Hyundai Oxygen Sensors

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Your factory oxygen sensor, or O2 sensor, monitors how much unburned oxygen is in the vehicle's exhaust as it exits. By tracking the oxygen levels and sending that data to your engine control unit (ECU), an oxygen sensor helps maintain the ideal air-fuel mixture so that your engine performs as efficiently as possible.

How Your Oxygen Sensor Works

Oxygen sensors produce their own voltage once they get hot. There's a ceramic bulb on the tip that plugs into the exhaust manifold. Both the inside and outside of the bulb are coated with a layer of platinum that serves as the electrode. The interior of the bulb vents through the sensor body to the atmosphere. When the hot exhaust gases get to the outside of the bulb, the difference in oxygen levels causes voltage to flow through the bulb. If the air-to-fuel ratio is lean (meaning not enough fuel in the mix), the voltage measures low. If the air/fuel mix is rich (too much air), the voltage is significantly higher. That voltage measure tells the ECU to adjust the mix as needed.

How to Tell if Your Oxygen Sensor is Going Bad

While they're not all exclusively indicators of a failing oxygen sensor, be alert for the following signs:

  • Glowing "check Engine" light
  • Rough sounding engine
  • Reduced fuel efficiency
  • A failed emissions test

While you can continue to drive with a faulty oxygen sensor, the fact remains that your engine will not be running at peak efficiency. Even if your engine starts and runs, you're at greater risk of stalling. Also, your engine's default adjustment is to consume more fuel when the oxygen sensor doesn't send a signal. Your best bet if you get an official diagnosis of a failing oxygen sensor is to have it replaced as soon as possible. You'll save money in the long run, and keep your car or SUV running right. Just make sure that you select the best oxygen sensor for your model. That would be one from Hyundai, as they're the only ones guaranteed to fit and perform right out of the box. Find what you need on the virtual shelves of our online auto parts store. Order today and we'll ship yours out double-time!

