Acura Integra Honda Civic Speed Sensor - 1ATRS00104

Warranty & Shipping
How-To & Tools
Product Reviews
Vehicle Fit

This replacement vehicle speed sensor is just what you need to get your vehicle in good running condition again!

A bad or malfunctioning speed sensor will often cause a service engine light error code, shifting problems, or rough running due to inaccurate computer or ECM readings.

This speed sensor features the following specifications:

  • Built to strict quality control standards
  • Replaces dealer part Numbers: 78410-S04-952, 78410S04952
  • Direct replacement
  • 100% factory tested
  • Tells vehicle's computer how fast vehicle is moving
  • 3 Terminal Plug
  • Fits the following Acura Honda engines as listed per application:
    • Honda L4 1.6L (Engine ID B16A2, D16B5, D16Y5, D16Y7, D16Y8) with Automatic Transmission
      • Fits both Nippondenso & Matsushita Styles
    • Acura L4 1.8L (Engine ID B18B1, B18C1, B18C5) Output Sensor with Automatic Transmission
      • Fits both Nippondenso & Matsushita Styles

Note: For vehicles requiring Engine ID (Identification): The Engine ID is usually located on a paper tag located on the valve cover



Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Transmission Speed Sensor (0:39)
    • Disconnect the transmission speed sensor wiring harness
    • Remove the 12mm bolt from the speed sensor
    • Pull off the speed sensor
  2. step : Installing the New Transmission Speed Sensor (1:09)
    • Put the new speed sensor into place
    • Insert the 12mm bolt into the speed sensor
    • Connect the speed sensor wiring harness

Tools needed for replacement:

    Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Sockets - Metric

  • 12mm Socket

5.00/ 5.0
2 reviews
5 Stars
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1 Star
Perfect fit
Awesome! shipping was fast and works perfect I would recommend this guys thumbs up!.
March 13, 2017
Speed Sensor - Honda Civic
This part fit perfectly and is working very well! It gives an accurate reading, which we didnt have until it was installed. Installation was very easy and your video was spot on.
July 25, 2017
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
How to determine if fits my car?
Tim S July 24, 2018
This part is specific to vehicles with a particular set of options. We will need more information about your vehicle to confirm the fit.
Christa R July 24, 2018
Year Make Model Description
2000-2001Acura Integra Acura Integra Speed Sensor for Models with Automatic Transmission
1996-2000Honda Civic Honda Civic Speed Sensor for Models with Automatic Transmission
Part #: 1ATRS00104

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(02:01 min)