Honda Civic Speed Sensor - 1ATRS00125

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-S5A-901, 78410S5A901
  • Direct replacement
  • 100% factory tested
  • Tells vehicle's computer how fast vehicle is moving
  • 3 Terminal Plug
  • Fits the following Honda engines as listed per applications:
    • L4 1.3L (Engine ID LDA1) with Manual Transmission
    • L4 1.7L (Engine ID S17A1, D17A2, D17A6, D17A7) with Manual Transmission & (Nippon Seiki w/ White Stripe or Nippondenso w/ Green Stripe Type Sensors)
    • L4 2.0L (Engine ID K20A3) with Manual Transmission

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: Cancer and Reproductive Harm -

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 Air Intake (0:43)
    • Remove the seven 10mm nuts from the air intake
    • Loosen the hose clamps on the air intake hose
    • Disconnect the air intake hoses
    • Disconnect the sensor
  2. step : Removing the Speed Sensor (1:12)
    • Disconnect the speed sensor connector
    • Remove the 12mm bolt from the speed sensor
    • Remove the speed sensor
  3. step : Installing the New Speed Sensor (2:46)
    • Insert the speed sensor into place
    • Tighten the 12mm bolt to the speed sensor
    • Connect the speed sensor connector
  4. step : Reinstalling the Air Intake (3:07)
    • Insert the air box into place
    • Tighten the seven 10mm bolts to the air intake
    • Connect the air intake hoses
    • Tighten the air intake hose clamps
    • Connect the sensor

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 10mm Socket
  • 12mm Socket

5.00/ 5.0
5 Stars
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1 Star
Great item..great service. Fast shipping. Will be purchasing more items soon
November 12, 2017
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Year Make Model Description
2001-2004Honda Civic Honda Civic Manual Transmission Speed Sensor L4 1.7L
2005Honda Civic Honda Civic Manual Transmission Speed Sensor
Part #: 1ATRS00125

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:

(04:12 min)