Oxygen Sensor
Part Number: 39210-03130
Options: Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen Front More Names
Description: Upper. Plug-in. 1.6L hybrid. More Info
MSRP $179.61
$172.61
MSRP $179.61
$172.61
Oxygen Sensor
Part Number: 39210-03140
Options: Rear, Lower
Other Names: Lower Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Rear. Plug-in. 1.6L hybrid. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-22015
Options: Front
Other Names: Sensor Assembly Oxygen More Names
Description: Accent. Front pipe, sohc, federal. More Info
MSRP $189.79
$182.39
MSRP $189.79
$182.39
Oxygen Sensor
Part Number: 39210-22025
Options: Front
Other Names: Sensor Assembly Oxygen More Names
Description: Accent. Sohc. California. Front. More Info
MSRP $189.79
$182.39
MSRP $189.79
$182.39
Oxygen Sensor
Part Number: 39210-22040
Other Names: Sensor Assembly Oxygen More Names
Description: Calif. More Info
MSRP $189.79
$182.39
MSRP $189.79
$182.39
Oxygen Sensor
Part Number: 39210-22045
Options: Front
Other Names: Sensor Assembly Oxygen More Names
Description: To 05/01/1997. Exc.Calif. More Info
MSRP $189.79
$182.39
MSRP $189.79
$182.39
Oxygen Sensor
Part Number: 39210-22051
Options: Rear Front
Other Names: Sensor Assembly Oxygen More Names
Description: Front pipe, sohc, all. From 05/01/1997. More Info
MSRP $189.79
$182.39
MSRP $189.79
$182.39
Oxygen Sensor
Part Number: 39210-23710
Options: Front
Other Names: Sensor Assembly Oxygen(Mcc) More Names
Description: Tucson. 2.0l. 2.0L, exhaust manifold. From 07/01/03. Tiburon. 2.0l. Front. With mcc. More Info
Notes: Included with exhaust manifold. More Notes
MSRP $181.77
$174.69
MSRP $181.77
$174.69
Oxygen Sensor
Part Number: 39210-23800
Options: Upper, Front
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Elantra. 1.8l. 2.0l. Upper. With hatchback. Wagon. Tiburon. 2.0l. Front. All. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-25300
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen Front More Names
Description: Sonata. 2.4l. Front. More Info
MSRP $245.77
$236.19
MSRP $245.77
$236.19
Oxygen Sensor
Part Number: 39210-2B250
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: With turbo. More Info
MSRP $189.10
$181.72
MSRP $189.10
$181.72
Oxygen Sensor
Part Number: 39210-2B420
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Veloster. Front. With turbo. Sonata. Without hybrid. 1.6l. More Info
MSRP $189.10
$181.72
MSRP $189.10
$181.72
Oxygen Sensor
Part Number: 39210-2B500
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen Front More Names
Description: 2018-19. Accent. Front. More Info
MSRP $171.63
$164.94
MSRP $171.63
$164.94
Oxygen Sensor
Part Number: 39210-2B510
Options: Front, Upper
Other Names: Ft Oxygen Sensor, Upper Oxygen Sensor, Sensor Assembly Oxygen Front More Names
Description: Veloster. 1.6l. Front. Upper. Elantra GT. 1.6l. Sonata. Without hybrid. 1.6l. More Info
MSRP $171.63
$164.94
MSRP $171.63
$164.94
Oxygen Sensor
Part Number: 39210-2C220
Options: Upper, Lower
Other Names: Sensor Assembly Oxygen(Ex Mani.) More Names
Description: 2.0L, upper. Genesis Coupe. 2.0l. Lower. More Info
MSRP $274.56
$263.86
MSRP $274.56
$263.86
Oxygen Sensor
Part Number: 39210-2CTA0
Options: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly-Oxygen More Names
Description: G70. 2.0l. Front. More Info
MSRP $222.74
$214.06
MSRP $222.74
$214.06
Oxygen Sensor
Part Number: 39210-2CTB5
Options: Rear, Lower
Other Names: Lower Oxygen Sensor, Sensor Assembly-Oxygen Rear More Names
Description: G70. 2.0l. Rear. More Info
MSRP $79.71
$76.60
MSRP $79.71
$76.60
Oxygen Sensor
Part Number: 39210-2E201
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Elantra GT. 2.0l. Front. Federal. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2E210
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Downstream. All. 2.0L. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2E400
Options: Lower, Front, Rear
Other Names: Ft Oxygen Sensor, Rear Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Korea built. Lower. Coupe, california. Elantra GT. 2.0l. Front. Usa built. All. Sedan, 2.0L. Elantra GT. 1.8l. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2E401
Options: Front Lower, Front Rear
Other Names: Rear Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Elantra. 1.8l. Korea built. Lower. All. Sedan, 1.8L. From 06/01/2014. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2E502
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Elantra GT. 2.0l. Rear. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2E700
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Tucson. 2.0l. Upstream. All. More Info
MSRP $193.44
$185.89
MSRP $193.44
$185.89
Oxygen Sensor
Part Number: 39210-2ECA0
Options: Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen Rear More Names
Description: Upper. 2.0L. More Info
MSRP $192.40
$184.90
MSRP $192.40
$184.90
Oxygen Sensor
Part Number: 39210-2G260
Options: Rear, Lower
Other Names: Rear Oxygen Sensor, Lower Oxygen Sensor, Sensor Assembly Oxygen Rear More Names
Description: Sonata. Without hybrid. 2.4l. Rear. 2.4L, without awd. Tucson. 2.4l. Lower. Fwd. Santa Fe. 2.4l. More Info
MSRP $185.27
$178.05
MSRP $185.27
$178.05
Oxygen Sensor
Part Number: 39210-2G850
Options: Rear, Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen Rear More Names
Description: Rear. 2.0L. More Info
MSRP $185.27
$178.05
MSRP $185.27
$178.05
Oxygen Sensor
Part Number: 39210-2GBA0
Options: Rear, Lower
