carl, David, Alan and the team at Glide-Rite. After having a levelling system fitted almost 18 months ago and then my semi-air suspension 6 months ago, we took our motorhome on an epic journey across Europe, fully laden with everything you need for a long trip (including a motorcycle). Both systems were transformational and gave us speed and comfort on almost every kind of terrain – incredible investments that massively enhanced our experience. While the initial installations were flawless, what truly amazed me was the after-sales service. I had an issue – most likely my mistake – and Carl had also promised a component upgrade last year. It would have been so easy to fob me off, but even after 18 months he treated me no differently to the first time we met: as a valued customer. I’m just staggered! Today they spent almost three hours completing the work and made me comfortable in their office while I waited. The work was completed to a very high standard, and they even replaced a component I had damaged – all free of charge. So when you’re shopping around for cheaper prices, please remember: there are still companies in the UK that remember what proper customer service looks like – Glide-Rite is at the top of the list! ///////////////////////////////////////////// Outstanding customer service end-to-end! From the very first enquiry of our HPC Self Levelling System, to the chauffeur collection at the train station after fitting, this team have been simply amazing. First class, secure facilities and top-notch workmanship where attention to detail is unrivalled. Really happy to recommend Carl, David, Alan and will definitely be back for the air suspension in the future!Posted on Google David WardTrustindex verifies that the original source of the review is Google. I can honestly say say that there aren’t many companies nowadays that offer the high level of customer service and satisfaction that Glide Rite do. We travelled from Yorkshire to have rear air suspension fitted and was really impressed with our experience! We were allowed to park up our motor home with free electric hook up and stay over night as our job was booked in for the next day. On top of this we were offered the use of a practically new courtesy car with a full tank of fuel to spend the day site seeing around Liverpool. Carl is the nicest and most professional man and he made us feel so valued. 💯% prefect thank you so much 👍🏼 would highly recommend to anyonePosted on Google Richard CooperTrustindex verifies that the original source of the review is Google. Excellent customer service from start to finish. We had semi air suspension and hydraulic levelling fitted. Extremely pleased with the professional job and the difference it has made to the ride. Thank you David and the team. Would highly recommend 👌 Best regards Richard