Now that the UK has left the EU, there may be Customs charges applied to your order that will need to be paid before it can be delivered. Please be ready to pay these fees promptly to avoid your order being returned to us. Any orders returned to us that you would like resent will include an additional shipping charge.

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The colour of our parts can sometimes vary. If you are looking for a specific colour, please email us BEFORE placing the order so we can check stock for you.

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Mr Injector UK - Petrol Injector Servicing, Cleaning & Diagnostics, Also Historic Restoration.
116 Google Reviews
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Tony Harkett
March 19, 2025
Outstanding service on my 40+ year old injectors. Very helpfull and all as promised plus a very informative written report. Highly recommended.
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Steve Webb
March 12, 2025
Super fast turnaround and great communication. Datasheet shows everything carried out and will use again if needed!
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my way I did it !
March 8, 2025
I had 2 kits from Mr Injector , arrived very rapidly- Thankyou - , the seals and baskets fitted perfectly. My car is running really sweetly again. I did the DIY nozzle check with spray cans of carb cleaner , and a sonic bath . Found 2 to be leaking , but I had spares . Tested all used the best 6 . Really happy .Great availability if products and specialist knowledge. Thanks Again . X300 XJ6 1997 KIT 15 BLUE SEALS AND BROWN MICRO FILTER BASKETS. WD40 EASES THE PULLING OUT - TOP TIP !!!
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D M
March 5, 2025
Great service, delivered exactly what and when they promised. Can’t fault, thanks.
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Joe Mack
March 3, 2025
Extremely helpful, helped me identify what seal kit I needed for my vehicle and the delivery was very fast ! Couldn't recommend enough!!
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Jim Spillings
February 18, 2025
I don't think I have ever described any company as a 'Class Act' but this guy deserves this accolade for sure. Communication from before sending in the injections through to the detailed report and despatch details was excellent and honest. Thanks James & Sian.
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D W
February 11, 2025
Great communication, helpful when encountering issues and process is both easy and efficient. Wish I had used the service before I found out the painful way my injectors were duff! Back on track now, thanks!
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stephen brough
February 2, 2025
Excellent hassle free service. Serviced 6 forty year old Bosch petrol injectors and all working well.