Our M20 x 1.5 to 1/8NPT Adapter will allow the use of aftermarket temperature sensors that have 1/8NPT threads. Our aftermarket oil pan includes one OEM plug port, that can be used with this adapter, and a 1/2NPT port. This adapter can also be used with OEM oil pans. Measure the oil temperature where it should be, in the pan!


  • CNC Machined from Billet Stainless Steel
  • M20 x 1.5 Male Threads
  • 1/8PT (BSPT) Female Threads
  • Copper Washer Included
  • Made in the USA


2004-2018 STi, 2002-2014 WRX, 2004-2013 Forester XT, 2004-2009 Outback XT, 2004-2009 Legacy GT

 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Killer B Motorsport

Killer B Oil Temperature Sensor Adapter OEM to 1/8NPT

  • Sale
  • Regular price $28.00