These replacement transmission speed sensors are 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.

Specifications:

  • Input & Output Transmission Speed Sensors
  • Built to strict quality control standards
  • Direct replacement
  • 100% factory tested
  • Fits models with Automatic Transmission only

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

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. Please keep your invoice for proof of this warranty.

4.6 / 5.0
9 Reviews
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Speed sensors
Parts were just what they said they would be. And I got them in a timely manner...would definitely order from this company again!
October 11, 2017
Purchased
7 months ago
Slow shifing issue
Read up on my slow/lagging shifting issues. Brought and just replaced the parts yesterday and wow what a difference. Shifting now like it should.

Thank you
October 8, 2017
Purchased
7 months ago
good quality for a great price, fixed the car from popping out of overdrive, car feels brand new again.
October 11, 2017
Purchased
7 months ago
car parts
they somewhat helped part of my car problem still working on the other problem
March 3, 2017
Purchased
1 year ago
Exact Replacement
These items fit perfectly; I used a little transmission fluid on the O-rings and they went right into place and worked immediately as expected.
December 26, 2017
Purchased
5 months ago
Speed sensors
I would order from 1a auto again. The ease of odering & speedy service is great. Best online place to order parts I've done business with. Thank you for always having my parts.
April 29, 2018
Purchased
1 month ago
Perfect fit and part for my Sonata
My 2008 Hyundai Sonata was dragging through the gears periodically and kept getting errors codes for transmission or speed sensors. The simple approach was to replace the sensors since it was a significantly less expense. After install the car ran beautifully and still does 10K later. Price, service and fast shipping make 1AAuto a great DIY partner.
February 12, 2017
Purchased
1 year ago
Not quite right
I bought these as a set and only 1 was able to clip to the connectors for my car properly. I compared the sensor that has the straight up connector with my stock one and the sensors made just too long to clip properly into the connector. I will have to take a few CM off the front of it so the connector clips in properly. The sensors work fine, but the need to retro fit one was a tad bothersome.
September 28, 2017
Purchased
8 months ago
Dissatisfied
Only the output speed sensor they sent me was able to be used.The input speed sensor would not connect to do the connector plastic pieces it is supposed to clip on Not it was to small
October 26, 2017
Purchased
7 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 3 questions Browse 3 questions and 6 answers
Where is the speed sensor located in Kia spectra?
David M on May 29, 2017
BEST ANSWER: You have to remove the air intake tube and they're located on top of the transmission be careful they were a tight fit I had a pound a man with a piece of woodEnter an answer to this question.
Is the out put sensor on the right or left side?
Bobbie C on Jul 24, 2017
BEST ANSWER: If memory serves correct the Output is on the right and the input is on the left. But I would always replace the pair because it is easy to do, but more important they need to work in tandem and if one goes the other may not be far behind. Just like head lights, replace in pairs.
What is the number on the input speed sensor and what is the number for the output speed sensor yes this is a question??????
Terry A on May 3, 2017
BEST ANSWER: The output speed sensor part number through us would be 1ATRS00139, while the input speed sensor would be our part number 1ATRS00140.

Vehicle Fit

  • 2006-2007 Hyundai Azera Input & Output Transmission Speed Sensor Pair
  • 2001-2007 Hyundai Elantra Input & Output Transmission Speed Sensor for Models with Automatic Transmission Pair
  • 2007-2008 Hyundai Entourage Input & Output Transmission Speed Sensor Pair
  • 2001-2007 Hyundai Santa Fe Input & Output Transmission Speed Sensor for Models with Automatic Transmission Pair
  • 1999-2007 Hyundai Sonata Input & Output Transmission Speed Sensor for Models with Automatic Transmission Pair
  • 2003-2006 Hyundai Tiburon Input & Output Transmission Speed Sensor for Models with Automatic Transmission Pair
  • 2005-2006 Hyundai Tucson Input & Output Transmission Speed Sensor Pair
  • 2007 Hyundai Tucson Input & Output Transmission Speed Sensor Pair (Built Before 11/06 Production Date)
  • 2001 Hyundai XG300 Input & Output Transmission Speed Sensor Pair
  • 2004-2009 Kia Amanti Input & Output Transmission Speed Sensor Pair
  • 2010 Kia Forte Input & Output Transmission Speed Sensor L4 2.0L with Automatic Transmission Pair
  • 2010 Kia Forte Input & Output Transmission Speed Sensor L4 2.4L with Automatic Transmission Pair
  • 2010 Kia Forte Koup Input & Output Transmission Speed Sensor L4 2.0L with Automatic Transmission Pair
  • 2010 Kia Forte Koup Input & Output Transmission Speed Sensor L4 2.4L with Automatic Transmission Pair
  • 2001-2005 Kia Optima Input & Output Transmission Speed Sensor for Models with Automatic Transmission Pair
  • 2006-2009 Kia Optima Input & Output Transmission Speed Sensor Pair
  • 2010 Kia Optima Input & Output Transmission Speed Sensor L4 2.4L with Automatic Transmission Pair
  • 2010 Kia Optima Output Transmission Speed Sensor V6 2.7L with Automatic Transmission Input & Pair
  • 2010 Kia Rondo Output Transmission Speed Sensor V6 2.7L Input & Pair
  • 2010 Kia Rondo Output Transmission Speed Sensor L4 2.4L Input & Pair
  • 2002-2005 Kia Sedona Output Transmission Speed Sensor V6 3.5L Input & Pair
  • 2006-2010 Kia Sedona Output Transmission Speed Sensor V6 3.8L Input & Pair
  • 2010 Kia Soul Output Transmission Speed Sensor L4 1.6L with Automatic Transmission Input & Pair
  • 2010 Kia Soul Input & Output Transmission Speed Sensor L4 2.0L with Automatic Transmission Pair
  • 2004-2009 Kia Spectra Input & Output Transmission Speed Sensor Pair
  • 2008-2009 Kia Spectra 5 Input & Output Transmission Speed Sensor Pair
  • 2005 Kia Sportage Input & Output Transmission Speed Sensor Pair
  • 2006 Kia Sportage Input & Output Transmission Speed Sensor Pair (Built Before 9/11/06 Production Date)

This part replaces:

  • Dorman 917-607
  • Standard Motor Products SC297
  • Dorman 917-606
  • Standard Motor Products SC329
  • OE # 4262139052
  • OE # 4262039051
Part #: 1AERK00312

Ships Same Day for orders placed by 4 P.M. ET