Any part.
Any service.
Any make.
Any time.


AD24 is your world-class, market-leading bus and coach aftermarket support from Alexander Dennis.
With AD24, Alexander Dennis is right at your side to keep the wheels of your buses and coaches turning. We are industry leaders in supporting conventional, low-emission and zero-emission vehicles.
Our people put a diverse range of talent, built on industry knowledge and experience, at your service.
The AD24 website is part of our investment in the latest systems and technologies and a truly global distribution chain. Whatever you need, we’re the people who can help to make your fleet more efficient and cost-effective than ever.

Parts
AD24 is your personalised online parts and support service that makes it easier and quicker for you to get all the parts and support you need.
Order parts
Field support
When you’re on the road and you need expert assistance, AD24 field service engineers will be there, fast.
Request support
Workshops
From minor repairs to extensive rebuilds or refurbishments that extend the life of your vehicles, AD24 workshops are here to provide expert and cost-effective help.
Book a service
Training Academy
Your technicians benefit from in-depth, high quality technical training for every aspect of vehicle maintenance with IMI approved courses.
View our training
Technical Publications
Whatever you need to know, AD24 technical publications have the answer. Get instant access to parts information, service manuals and driver guides at any time.
Find your information
AD Connect
Our cutting-edge AD Connect vehicle telematics system provides you with the tools to ensure your vehicles always perform at their best.
Connect your fleet