Oxygen Sensors

O2 Sensor

When it comes time to replace your oxygen sensor, we carry the OEM Mazda oxygen sensor your model needs.

  • OEM oxygen sensors are designed to meet the specifications of the manufacturer.
  • OEM oxygen sensors are made from quality materials that can withstand heat and wear.
  • OEM Mazda oxygen sensors are exact fit replacement parts.

At Real Mazda Parts, we offer a large selection of OEM Mazda parts at wholesale prices with fast, affordable shipping. We also offer a no-hassle return policy.

Refine Results
Oxygen Sensor
Part Number: L32D-18-861D-9U
Positions: Rear
Other Names: Sensor Oxygen More Names
Replaces: L32D-18-861, L32D-18-861A, L32D-18-861A-9U, L32D-18-861B, L32D-18-861D
Description: 2.3l, without turbo, federal. From 12/1/06. To 12/1/06. Mazda3. Rear. More Info
Fits:
  • Mazda:
    • 3
$250.24
$178.63
$250.24
$178.63
Oxygen Sensor
Part Number: LF8R-18-8G1A
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: LF8R-18-8G1
Description: 2.0L without skyactiv, federal. Mazda3. Front. More Info
Fits:
  • Mazda:
    • 3
$188.00
$134.20
$188.00
$134.20
Oxygen Sensor
Part Number: N3H2-18-8G1B
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: RX-8. Front. Air pump and sensors, auto trans. More Info
Fits:
  • Mazda:
    • RX-8
$342.92
$240.68
$342.92
$240.68
Oxygen Sensor
Part Number: LF67-18-861A-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: LF67-18-861, LF67-18-861A
Description: 2.3l, without turbo, california. 2.0l, california. Mazda3. Front. Center. More Info
Fits:
  • Mazda:
    • 3
$187.09
$133.55
$187.09
$133.55
Oxygen Sensor
Part Number: L33L-18-8G1E-9U
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: L33L-18-8G1B, L33L-18-8G1B-9U, L33L-18-8G1C, L33L-18-8G1C-9U, L33L-18-8G1D, L33L-18-8G1D-9U, L33L-18-8G1E
Description: 2.3L. CX-7. Front. More Info
Fits:
  • Mazda:
    • CX-7
$205.34
$146.58
$205.34
$146.58
Oxygen Sensor
Part Number: L555-18-8G1B
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: L555-18-8G1, L555-18-8G1A
Description: 2.5L. CX-7. Front. More Info
Fits:
  • Mazda:
    • CX-7
$239.73
$171.13
$239.73
$171.13
Oxygen Sensor
Part Number: L556-18-861A
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: L556-18-861
Description: CX-7. 2.5l. Rear. More Info
Fits:
  • Mazda:
    • CX-7
$202.13
$144.29
$202.13
$144.29
Oxygen Sensor
Part Number: LFL8-18-861C
Positions: Rear
Other Names: Sensor Oxygen More Names
Replaces: LFL8-18-861A
Description: 2.0l, federal, from 11/06. From 11/24/06. Mazda3. Rear. Exc.Calif. More Info
Fits:
  • Mazda:
    • 3
$188.73
$134.73
$188.73
$134.73
Oxygen Sensor
Part Number: L3CE-18-8G1
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazdaspeed3. 2.3L. Front. More Info
Fits:
  • Mazda:
    • 3
$414.59
$290.98
$414.59
$290.98
Oxygen Sensor
Part Number: LFL7-18-8G1C
Positions: Front
Other Names: Sensor Air Fuel Ratio More Names
Replaces: LFL7-18-8G1, LFL7-18-8G1A, LFL7-18-8G1B
Description: Mazda5. Mazda3. 2.3l. 2.0l. Front. Federal. More Info
Fits:
  • Mazda:
    • 3,
    • 5
$423.00
$296.89
$423.00
$296.89
Oxygen Sensor
Part Number: N3H2-18-861C-9U