Other Names: Rear Oxygen Sensor, Lower Oxygen Sensor, Sensor Assembly Oxygen Rear More Names
Description: Sonata. Rear. Santa Fe. 2.0l. More Info
MSRP $185.27
$178.05
MSRP $185.27
$178.05
Oxygen Sensor
Part Number: 39210-2M319
Options: Upper Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Accent. Front. Venue. More Info
MSRP $180.18
$173.15
MSRP $180.18
$173.15
Oxygen Sensor
Part Number: 39210-37151
Options: Rear Right
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: To 01/01/03. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-37185
Options: Rear Left Lower, Left, Left Lower
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: 2.7L, lower. Santa Fe. 2.7l. Downstream. Left. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-37190
Options: Rear Left
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: To 01/01/03. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-37510
Options: Right Upper, Right, Front Right Upper, Front Right Right
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: Tiburon. 2.7l. Sonata. 2.5l, 2.7l. Upper. From 8/16/02. Santa Fe. 2.7l. Upstream. Right. More Info
MSRP $226.00
$217.19
MSRP $226.00
$217.19
Oxygen Sensor
Part Number: 39210-37513
Options: Right Upper, Right
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: 2.7L, upper. Tucson. 2.7l. Upstream. Right. More Info
MSRP $233.69
$224.58
MSRP $233.69
$224.58
Oxygen Sensor
Part Number: 39210-37523
Options: Right Lower, Right
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: 2.7L, lower. Tucson. 2.7l. Downstream. Right. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-37525
Options: Right, Right Lower
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: Tiburon. 2.7l. Right. 2.7L, lower. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-37530
Options: Left Upper, Left, Front Left Upper
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: Tiburon. 2.7l. Sonata. 2.5l, 2.7l. Upper. From 8/16/02. To 09/15/2004. Santa Fe. 2.7l. Upstream. Left. More Info
MSRP $226.00
$217.19
MSRP $226.00
$217.19
Oxygen Sensor
Part Number: 39210-37543
Options: Left Lower, Left
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: 2.7L, lower. Tucson. 2.7l. Downstream. Left. More Info
MSRP $255.82
$245.85
MSRP $255.82
$245.85
Oxygen Sensor
Part Number: 39210-38035
Options: Rear
Other Names: Sensor Assembly Oxygen Rear More Names
Description: Sonata. 2.4l. Federal. Rear. More Info
MSRP $235.32
$226.15
MSRP $235.32
$226.15
Oxygen Sensor
Part Number: 39210-39010
Options: Left Upper, Left
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: Upper. XG300. Left. More Info
MSRP $243.06
$233.59
MSRP $243.06
$233.59
Oxygen Sensor
Part Number: 39210-39025
Options: Left Lower, Left
Other Names: Sensor Assembly Oxygen Left-hand More Names
Description: Lower. XG350. Left. XG300. More Info
MSRP $247.45
$237.80
MSRP $247.45
$237.80
Oxygen Sensor
Part Number: 39210-39660
Options: Right
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: 3.5L, preconverter. Santa Fe. 3.5l. Downstream. Right. More Info
MSRP $247.45
$237.80
MSRP $247.45
$237.80
Oxygen Sensor
Part Number: 39210-39800
Options: Right, Right Upper
Other Names: Sensor Assembly Oxygen Right-hand More Names
Description: 3.5L, exhaust manifold. Santa Fe. 3.5l. Upstream. XG350. Right. Upper. More Info
MSRP $247.45
$237.80
MSRP $247.45
$237.80
Oxygen Sensor
Part Number: 39210-3C530
Options: Left Lower, Left Rear, Right, Right Lower, Right Rear
Other Names: Lower Oxygen Sensor, Rear Oxygen Sensor, Sensor Assembly Oxygen Rear More Names
Description: Lower. All. 3.8L, gdi. Genesis sedan. 3.8l. Rear. Right. 3.8L, 2017. G80. 3.8l. More Info
MSRP $160.56
$154.30
MSRP $160.56
$154.30
Oxygen Sensor
Part Number: 39210-3C800
Options: Left Upper, Left
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: Genesis. 3.8l. Upper. Left. 3.8L, mpi. More Info
MSRP $81.26
$78.09
MSRP $81.26
$78.09
Oxygen Sensor
Part Number: 39210-3F020
Options: Right Upper, Right, Right Front, Left
Other Names: Ft Oxygen Sensor, Sensor Assembly Oxygen Front(Right-hand) More Names
Description: Equus. Upper. Right. Front. Genesis. 4.6l. Genesis. 5.0l. 5.0L, 2017. G80. 5.0l. Left. To 1/11/17. More Info
MSRP $247.45
$237.80
MSRP $247.45
$237.80
Oxygen Sensor
Part Number: 39210-3F040
Options: Left Lower, Left Rear, Right Lower, Right Rear
Other Names: Rear Oxygen Sensor, Ft Oxygen Sensor, Sensor Assembly Oxygen Rear(Right-hand) More Names
Description: Lower. 4.6L. Equus. More Info
MSRP $194.35
$186.78
MSRP $194.35
$186.78
Oxygen Sensor
Part Number: 39210-3F240
Options: Right Rear, Right, Right Lower
Other Names: Lower Oxygen Sensor, Sensor Assembly Oxygen More Names
Description: G90. 5.0l. Rear. G80. 5.0l. Right. From 1/12/17. 5.0L, 2018-20. More Info
MSRP $192.37
$184.87
MSRP $192.37
$184.87
Oxygen Sensor
Part Number: 39210-3L010
Options: Left Front, Left, Left Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen Front(Left-hand) More Names
Description: G70. 3.3l. Front. Left. G90. 3.3l. G80. 3.3l. More Info
MSRP $370.39
$355.94
MSRP $370.39
$355.94
Oxygen Sensor
Part Number: 39210-03AA0
Options: Upper
Other Names: Upper Oxygen Sensor, Sensor Assembly Oxygen Front More Names
Description: Upper. 1.4L. More Info
MSRP $195.42
$187.80
MSRP $195.42
$187.80
Oxygen Sensor
Part Number: 39210-22020
Options: Front
Other Names: Sensor Assembly Oxygen More Names
Description: Accent. Center pipe, dohc, all. Front pipe, sohc, federal. More Info
MSRP $196.44
$188.77
MSRP $196.44
$188.77

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