Shop Air Fuel Ratio Sensor Kit

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$94.99
Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16") With 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor Kit | 0-5V Analog
Amazon.com
292
Free shipping
$94.99
Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16") With 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor Kit | 0-5V Analog
Amazon.com
292
$106.62
Automotive-Leader 4PCS Upstream Downstream Air Fuel Ratio Sensor Oxygen O2 Sensor For Lexus LS460 2007 2008 4.6L V8, For Lexus LS460 2009 4.6L V8
Amazon.com
Free shipping
$106.62
Automotive-Leader 4PCS Upstream Downstream Air Fuel Ratio Sensor Oxygen O2 Sensor For Lexus LS460 2007 2008 4.6L V8, For Lexus LS460 2009 4.6L V8
Amazon.com
Free shipping
$173.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 29.92", 234-5740
Advance Auto Parts
$173.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 29.92", 234-5740
Advance Auto Parts
$38.16
Automotive-Leader 234-9056 4-Wire Air Fuel Ratio Sensor Upstream Oxygen O2 Sensor 1 For 2008-2009 Scion XD Toyota 2009-2010 Matrix Corolla 1.8L L4
Amazon.com
49
Free shipping
$38.16
Automotive-Leader 234-9056 4-Wire Air Fuel Ratio Sensor Upstream Oxygen O2 Sensor 1 For 2008-2009 Scion XD Toyota 2009-2010 Matrix Corolla 1.8L L4
Amazon.com
49
$206.08
$306.67
Subaru Forester (2025) Sensor AIR/FUEL Ratio. Sensor A/F Ratio - 22641AA870. EXHAUST.
Byers Airport Subaru
32% off
$206.08
$306.67
Subaru Forester (2025) Sensor AIR/FUEL Ratio. Sensor A/F Ratio - 22641AA870. EXHAUST.
Byers Airport Subaru
$86.99
Higherbro 4X Air Fuel Ratio Oxygen Sensor 1 & 2 For Nissan Xterra Frontier Pathfinder 2005 2006 4.0L Upstream + Downstream
Amazon.com
75
Free shipping
$86.99
Higherbro 4X Air Fuel Ratio Oxygen Sensor 1 & 2 For Nissan Xterra Frontier Pathfinder 2005 2006 4.0L Upstream + Downstream
Amazon.com
75
$202.99
DENSO Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 18.11", 234-5708
Advance Auto Parts
38
$202.99
DENSO Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 18.11", 234-5708
Advance Auto Parts
38
$277.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.44", 234-9160
Advance Auto Parts
38
$277.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.44", 234-9160
Advance Auto Parts
38
$227.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.83", 234-5738
Advance Auto Parts
$227.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.83", 234-5738
Advance Auto Parts
$235.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 13.78", 234-9161
Advance Auto Parts
38
$235.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 13.78", 234-9161
Advance Auto Parts
38
$75.59
4 Pieces Air Fuel Ratio Front Oxygen Sensors 89467-42010 89467-42020 For 2001-2003 Toyota RAV4 2.0L
Fridayparts.com
$75.59
4 Pieces Air Fuel Ratio Front Oxygen Sensors 89467-42010 89467-42020 For 2001-2003 Toyota RAV4 2.0L
Fridayparts.com
$198.41
$295.25
Subaru STI (2004 2005 2006 2007) Sensor AIR/FUEL Ratio - 22641AA450. EXHAUST.
Byers Airport Subaru
32% off
$198.41
$295.25
Subaru STI (2004 2005 2006 2007) Sensor AIR/FUEL Ratio - 22641AA450. EXHAUST.
Byers Airport Subaru
$231.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26", 234-9307
Advance Auto Parts
$231.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26", 234-9307
Advance Auto Parts
$279.99
Ntk Air/Fuel Ratio Monitor Kit 90067 Ngk
SD Parts
29
$279.99
Ntk Air/Fuel Ratio Monitor Kit 90067 Ngk
SD Parts
29
$260.91
$374.94
Mazda CX7 (2010 2011 2012) SENSOR, AIR&FUEL RATIO - L3BT188G1. ENGINE SWITCHES & RELAYS (2300CC). SENSOR, AIR&FUEL RATIO.
