OEM Mazda Oxygen Sensors

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O2 Sensor

When it comes time to replace your oxygen sensor, we carry the OEM Mazda oxygen sensor your model needs By the way, if you aren't sure if it's your O2 sensor that's gone bad, check out this blog post.

  • 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.

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: Mazda3. 2.0l. Front. 2.0L without skyactiv, federal. More Info
Fits:
  • Mazda:
    • 3
MSRP $197.39
$136.17
MSRP $197.39
$136.17
Oxygen Sensor
Part Number: LF67-18-861A-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: LF67-18-861, LF67-18-861A
Description: Mazda3. 2.0l. California. Center. Front. More Info
Fits:
  • Mazda:
    • 3
MSRP $196.44
$135.52
MSRP $196.44
$135.52
Oxygen Sensor
Part Number: L3M6-18-8G1F
Positions: Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: L3M6-18-8G1A, L3M6-18-8G1D, L3M6-18-8G1E
Description: Mazdaspeed6. Upper. 2.3L, with turbocharger. More Info
Fits:
  • Mazda:
    • 6
MSRP $253.33
$170.21
MSRP $253.33
$170.21
Oxygen Sensor
Part Number: ZZP2-18-861
Positions: Rear, Right Rear
Other Names: Rear Oxygen Sensor, Ft Oxygen Sensor, Sensor Oxygen More Names
Description: 4.0L. Stamped #f6tf9g444ca. B2300. Stamped f8tf9g444ca. B3000. Rear. Stamped #F57F9G444CA. B2500. Stamped #f7tf9g444ca. More Info
Fits:
  • Mazda:
    • B2300,
    • B2500,
    • B3000,
    • B4000
MSRP $83.26
$55.10
MSRP $83.26
$55.10
Oxygen Sensor
Part Number: AJ57-18-861B
Positions: Upper, Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJ57-18-861A
Description: Mazda6. 3.0l. Front. 3.0L, upper. More Info
Fits:
  • Mazda:
    • 6
MSRP $200.40
$138.24
MSRP $200.40
$138.24
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
MSRP $201.66
$139.12
MSRP $201.66
$139.12
Oxygen Sensor
Part Number: PE12-18-86Z
Positions: Lower, Front, Rear
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Description: Mazda3. 2.0l. Front components, 2.0L, japan built. Mazda6. Front components, 2.5L. Mazda3. 2.5l. Lower. 2.5L turbo. Rear. With turbo. More Info
Fits:
  • Mazda:
    • 3,
    • 6
MSRP $174.54
$120.42
MSRP $174.54
$120.42
Oxygen Sensor
Part Number: AJ60-18-861B
Positions: Lower, Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJ60-18-861A
Description: Mazda6. 3.0l. Rear. 3.0L, lower. More Info
Fits:
  • Mazda:
    • 6
MSRP $121.11
$83.55
MSRP $121.11
$83.55
Oxygen Sensor
Part Number: PE02-18-86ZA
Positions: Rear, Lower
Other Names: Lower Oxygen Sensor, Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: PE02-18-86Z
Description: CX-9. Lower. 2.0L, engine compartment. CX-5. 2.5l. Rear. With turbo. 2.5L turbo, engine compartment. More Info
Fits:
  • Mazda:
    • CX-5,
    • CX-9
MSRP $216.34
$149.25
MSRP $216.34
$149.25
Oxygen Sensor
Part Number: L395-18-8G1
Positions: Upper
Other Names: Sensor Air Fuel Ratio More Names
Description: Mazda6. 2.3l. Upper. Auto trans. California. More Info
Fits:
  • Mazda:
    • 6
MSRP $249.07
$171.83
MSRP $249.07
$171.83
Oxygen Sensor
Part Number: LF63-18-8G1B-9U
Positions: Front
Other Names: Sensor More Names
Replaces: LF63-18-8G1A, LF63-18-8G1B
Description: Mazda3. 2.3l. Front. Mazda3. 2.0l. Calif. Air-Fuel Ratio Sensor. More Info
Fits:
  • Mazda:
    • 3
MSRP $274.00
$184.09
MSRP $274.00
$184.09
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. Upper. 2.5L. More Info
Fits:
  • Mazda:
    • 6
MSRP $147.15
$101.51
MSRP $147.15
$101.51
Oxygen Sensor
Part Number: CY01-18-861
Positions: Left Upper, Right Upper
Other Names: Upper Oxygen Sensor, Sensor Oxygen More Names
Description: CX-9. At exhaust manifold. Upper. 2010. More Info
Fits:
  • Mazda:
    • CX-9
MSRP $208.26
$143.67
MSRP $208.26
$143.67
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: Mazda3. 2.3l. Federal. Rear. From 12/1/06. To 12/1/06. More Info
