Ford Engine Timing Tools

GDI Teflon Seal Installer
GDI Teflon Seal Installer
GDI Teflon Seal Installer

AST5158

GDI Teflon Seal Installer

AST5158  is used to correctly install and re-size a new Teflon seal to the injector pintle shaft without damaging the seal or the injector. This tool enables the Teflon seal to be pushed over the injector nozzle and into the groove of the injector pintle shaft. Once the Teflon seal has been fitted, AST5158 allows for the correct re-sizing of the seal prior to the injector being installed.


  • Enables correct installation of the Teflon seal
  • Facilitates the correct re-sizing of the seal prior to the injector being installed
  • Avoids damage to seal or injector
  • Suitable for a wide range of Ford Duratec / EcoBoost engines and Volvo 1.6 GTDi engines
  • Equivalent to OE references  310-128 and 999 7410


Typical Applications include:

Ford -  1.0 Duratec-GDi, 1.8 Duratec-SCi, 2.0 Duratec-HE, 1.0/1.5/1.6/2.0/2.3 EcoBoost

Volvo - 1.6 GTDi

Alternative Tool Option:

AST5155

Petrol 1.2 / 1.5 / 1.6 (Belt) Ti-VCT & EcoBoost Engine Setting / Locking Tool Kit - Ford - Volvo
Petrol 1.2 / 1.5 / 1.6 (Belt) Ti-VCT & EcoBoost Engine Setting / Locking Tool Kit - Ford - Volvo

OEM tool codes included in this kit:

  • 310-128
  • 999 7410

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