Classic Mazda
30% off
$260.91
$374.94
Mazda CX7 (2010 2011 2012) SENSOR, AIR&FUEL RATIO - L3BT188G1. ENGINE SWITCHES & RELAYS (2300CC). SENSOR, AIR&FUEL RATIO.
Classic Mazda
$226.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 14.17", 234-9302
Advance Auto Parts
38
$226.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 14.17", 234-9302
Advance Auto Parts
38
$172.97
234-9025 Denso Air Fuel Ratio Sensor
Parts Geek
$172.97
234-9025 Denso Air Fuel Ratio Sensor
Parts Geek
$295.75
$425.02
Mazda CX50 (2023 2024 2025) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615-9
Classic Mazda
30% off
$295.75
$425.02
Mazda CX50 (2023 2024 2025) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615-9
Classic Mazda
$167.97
234-9023 Denso Air Fuel Ratio Sensor
Parts Geek
$167.97
234-9023 Denso Air Fuel Ratio Sensor
Parts Geek
$171.76
Mazda6 SENSOR, AIR&FUEL RATIO - L518188G1A. ENGINE SWITCHES & RELAYS (2500CC)SENSOR, AIR&FUEL RATIO.
Budd Baer Mazda
$171.76
Mazda6 SENSOR, AIR&FUEL RATIO - L518188G1A. ENGINE SWITCHES & RELAYS (2500CC)SENSOR, AIR&FUEL RATIO.
Budd Baer Mazda
$169.97
19 2019 Volkswagen Golf Alltrack Air Fuel Ratio Sensor - Upstream Denso Air Fuel Ratio Sensor
Parts Geek
$169.97
19 2019 Volkswagen Golf Alltrack Air Fuel Ratio Sensor - Upstream Denso Air Fuel Ratio Sensor
Parts Geek
$295.75
$425.02
Mazda6 (2018 2019 2020 2021) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615
Classic Mazda
30% off
$295.75
$425.02
Mazda6 (2018 2019 2020 2021) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615
Classic Mazda
$223.99
2006-2008 Mazda MX-5 Miata Denso Air/Fuel Ratio Sensors | Denso 234-9088
Summit Racing
38
Free shipping
$223.99
2006-2008 Mazda MX-5 Miata Denso Air/Fuel Ratio Sensors | Denso 234-9088
Summit Racing
38
$247.54
$358.75
Subaru Crosstrek (2018 - 2025) Sensor AIR/FUEL Ratio. A/F Ratio Sensor - 22641AA78A. EXHAUST.
Berman Subaru of Chicago
30% off
$247.54
$358.75
Subaru Crosstrek (2018 - 2025) Sensor AIR/FUEL Ratio. A/F Ratio Sensor - 22641AA78A. EXHAUST.
Berman Subaru of Chicago
$611.68
Mazda3 SENSOR, AIR&FUEL RATIO - LFL7188G1B. ENGINE SWITCHES & RELAYS (W/O TURBO)SENSOR, AIR&FUEL RATIO. 20071017-20080901.
Budd Baer Mazda
$611.68
Mazda3 SENSOR, AIR&FUEL RATIO - LFL7188G1B. ENGINE SWITCHES & RELAYS (W/O TURBO)SENSOR, AIR&FUEL RATIO. 20071017-20080901.