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: N3H2-18-861A, N3H2-18-861B, N3H2-18-861C
Description: RX-8. Rear. Air pump and sensors, auto trans. More Info
Fits:
  • Mazda:
    • RX-8
$230.42
$164.49
$230.42
$164.49
Oxygen Sensor
Part Number: N3H3-18-861B-9U
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: N3H3-18-861A, N3H3-18-861B
Description: RX-8. Rear. Air pump and sensors, manual trans. More Info
Fits:
  • Mazda:
    • RX-8
$214.04
$152.80
$214.04
$152.80
Oxygen Sensor
Part Number: LFJD-18-8G1A
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: 2.0L without skyactiv, all. Mazda3. Front. Without skyactiv-g engine. More Info
Fits:
  • Mazda:
    • 3
$184.39
$131.63
$184.39
$131.63
Oxygen Sensor
Part Number: AJ52-18-861A-9U
Positions: Right Front, Right Lower
Other Names: Sensor Oxygen More Names
Replaces: AJ52-18-861, AJ52-18-861A
Description: MPV. All. Lower. Front. Postconverter. More Info
Fits:
  • Mazda:
    • MPV
$203.05
$144.95
$203.05
$144.95
Oxygen Sensor
Part Number: AJ55-18-861-9U
Positions: Left Rear, Left Upper
Other Names: Sensor Oxygen More Names
Replaces: AJ55-18-861
Description: MPV. Rear. Upper. Preconverter. More Info
Fits:
  • Mazda:
    • MPV
$174.72
$124.72
$174.72
$124.72
Oxygen Sensor
Part Number: AJ58-18-861B
Positions: Upper, Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJ58-18-861A
Description: 3.0L, upper. Mazda6. Rear. More Info
Fits:
  • Mazda:
    • 6
$105.77
$75.51
$105.77
$75.51
Oxygen Sensor
Part Number: AJ59-18-861C
Positions: Lower, Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJ59-18-861A, AJ59-18-861B
Description: 3.0L, lower. Mazda6. Front. More Info
Fits:
  • Mazda:
    • 6
$146.00
$104.22
$146.00
$104.22
Oxygen Sensor
Part Number: AJ95-18-861-9U
Positions: Right Front, Right Upper, Front Left Front, Front Left Upper
Other Names: Sensor Oxygen More Names
Replaces: AJ95-18-861
Description: From 10/01/03. MPV. Upper. Front. Preconverter. More Info
Fits:
  • Mazda:
    • MPV
$173.09
$123.56
$173.09
$123.56
Oxygen Sensor
Part Number: BP03-18-861B-9U
Other Names: Sensor Oxygen More Names
Description: 323, Protege. MX-3. 1.6l. Without turbo. More Info
Fits:
  • Mazda:
    • 323,
    • MX-3,
    • Protege
$212.05
$151.38
$212.05
$151.38
Oxygen Sensor
Part Number: BP3A-18-861-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BP3A-18-861
Fits:
  • Mazda:
    • Miata
$244.69
$174.68
$244.69
$174.68
Oxygen Sensor
Part Number: BP6F-18-861B-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BP6F-18-861, BP6F-18-861B
Description: Miata mx5. Without turbo, front. More Info
Fits:
  • Mazda:
    • Miata
$282.09
$201.37
$282.09
$201.37
Oxygen Sensor
Part Number: BPE1-18-861A-9U
Other Names: Sensor Oxygen More Names
Replaces: BPE1-18-861A
Fits:
  • Mazda:
    • 323,
    • Protege
$232.79
$166.18
$232.79
$166.18
Oxygen Sensor
Part Number: BPE8-18-861A-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BPE8-18-861A
Description: Miata mx5. Front. More Info
Fits:
  • Mazda:
    • Miata
$244.69
$174.68
$244.69
$174.68
Oxygen Sensor
Part Number: CA07-18-8G1A
Positions: Upper, Rear
Other Names: Ft Oxygen Sensor, Rear Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: CA07-18-8G1
