Emission Modules & Control Units
1998-2000 Mazda 626 - Oxygen Sensor
Mazda
KLG4-18-861A
2.5L, front pipe, upper. Exc.Calif.
$68.91
MSRP $80.90
Save $11.99
14.8% Off 
2002-2004 Mazda MPV - Oxygen Sensor
Mazda
AJ55-18-861
To 10/01/03.
$179.90
MSRP $220.52
Save $40.62
18.4% Off 
2000-2002 Mazda 626 - Oxygen Sensor
Mazda
FS1K-18-861B
626, MX-6. 4 cyl. On exhaust pipe. 2.0L, all, rear. Calif.
$145.60
MSRP $178.47
Save $32.87
18.4% Off 
1997-2000 Mazda Millenia - Oxygen Sensor
Mazda
KLL5-18-861B
Location-In Front of Catalytic Converter.
$232.18
MSRP $284.59
Save $52.41
18.4% Off 2004-2006 Mazda MPV - Oxygen Sensor
Mazda
AJD6-18-861-9U
From 10/01/03. MPV. Rear. Upper. Preconverter.
$215.26
MSRP $263.86
Save $48.60
18.4% Off 
2011-2015 Mazda - Oxygen Sensor
Mazda
L5D9-18-86ZC
Mazda5.
Mazda3.
2.5L.
Rear.
#18-861B
$184.85
MSRP $226.57
Save $41.72
18.4% Off 
2012-2015 Mazda 5 - Oxygen Sensor
Mazda
L5E2-18-8G1
Air-Fuel Ratio Sensor. Mazda5. Front.
$216.47
MSRP $265.33
Save $48.86
18.4% Off 
Oxygen Sensor
Mazda
KLD8-18-861-9U
626, MX-6. 6 cyl. On exhaust manifold. Front. Federal. 2.5L, california. All. 2.5L, on manifold, rear.
$494.92
2012-2013 Mazda 3 - Oxygen Sensor
Mazda
PE08-18-86ZA
2.0L with skyactiv. Mazda3. 2.0l. Rear. With skyactiv-g engine.
$186.65
MSRP $228.78
Save $42.13
18.4% Off 
1995-2002 Mazda Millenia - Oxygen Sensor
Mazda
KJ01-18-861A-9U
Millenia. 2.3l. No. 1. 2.3L, front manifold, upper.
$208.92
MSRP $256.08
Save $47.16
18.4% Off 
1994-2005 Mazda - Oxygen Sensor
Mazda
ZZP1-18-861
Stamped #F88F9F472BA. B4000. 4.0L. 2.3L, front. B2300. B3000. Stamped #F78F9F472BA.
$51.80
MSRP $60.81
Save $9.01
14.8% Off 
2006-2008 Mazda 6 - Oxygen Sensor
Mazda
L395-18-8G1
Mazda6. 2.3l. Upper. Auto trans. Calif. Air-Fuel Ratio Sensor.
$233.27
MSRP $285.93
Save $52.66
18.4% Off 
2003-2008 Mazda 6 - Oxygen Sensor
Mazda
AJ58-18-861B
Mazda6. 3.0l. Rear. 3.0L, upper.
$103.19
MSRP $122.88
Save $19.69
16% Off Oxygen Sensor
Mazda
KLC7-18-861B-9U
626, MX-6. 6 cyl. On exhaust manifold. Rear. Federal. 2.5L, california. All. 2.5L, on manifold, front.
$209.13
MSRP $256.33
Save $47.20
18.4% Off 2001-2002 Mazda Millenia - Oxygen Sensor
Mazda
FS2V-18-861B
$202.26
MSRP $247.92
Save $45.66
18.4% Off 1998-1999 Mazda 626 - Oxygen Sensor
Mazda
FSD9-18-861A
626, MX-6. 4 cyl. On exhaust manifold. All. Calif.
$41.64
Exhaust Gas Temperature (Egt) Sensor
Mazda
SH2R-18-7G0
Location-Catalytic Converter. Front. Exhaust temp sensor. CX-5. 2.2l diesel. No.2.
$213.63
MSRP $261.85
Save $48.22
18.4% Off 
2021-2024 Mazda - Oxygen Sensor
Mazda
PX1N-18-8G1
Air-Fuel Ratio Sensor. CX-30. 2.5L turbo, engine compartment. CX-50. Without hybrid. With turbo. Upstream.
$275.56
MSRP $382.79
Save $107.23
28% Off 
2007-2009 Mazda CX-7 - Oxygen Sensor
Mazda
L33L-18-8G1E-9U
2.3L. CX-7. Front.