Budd Baer Mazda
$101.11
Fuel To Air Ratio Sensor NGK 27079
eBay.com
15
Free shipping
$101.11
Fuel To Air Ratio Sensor NGK 27079
eBay.com
15
$69.19
Topower-Autoparts 4Pcs Upstream & Downstream Air Fuel Ratio Sensor For
eBay.com
Free shipping
$69.19
Topower-Autoparts 4Pcs Upstream & Downstream Air Fuel Ratio Sensor For
eBay.com
Free shipping
$163.99
Bolt-In Denso Air/Fuel Ratio Sensors - 4 Wire, 4 Square Female | Denso Products 234-9001 - O2 Sensor
Summit Racing
7
Free shipping
$163.99
Bolt-In Denso Air/Fuel Ratio Sensors - 4 Wire, 4 Square Female | Denso Products 234-9001 - O2 Sensor
Summit Racing
7
$82.02
30-0300 X-Series Wideband O2 Sensor Kit UEGO AFR LSU 4.9 Car Oxygen Sensor Controller Air Fuel Ratio Gauge 0258017025 30-4110
AliExpress
$82.02
30-0300 X-Series Wideband O2 Sensor Kit UEGO AFR LSU 4.9 Car Oxygen Sensor Controller Air Fuel Ratio Gauge 0258017025 30-4110
AliExpress
$587.41
Mazda3 SENSOR, AIR&FUEL RATIO - L3CE188G1. ENGINE SWITCHES & RELAYS (2300CC)SENSOR, AIR&FUEL RATIO.
Budd Baer Mazda
$587.41
Mazda3 SENSOR, AIR&FUEL RATIO - L3CE188G1. ENGINE SWITCHES & RELAYS (2300CC)SENSOR, AIR&FUEL RATIO.
Budd Baer Mazda
$171.65
Air / Fuel Ratio Sensor
Walmart
34
Free shipping
$171.65
Air / Fuel Ratio Sensor
Walmart
34
$185.02
Air / Fuel Ratio Sensor
Walmart
6
Free shipping
$185.02
Air / Fuel Ratio Sensor
Walmart
6
$112.90
Air / Fuel Ratio Sensor
Walmart
Free shipping
$112.90
Air / Fuel Ratio Sensor
Walmart
Free shipping
$164.84
Air / Fuel Ratio Sensor-GAS NGK 27055
eBay.com
Free shipping
$164.84
Air / Fuel Ratio Sensor-GAS NGK 27055
eBay.com
Free shipping
$243.49
Denso 234-5733 Air Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 10.63
FinditParts
$243.49
Denso 234-5733 Air Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 10.63
FinditParts
$186.99
Thread-In Denso Air/Fuel Ratio Sensors - 4 Wire | Denso Products 234-9071 - O2 Sensor
Summit Racing
Free shipping
$186.99
Thread-In Denso Air/Fuel Ratio Sensors - 4 Wire | Denso Products 234-9071 - O2 Sensor
Summit Racing
Free shipping
Air/fuel ratio sensor testing thread
Air/fuel ratio sensor testing thread
Oct 18, 2016
scannerdanner.com
Wideband O2 Air Fuel Ratio Sensor Module | Air/Fuel Ratio AFR
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Shop Air Fuel Ratio Sensor Kit

Sponsored
About our ads
$94.99
Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16") With 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor Kit | 0-5V Analog
Amazon.com
292
Free shipping
$94.99
Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16") With 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor Kit | 0-5V Analog
Amazon.com
292
$106.62
Automotive-Leader 4PCS Upstream Downstream Air Fuel Ratio Sensor Oxygen O2 Sensor For Lexus LS460 2007 2008 4.6L V8, For Lexus LS460 2009 4.6L V8
Amazon.com
Free shipping
$106.62
Automotive-Leader 4PCS Upstream Downstream Air Fuel Ratio Sensor Oxygen O2 Sensor For Lexus LS460 2007 2008 4.6L V8, For Lexus LS460 2009 4.6L V8
Amazon.com
Free shipping
$173.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 29.92", 234-5740
Advance Auto Parts
$173.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 29.92", 234-5740
Advance Auto Parts
$38.16
Automotive-Leader 234-9056 4-Wire Air Fuel Ratio Sensor Upstream Oxygen O2 Sensor 1 For 2008-2009 Scion XD Toyota 2009-2010 Matrix Corolla 1.8L L4
Amazon.com
49
Free shipping
$38.16
Automotive-Leader 234-9056 4-Wire Air Fuel Ratio Sensor Upstream Oxygen O2 Sensor 1 For 2008-2009 Scion XD Toyota 2009-2010 Matrix Corolla 1.8L L4
Amazon.com
49
$206.08
$306.67
Subaru Forester (2025) Sensor AIR/FUEL Ratio. Sensor A/F Ratio - 22641AA870. EXHAUST.