Fits:
  • Mazda:
    • 3
MSRP $262.75
$176.53
MSRP $262.75
$176.53
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
MSRP $215.61
$148.74
MSRP $215.61
$148.74
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: CX-7. Front. 2.5l. More Info
Fits:
  • Mazda:
    • CX-7
MSRP $258.39
$173.60
MSRP $258.39
$173.60
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. More Info
Fits:
  • Mazda:
    • CX-7
MSRP $216.03
$149.03
MSRP $216.03
$149.03
Oxygen Sensor
Part Number: LFL8-18-861C
Positions: Rear
Other Names: Sensor Oxygen More Names
Replaces: LFL8-18-861A
Description: Mazda3. 2.0l. Federal. Rear. From 11/24/06. Exc.Calif. More Info
Fits:
  • Mazda:
    • 3
MSRP $201.48
$139.00
MSRP $201.48
$139.00
Oxygen Sensor
Part Number: L3CE-18-8G1
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazdaspeed3. Front. 2.3L. More Info
Fits:
  • Mazda:
    • 3
MSRP $442.37
$297.21
MSRP $442.37
$297.21
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: Front. Mazda5. Mazda3. 2.3l. Federal. Mazda3. 2.0l. More Info
Fits:
  • Mazda:
    • 3,
    • 5
MSRP $451.42
$303.30
MSRP $451.42
$303.30
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
MSRP $241.95
$166.91
MSRP $241.95
$166.91
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
MSRP $224.74
$155.04
MSRP $224.74
$155.04
Oxygen Sensor
Part Number: LFJD-18-8G1A
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda3. 2.0l. Front. Without skyactiv-g engine. 2.0L without skyactiv, all. More Info
Fits:
  • Mazda:
    • 3
MSRP $198.33
$136.83
MSRP $198.33
$136.83
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. Front. Without turbo. More Info
Fits:
  • Mazda:
    • Miata
MSRP $296.19
$199.00
MSRP $296.19
$199.00
Oxygen Sensor
Part Number: AJ58-18-861B
Positions: Upper, Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJ58-18-861A
Description: Mazda6. 3.0l. Rear. 3.0L, upper. More Info
Fits:
  • Mazda:
    • 6
MSRP $111.06
$76.61
MSRP $111.06
$76.61
Oxygen Sensor
Part Number: P51S-18-86ZA
Positions: Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Description: Engine compartment. CX-3. Lower. More Info
Fits:
  • Mazda:
    • CX-3
MSRP $157.50
$108.65
MSRP $157.50
$108.65
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
MSRP $198.98
$137.26
MSRP $198.98
$137.26
Oxygen Sensor
Part Number: PYFA-18-8G1A
Positions: Front, Upper
Other Names: Ft Oxygen Sensor, Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: PYFA-18-8G1
Description: 2.5L, engine compartment. CX-5. 2.5l. Without turbo. Mazda6. 2.5L non turbo. Mazda3. Upper. Front components. CX-30. Engine compartment,... More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-30,
    • CX-5
MSRP $312.90
$210.22
MSRP $312.90
$210.22
Oxygen Sensor
Part Number: PE01-18-8G1A
Positions: Upper, Front
Other Names: Upper Oxygen Sensor, Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: PE01-18-8G1, PEDD-18-8G1
Description: Mazda3. 2.0l. Front components, 2.0L, japan built. Mazda6. Mazda3. 2.5l. Upper. Front components, 2.5L. 2.5L, engine compartment. CX-5.... More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-5
MSRP $338.24
$227.25
MSRP $338.24
$227.25
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. 2.0l. Front. With skyactiv-g engine. More Info
Fits:
  • Mazda:
    • 3
MSRP $184.21
$127.08
MSRP $184.21
$127.08
Oxygen Sensor
Part Number: CA38-18-8G1
Positions: Left Upper, Left Rear, Right Upper, Right Rear
Other Names: Upper Oxygen Sensor, Ft Oxygen Sensor, Rear Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: CX-9. 2011-15. 3.7L, upper. Mazda6. 3.7l. More Info
Fits:
  • Mazda:
    • 6,
    • CX-9
MSRP $218.22
$150.54
MSRP $218.22
$150.54
Oxygen Sensor
Part Number: L5E2-18-8G1
Positions: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda5. Front. More Info
Fits:
  • Mazda:
    • 5
Not For Sale
Not For Sale
Oxygen Sensor
