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Since 2007- Proud vendor on NASIOC: The largest Subaru Impreza community in the world!


KTC 17mm Transmission Socket (AC301-17)
$28.00 Shipped (CURRENTLY OUT OF STOCK!)
(U.S. only! For international pricing, please contact us!)
With the four-sided filler plugs on 240SX transmissions, it's inadvisable to use a box or open end wrench to torque or loosen as it may strip the plug (we know from first hand experience!). Now we use nothing but the KTC 17mm Transmission Socket to handle our filler plug needs.

* Not for use with impact equipment

Part # AC301-17

Key Features:

  • Made in Japan and OE certified
  • Tool used by many Japanese service departments, technicians and enthusiasts alike
  • Proper tool that eliminates stripping the filler plug when using box or open ended wrenches
  • Lifetime Warranty

Fitment Guide:


  • S13 1989-1994 240SX transmission filler plugs
  • S14 1995-1998 240SX transmission filler plugs
  • Other period Nissan FR manual transmissions


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KTC 13mm Socket for Nissan Differentials


Save and buy both diff and tranny sockets at our Combos page!