Description: 3.7L, upper. Mazda6. More Info
Fits:
  • Mazda:
    • 6
$106.57
$76.08
$106.57
$76.08
Oxygen Sensor
Part Number: FP49-18-861-9U
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: FP49-18-861
Description: Protege. 1.8L. Front. More Info
Fits:
  • Mazda:
    • Protege
$196.44
$140.23
$196.44
$140.23
Oxygen Sensor
Part Number: FP50-18-861A-9U
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: FP50-18-861A
Description: Protege. 2.0l. 1.8l. Rear. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
$187.57
$133.90
$187.57
$133.90
Oxygen Sensor
Part Number: FS7N-18-861-9U
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: FS7N-18-861
Description: Protege. 2.0L. Front. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
$187.10
$133.57
$187.10
$133.57
Oxygen Sensor
Part Number: FSC6-18-861A-9U
Other Names: Sensor Oxygen More Names
Replaces: FSC6-18-861, FSC6-18-861A
Description: 2.0L, to manifold, auto trans. 626, MX-6. 4 cyl. On exhaust manifold. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
$193.54
$138.16
$193.54
$138.16
Oxygen Sensor
Part Number: GY05-18-861A-9U
Positions: Left Front, Left Lower
Other Names: Sensor Oxygen More Names
Replaces: GY05-18-861A
Description: MPV. Lower. Front. Federal. More Info
Fits:
  • Mazda:
    • MPV
$146.01
$104.23
$146.01
$104.23
Oxygen Sensor
Part Number: JE48-18-861A-9U
Positions: Right
Other Names: Sensor Oxygen More Names
Replaces: JE48-18-861A
Description: 929. Dohc. Right. More Info
Fits:
  • Mazda:
    • 929
$190.66
$136.10
$190.66
$136.10
Oxygen Sensor
Part Number: JE99-18-86Z-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: JE99-18-86Z
Description: Front. More Info
Fits:
  • Mazda:
    • MPV
$254.24
$181.49
$254.24
$181.49
Oxygen Sensor
Part Number: KLC8-18-861A-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Description: 626, MX-6. 6 cyl. Front. California. On exhaust pipe. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
$191.10
$136.42
$191.10
$136.42
Oxygen Sensor
Part Number: KLS2-18-861C
Positions: Left Front, Right, Left Upper
Other Names: Sensor Oxygen More Names
Replaces: KLS2-18-861B
Description: 2.5L, front pipe, upper. 626, MX-6. 6 cyl. Right. On exhaust pipe. More Info
Fits:
  • Mazda:
    • 626
$185.09
$132.13
$185.09
$132.13
Oxygen Sensor
Part Number: L32F-18-861A
Other Names: Sensor Oxygen More Names
Replaces: L32F-18-861
Description: 2.3l, without turbo, california. Mazda3. Center. More Info
Fits:
  • Mazda:
    • 3
$250.24
$178.63
$250.24
$178.63
Oxygen Sensor
Part Number: L33M-18-861E-9U
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: L33M-18-861B, L33M-18-861B-9U, L33M-18-861D, L33M-18-861D-9U, L33M-18-861E
Description: 2.3L. CX-7. Rear. More Info
Fits:
  • Mazda:
    • CX-7
$206.57
$147.46
$206.57
$147.46
Oxygen Sensor
Part Number: L34B-18-861B
Positions: Rear, Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Replaces: L34B-18-861A
Description: 2.3l, with turbo. Mazdaspeed3. Rear. More Info
Fits:
  • Mazda:
    • 3
$207.50
$148.13
$207.50
$148.13
Oxygen Sensor
Part Number: L364-18-861
Positions: Center
Other Names: Sensor Oxygen More Names
Description: Calif. More Info
Fits:
