Engine Test Equipment

AST3246A

Diesel Injector / Injector Seal Removal Kit

AST3246A   comprises a slide hammer assembly and adaptors for connection on to top entry injectors, plus an adjustable connector and adaptors for side entry injectors where an electrical socket prevents connection directly on to the top of the injector. AST3246A also includes a tool for removing copper injector seals from the cylinder head.


  • Removal of clamp-type diesel injectors
  • Top and side fuel entry
  • No need to disassemble the electronic connections at the head of the injector
  • Also removes copper injector seals from the cylinder head
  • Expands application of the popular AST3246 Injector Removal Kit to include injectors with electrical connectors mounted at the top of the injector


Kit Contents / Spares:

  • AST3246-1        Hammer Shaft
  • AST3246-2        Hammer Stop
  • AST3246-3        Hammer Weight
  • AST3246-4        M22 x 1.5 Adaptor
  • AST3246-5        M21 x 1.5 Adaptor
  • AST3246A-6     M14 x 1.5 Adaptor
  • AST3246A-7      M12 x 1.5 Adaptor
  • AST3246-8        M8 x 1.5 Male Adaptor
  • AST3246A-9      Injector Seal Extractor
  • AST3246A-10    Knuckle Joint
  • AST3246A-11     Knuckle Joint Retainer


With this kit you may also need:

Diesel Injector Seat Cutter Set - BMW, PSA, Fiat, Mercedes, Renault,  VAG, Vauxhall/Opel
AST6125

Diesel Injector Seat Cutter Set - BMW, PSA, Fiat, Mercedes, Renault, VAG, Vauxhall/Opel

AST6125 Diesel Injector Seat Cutter Set provides a reliable method of removing carbon build-up and reworking the seating face of the cylinder head to ensure that the injectors can be correctly installed.


AST6125 comprises:

Dummy injector post with guide nozzle for accurate alignment of the cuttter

T-bar handle for controlled rotation of the cutter during the cleaning/reworking operation

4 seat cutting bits covering common injector sizes and seat forms:

        - 15mm flat cutter, 19mm body diameter

        - 17mm flat cutter, 17mm body diameter

        - 17mm flat cutter, 19mm body diameter

        - 17mm angled cutter, 21mm body diameter


Typical applications include:

Audi, BMW, Citroën, Fiat, Mercedes-Benz, Nissan, Opel, Peugeot, Renault, Seat, Skoda, Vauxhall, Volkswagen


Individual parts within the set:

    •   AST6125-1     Dummy Injector

    •   AST6125-2    T-bar Handle

    •   AST6125-3    Cutter - 15mm flat x 19mm body

    •   AST6125-4    Cutter - 17mm flat x 17mm body

    •   AST6125-5    Cutter - 17mm flat x 19mm body

    •   AST6125-6    Cutter - 17mm angled x 17mm body

Diesel Injector Seat Cutter Set - BMW, PSA, Fiat, Mercedes, Renault,  VAG, Vauxhall/Opel

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