Acura Honda OEM

Genuine OEM Honda Acura Manual Transmission Speed Sensor O-Ring 06-21 Civic | 03-17 Accord | 04-14 TSX

Genuine OEM Honda/Acura Speed Sensor O-ring for manual-transmission Accord, Civic, TL, and TSX applications. Part number 91309-PX4-003. Sold individually.

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Genuine OEM Honda Acura Manual Transmission Speed Sensor O-Ring

Replace a worn, flattened, damaged, or leaking transmission speed sensor seal with this Genuine OEM Honda/Acura O-ring.

Honda part number 91309-PX4-003 is a 16 × 2.1mm NOK O-ring used to seal the transmission speed sensor on select Honda and Acura manual-transmission applications.

Some V6 applications use two transmission speed sensors and require two O-rings. This listing includes one O-ring unless otherwise stated.

Product Details

  • Genuine OEM Honda/Acura replacement part
  • Part number: 91309-PX4-003
  • Honda description: O-Ring (16 × 2.1) (NOK)
  • Used to seal the manual transmission speed sensor
  • Helps prevent transmission-fluid leakage around the sensor
  • Sold individually
  • Made in Japan

Vehicle Fitment

Honda Fitment (Manual Transmission)

  • 2003-2007 Accord 2.4L 
  • 2003-2007 Accord V6 (require 2)
  • 2008-2012 Accord 2.4L 
  • 2008-2012 Accord V6 (require 2)
  • 2013-2017 Accord 2.4L
  • 2013-2017 Accord V6 (require 2)
  • 2006-2011 Civic EX LX
  • 2006-2011 Civic Si
  • 2012-2015 Civic EX LX
  • 2012-2015 Civic Si
  • 2016-2021 Civic EX 1.5T
  • 2016-2021 Civic LX
  • 2016-2020 Civic Si 1.5T

Acura Fitment (manual transmissions)

  • 2004-2008 TSX
  • 2009-2014 TSX SE 2.4L
  • 2004-2008 TL (require 2)
  • 2007-2008 TL Type-S (require 2)

Important Fitment Notes

  • Fits the listed manual-transmission applications only.
  • Applications marked “requires 2” use two O-rings.
  • O-rings are sold individually.

A new O-ring should normally be installed whenever the transmission speed sensor is removed. Reusing a flattened, hardened, or damaged seal may allow transmission fluid to leak around the sensor.

What’s Included

  • 1 Genuine OEM Honda/Acura 16 × 2.1mm transmission speed sensor O-ring

Proposition 65 Warnings.

Cancer and Reproductive Harm. See details below.

https://www.p65warnings.ca.gov/


Items that are not CARB Legal will not be sold and ship to California or CARB states.

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