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  • Welcome to Mr Injector UK... same business, new website!

    - Dedicated 40 years’ experience in the automotive industry

    - 30 years specialising in petrol injector diagnostics

           - One of the oldest established Asnu testing & service facilities

    - Re-conditioned serviced injectors available

    - New injector sales

    - Petrol injector service kits available

    - Seals, pintle caps & filters in stock

    - Your injectors cleaned, flow tested and serviced to perfection

    - ASNU Road Race & Track high performance injectors

    - Race engine fuel injector balance & calibration testing

Injector Servicing

Our Hertfordshire facility covers all UK mainland.

Standard port, high pressure (GDI, FSI, etc), BMW / Mercedes Piezo & side feed injector servicing. Also historic restoration of injectors from the 1960s onwards.

Automobile / marine / motorcycle.

Report provided after service detailing the findings.

(+44) 07950 281293


Injectors sent to: 5 Linwood Road, Ware, Herts, SG12 7JQ


Book a Service

Overhaul Kits

Mr Injector UK carries the largest range of pre-packed petrol fuel injector overhaul kits posted anywhere in the world.

Filters, seals, pintle caps and hoses all in stock.

All seal kits are now dispatched by Master Injector UK.

Please click below or select your vehicle from the menu above.

All Overhaul Kits