  • Mazda:
    • 6
$77.04
$55.93
$77.04
$55.93
Oxygen Sensor
Part Number: L396-18-861A
Positions: Lower, Front
Other Names: Sensor Oxygen More Names
Replaces: L396-18-861
Description: Mazda6. 2.3l. Front. Lower. California. Auto trans. More Info
Fits:
  • Mazda:
    • 6
$149.64
$106.81
$149.64
$106.81
Oxygen Sensor
Part Number: L397-18-861A
Positions: Lower, Rear
Other Names: Sensor Oxygen More Names
Replaces: L397-18-861
Description: Mazda6. 2.3l. Rear. Lower. California. Auto trans. More Info
Fits:
  • Mazda:
    • 6
$163.51
$116.73
$163.51
$116.73
Oxygen Sensor
Part Number: L3K2-18-861B-9U
Positions: Rear
Replaces: L3K2-18-861A
Description: From 11/1/05. Mazda5. Rear. More Info
Fits:
  • Mazda:
    • 5
$251.30
$179.39
$251.30
$179.39
Oxygen Sensor
Part Number: L518-18-8G1A
Positions: Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: L518-18-8G1
Description: Mazda6. 2.7l. 2.5L. Upper. More Info
Fits:
  • Mazda:
    • 6
$140.14
$100.04
$140.14
$100.04
Oxygen Sensor
Part Number: L5D8-18-8G1
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda3. 2.5L. Front. More Info
Fits:
  • Mazda:
    • 3
$186.23
$132.93
$186.23
$132.93
Oxygen Sensor
Part Number: LF69-18-861D-9U
Positions: Rear
Other Names: Sensor Oxygen More Names
Replaces: LF69-18-861A, LF69-18-861B, LF69-18-861D
Description: Mazda3. 2.3l. 2.0l. Rear. California. More Info
Fits:
  • Mazda:
    • 3
$250.67
$178.94
$250.67
$178.94
Oxygen Sensor
Part Number: LFG1-18-8G1A
Positions: Front, Rear
Other Names: Rear Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Miata mx5. Front. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$258.70
$184.68
$258.70
$184.68
Oxygen Sensor
Part Number: LFG2-18-861B-9U
Positions: Rear
Other Names: Ft Oxygen Sensor More Names
Replaces: LFG2-18-861, LFG2-18-861A, LFG2-18-861A-9U, LFG2-18-861B
Description: Miata mx5. Rear. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$232.16
$165.73
$232.16
$165.73
Oxygen Sensor
Part Number: N326-18-861
Other Names: Sensor Oxygen More Names
Description: Rx7. More Info
Fits:
  • Mazda:
    • RX-7
$248.61
$177.46
$248.61
$177.46
Oxygen Sensor
Part Number: P54A-18-8G1
Positions: Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: P54G-18-8G1
Description: CX-3. Upper. Engine compartment. More Info
Fits:
  • Mazda:
    • CX-3
$185.32
$132.29
$185.32
$132.29
Oxygen Sensor
Part Number: P5PS-18-86Z
Positions: Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Description: CX-3. Lower. Engine compartment. More Info
Fits:
  • Mazda:
    • CX-3
$146.31
$104.45
$146.31
$104.45
Oxygen Sensor
Part Number: PE07-18-8G1
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: 2.0L with skyactiv. Mazda3. Front. With skyactiv-g engine. More Info
Fits:
  • Mazda:
    • 3
$171.96
$122.75
$171.96
$122.75
Oxygen Sensor
Part Number: PY8V-18-8G1
Positions: Upper, Front
Other Names: Ft Oxygen Sensor, Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: 2.5L turbo. Mazda6. CX-5. CX-9. Front. Upper. With turbo. More Info
Fits:
  • Mazda:
    • 6,
    • CX-5,
    • CX-9
$244.95
$174.86
$244.95
$174.86

No results found for "oxygen sensors". 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!