Byers Airport Subaru
32% off
$206.08
$306.67
Subaru Forester (2025) Sensor AIR/FUEL Ratio. Sensor A/F Ratio - 22641AA870. EXHAUST.
Byers Airport Subaru
$86.99
Higherbro 4X Air Fuel Ratio Oxygen Sensor 1 & 2 For Nissan Xterra Frontier Pathfinder 2005 2006 4.0L Upstream + Downstream
Amazon.com
75
Free shipping
$86.99
Higherbro 4X Air Fuel Ratio Oxygen Sensor 1 & 2 For Nissan Xterra Frontier Pathfinder 2005 2006 4.0L Upstream + Downstream
Amazon.com
75
$202.99
DENSO Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 18.11", 234-5708
Advance Auto Parts
38
$202.99
DENSO Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 18.11", 234-5708
Advance Auto Parts
38
$277.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.44", 234-9160
Advance Auto Parts
38
$277.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.44", 234-9160
Advance Auto Parts
38
$227.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.83", 234-5738
Advance Auto Parts
$227.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.83", 234-5738
Advance Auto Parts
$235.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 13.78", 234-9161
Advance Auto Parts
38
$235.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 13.78", 234-9161
Advance Auto Parts
38
$75.59
4 Pieces Air Fuel Ratio Front Oxygen Sensors 89467-42010 89467-42020 For 2001-2003 Toyota RAV4 2.0L
Fridayparts.com
$75.59
4 Pieces Air Fuel Ratio Front Oxygen Sensors 89467-42010 89467-42020 For 2001-2003 Toyota RAV4 2.0L
Fridayparts.com
$198.41
$295.25
Subaru STI (2004 2005 2006 2007) Sensor AIR/FUEL Ratio - 22641AA450. EXHAUST.
Byers Airport Subaru
32% off
$198.41
$295.25
Subaru STI (2004 2005 2006 2007) Sensor AIR/FUEL Ratio - 22641AA450. EXHAUST.
Byers Airport Subaru
$231.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26", 234-9307
Advance Auto Parts
$231.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26", 234-9307
Advance Auto Parts
$279.99
Ntk Air/Fuel Ratio Monitor Kit 90067 Ngk
SD Parts
29
$279.99
Ntk Air/Fuel Ratio Monitor Kit 90067 Ngk
SD Parts
29
$260.91
$374.94
Mazda CX7 (2010 2011 2012) SENSOR, AIR&FUEL RATIO - L3BT188G1. ENGINE SWITCHES & RELAYS (2300CC). SENSOR, AIR&FUEL RATIO.
Classic Mazda
30% off
$260.91
$374.94
Mazda CX7 (2010 2011 2012) SENSOR, AIR&FUEL RATIO - L3BT188G1. ENGINE SWITCHES & RELAYS (2300CC). SENSOR, AIR&FUEL RATIO.
Classic Mazda
$226.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 14.17", 234-9302
Advance Auto Parts
38
$226.99
DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 14.17", 234-9302
Advance Auto Parts
38
$172.97
234-9025 Denso Air Fuel Ratio Sensor
Parts Geek
$172.97
234-9025 Denso Air Fuel Ratio Sensor
Parts Geek
$295.75
$425.02
Mazda CX50 (2023 2024 2025) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615-9
Classic Mazda
30% off
$295.75
$425.02
Mazda CX50 (2023 2024 2025) SENSOR, AIR&FUEL RATIO - PYFA188G1A. SENSOR, AIR&FUEL RATIO. SENSOR, AIR&FUEL RATIO. 20180615-9
Classic Mazda