$233.97
MSRP $286.80
Save $52.83
18.4% Off 
2006-2008 Mazda 6 - Oxygen Sensor
Mazda
L397-18-861A
Mazda6. 2.3l. Lower. Auto trans. Rear. Calif.
$482.36
Nitrogen Oxide Sensor
Mazda
SHY1-18-7E0B
CX-5. 2.2l diesel. No.1. NOX Sensor.
$496.16
MSRP $689.25
Save $193.09
28% Off 1998-2001 Mazda 626 - Oxygen Sensor
Mazda
KLM7-18-861
On converter. 2.5L, converter. Exc.Calif. 626, MX-6. 4 cyl. On exhaust pipe. Federal.
$63.72
MSRP $74.80
Save $11.08
14.8% Off 
2008-2010 Mazda 5 - Oxygen Sensor
Mazda
LF5G-18-861A
Mazda5. From 11/1/05. Rear.
$223.49
MSRP $273.94
Save $50.45
18.4% Off 
1995-2009 Mazda - Oxygen Sensor
Mazda
ZZP2-18-861
4.0L. Stamped #f6tf9g444ca. B2300. Stamped f8tf9g444ca. B3000. Rear. Stamped #f8tf-9g444-ca. Stamped #F57F9G444CA. Stamped #f7tf9g444ca....
$171.88
MSRP $210.67
Save $38.79
18.4% Off 
1995-1996 Mazda Millenia - Oxygen Sensor
Mazda
TA36-18-861B-9U
2.5L, rear manifold. Millenia. 2.5l. No. 3.
$620.44
Oxygen Sensor
Mazda
KLD4-18-861A-9U
626, MX-6. 6 cyl. On exhaust pipe. Rear. California. 2.5L, federal.
$553.68
2009-2011 Mazda Tribute - Oxygen Sensor
Mazda
ZZDM-18-861
2.5L.
$115.44
MSRP $139.44
Save $24.00
17.2% Off 2001-2002 Mazda Millenia - Oxygen Sensor
Mazda
KL1E-18-861A-9U
2.5L, front pipe, rear.
$182.17
MSRP $223.30
Save $41.13
18.4% Off 
1995-2005 Mazda - Oxygen Sensor
Mazda
ZZMJ-18-861
Stamped #f5wf9f472ba. Stamped #F77F9F472BA. Stamped #f5wf9f4724ba. B2500. Front.
$45.51
MSRP $53.42
Save $7.91
14.8% Off 1997-2002 Mazda Millenia - Oxygen Sensor
Mazda
KLL5-18-861B-9U
Millenia. 2.5l. No. 1. 2.5L, front manifold.
$125.52
2006-2010 Mazda - Oxygen Sensor
Mazda
LFL7-18-8G1C
Air-Fuel Ratio Sensor. Front. Mazda5. Exc.Calif. Mazda3. 2.3l. Federal. Mazda3. 2.0l.
$441.65
MSRP $613.52
Save $171.87
28% Off 
2016-2018 Mazda CX-3 - Oxygen Sensor
Mazda
P54A-18-8G1
CX-3. Upper. Engine compartment.
$223.08
MSRP $273.44
Save $50.36
18.4% Off Oxygen Sensor
Mazda
ZZM0-18-861
Exc.Calif. Stamped #E97F9F472AA. 4 cylinder, federal.
$50.14
MSRP $58.86
Save $8.72
14.8% Off 
1995-1998 Mazda - Oxygen Sensor
Mazda
ZZN1-18-860
Stamped #F75F9G444DB.
$136.84
MSRP $165.30
Save $28.46
17.2% Off Oxygen Sensor
Mazda
ZZMK-18-861
Stamped #f4zf9f472bb. B2300. Front.
$125.91
MSRP $152.09
Save $26.18
17.2% Off 
1998-2009 Mazda - Oxygen Sensor
Mazda
ZZR1-18-861
Stamped #xl3f9f472aa. B3000. Stamped #F85F9G444DA. B2300. 2.3L, rear. 3.0L, front.
$81.87
MSRP $97.49
Save $15.62
16% Off 
2003-2008 Mazda 6 - Oxygen Sensor
Mazda
AJ57-18-861B
Mazda6. 3.0l. Front. 3.0L, upper.
$180.88
MSRP $221.71
Save $40.83
18.4% Off 
2010-2013 Mazda 3 - Oxygen Sensor
Mazda
L3CE-18-8G1
Air-Fuel Ratio Sensor. Mazdaspeed3. Front. 2.3L.
$424.13
MSRP $589.18
Save $165.05
28% Off No results found. Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!