Merlin Diesel Systems
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Merlin Diesel Systems Ltd is one of the world’s leading aftermarket suppliers of diesel fuel injection.
We have over 75 years of experience in the diesel fuel injection industry and distribute to more than 100 countries worldwide.
Have you seen our EUI cap nut tool for Delphi EUI?
New to range, this tool is revolutionary if you work on Delphi E1, E3 & F2E Euro 6 injectors as a replacement for the Hartridge NTA4960 Cap Nut Clamp.
Standard process time is reduced by over 50%, taking just under 15 seconds to complete.
View our speed test below!
25/09/2026
Today we held our Macmillan Coffee Morning, with plenty of our Merlin crew putting their baking skills to the test and bringing in some brilliant homemade treats!
A huge thank you to everyone who baked, donated and got involved, all in support of a fantastic cause!
We’ll be revealing how much we raised next week, so keep an eye out!
18/09/2026
🏆 The Merlin Masters has its champion! 🏆
A huge congratulations to Jack Ashcroft, who took 1st place at our annual Merlin Masters Golf Tournament, proudly sponsored by DENSO!
Gabriel Dowthwaite secured 2nd place, with Andrew Ashcroft finishing 3rd.
Congratulations to our winners and a big thank you to everyone who took part! ⛳🏌
02/09/2026
Don’t miss out on your chance to visit us at SMM Hamburg!
Craig and Mike are in Hall A4 - Stand 421 until the 4th of September
Come and say hello!
# Hamburg
Introducing the MDS215…
After months of work, our newest test stand is here
Designed to deliver fast, accurate common rail injector diagnostics, this bench covers all-makes including Bosch, DENSO, Delphi, VDO, Scania Cummins XPI and CAT/Perkins
And did we mention it’s single phase…
For a limited time we’re offering this bench at a massively reduced price of £12,000 (That’s 35% off RRP!)
For more information, contact [email protected]
31/08/2026
It’s the show everyone’s been waiting for…
Automechanika Frankfurt 2026!
We’ll be exhibiting for the full show and we can’t wait to get started
All the details are below
See you there!
New to Merlin Test Equipment…
Coming soon
26/08/2026
This is your reminder for our next tradeshow…
SMM Hamburg!
Check out the details below
21/08/2026
Next up on our tradeshow calendar… SMM Hamburg!
Check out the details below
28/06/2026
It’s your last chance!
Our incredible DENSO sponsored World cup competition ends today!
But don’t worry, you still have a chance to enter…
Just drop your world cup winner prediction in the comments for the chance to win a Nintendo Switch 2 and official FC 26 game… Good luck!
Click here to claim your Sponsored Listing.
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Address
Preston
PR58AJ
Opening Hours
| Monday | 8:30am - 5pm |
| Tuesday | 8:30am - 5pm |
| Wednesday | 8:30am - 5pm |
| Thursday | 8:30am - 5pm |
| Friday | 8:30am - 5pm |
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