The leading supplier of Cooling, Heating & Air Conditioning Products

Grayson Thermal Systems design, manufacture, and supply engine cooling, heating, and air conditioning products to commercial vehicle and specialist vehicle industries worldwide.

A proud UK manufacturer, Grayson works in partnership with our customers to develop innovative ways for them to improve vehicle performance and reliability.

Formed in 1978, we remain a privately owned, family business. Exceptional staff within the organisation ensure the core beliefs that have led to our success remain at the heart of our business operations.

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technical sales +44 (0)121 700 5610 general enquiries +44 (0)121 700 5600

Product Highlight

Summer Savings CV Radiators

Do you need CV Radiators? Look no further. We have a special summer offer now on – You can make great savings against our original trade price. You could save up to 67% on trade price! Mix and match 5 or 10 radiators with brands on offer including DAF, Scania, Volvo, Mercedes, Renault, Iveco and MAN Radiators. Special promotional price while stocks last.  Download our full list of Radiator offers below.

Latest News

Electric Water Pump Run Dry Protection

Our Grayson Electric Water Pump is the best performing pump on the market and it now comes with run dry protection. Many of our Grayson customers have asked the question “Can you run your pump dry?” and it’s NO. Our pump, along ...


Products in Our Range
Products in Our Range
Alexander Dennis
DAF Truck
Dennis Eagle
Douglas Equip
Iveco Truck
MAN Truck
Mercedes / Evobus
Mercedes Truck
New Flyer
Nova Bus
Scania Bus
Scania Truck
Van Hool
Volvo Bus
Volvo Truck
Wright Bus