Part Number: AJF5-18-861A
Positions: Lower, Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: AJF5-18-861
Description: Mazda6. 3.0l. Front. 3.0L, lower. More Info
Fits:
  • Mazda:
    • 6
MSRP $59.58
$42.89
MSRP $59.58
$42.89
Oxygen Sensor
Part Number: ZZM2-18-861A
Other Names: Sensor Oxygen More Names
Description: Stamped #f1uf9f472ca. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
MSRP $93.35
$64.40
MSRP $93.35
$64.40
Oxygen Sensor
Part Number: ZZP3-18-861
Positions: Left Rear, Rear
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Description: B4000. 3.0L, rear. B3000. 4.0L. 6 cylinder, 3.0L. Stamped #F85F9G444DA. Stamped #F75F9G444DB. More Info
Fits:
  • Mazda:
    • B3000,
    • B4000
MSRP $157.33
$108.54
MSRP $157.33
$108.54
Oxygen Sensor
Part Number: 1F20-18-860A
Positions: Rear, Left, Rear Front, Rear Upper, Left Rear, Left Front, Left Upper, Right Rear, Right Front, Right Upper
Other Names: Rear Oxygen Sensor, Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: 1F20-18-860, 1F80-18-860, ZZCA-18-861A
Description: B3000. B4000. Left. 4.0L. B2300. Stamped f85f9g444ab. 2.3L, front. Upper. Stamped #F85F-9G444-AB. 3.0L. More Info
Fits:
  • Mazda:
    • B2300,
    • B3000,
    • B4000,
    • Tribute
MSRP $58.01
$41.76
MSRP $58.01
$41.76
Oxygen Sensor
Part Number: AJ04-18-861B
Positions: Left
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Description: No. 2. 3.0L. More Info
Fits:
  • Mazda:
    • Tribute
MSRP $77.35
$53.36
MSRP $77.35
$53.36
Oxygen Sensor
Part Number: AJ06-18-861D
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Description: No. 2. 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
MSRP $84.90
$58.57
MSRP $84.90
$58.57
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: Postconverter. MPV. Front. Lower. All. More Info
Fits:
  • Mazda:
    • MPV
MSRP $213.21
$147.09
MSRP $213.21
$147.09
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: Mazda6. 3.0l. Front. 3.0L, lower. More Info
Fits:
  • Mazda:
    • 6
MSRP $153.30
$105.75
MSRP $153.30
$105.75
Oxygen Sensor
Part Number: BP4Y-18-861C-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BP4Y-18-861C
Description: California, front. More Info
Fits:
  • Mazda:
    • Miata
MSRP $269.19
$180.86
MSRP $269.19
$180.86
Oxygen Sensor
Part Number: BP6G-18-861C-9U
Positions: Rear
Other Names: Sensor Oxygen More Names
Replaces: BP6G-18-861, BP6G-18-861B, BP6G-18-861C
Description: Miata mx5. Rear. Without turbo. More Info
Fits:
  • Mazda:
    • Miata
MSRP $297.96
$200.19
MSRP $297.96
$200.19
Oxygen Sensor
Part Number: BP8J-18-861B-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BP8J-18-861, BP8J-18-861B
Description: Miata mx5. Front. With turbo. More Info
Fits:
  • Mazda:
    • Miata
MSRP $266.95
$179.36
MSRP $266.95
$179.36
Oxygen Sensor
Part Number: BPE1-18-861A-9U
Other Names: Sensor Oxygen More Names
Replaces: BPE1-18-861A
Description: 323, Protege. Dohc. More Info
Fits:
  • Mazda:
    • 323,
    • Protege
MSRP $244.44
$168.62
MSRP $244.44
$168.62
Oxygen Sensor
Part Number: BPE8-18-861A-9U
Positions: Front
Other Names: Sensor Oxygen More Names
Replaces: BPE8-18-861A
Description: Front. Miata mx5. More Info
Fits:
  • Mazda:
    • Miata
MSRP $256.93
$172.63
MSRP $256.93
$172.63
Oxygen Sensor
Part Number: FSC1-18-861B-9U
Other Names: Sensor Oxygen More Names
Replaces: FSC1-18-861B
Description: 626, MX-6. 4 cyl. On exhaust pipe. 2.0L, to exhaust pipe. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
MSRP $252.75
$169.81
MSRP $252.75
$169.81
Oxygen Sensor
Part Number: FSD9-18-861A
Positions: Front
Other Names: Sensor Oxygen Nla More Names
Replaces: FSD9-18-861
Description: 626, MX-6. 4 cyl. On exhaust manifold. All. California. More Info
Fits:
  • Mazda:
    • 626
MSRP $80.90
$55.81
MSRP $80.90
$55.81

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