OEM Mazda Oxygen Sensors

Refine Results
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: LFL8-18-861C
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: L555-18-8G1B
Options: 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
$304.73
$304.73
Oxygen Sensor
Part Number: LF8R-18-8G1A
Options: 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
$234.34
$234.34
Oxygen Sensor
Part Number: N3H3-18-861B-9U
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: N3H2-18-861C-9U
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: AJ57-18-861B
Options: 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
$210.41
$210.41
Oxygen Sensor
Part Number: P54A-18-8G1
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: L5D8-18-8G1
Options: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda3. 2.5l. Front. More Info
Fits:
  • Mazda:
    • 3
Backordered
Backordered
Oxygen Sensor
Part Number: BP6F-18-861B-9U
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: CA38-18-8G1
Options: 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
$253.30
$253.30
Oxygen Sensor
Part Number: PE07-18-8G1
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: BP4X-18-861A-9U
Options: Front, Rear
Other Names: Sensor Oxygen More Names
Replaces: BP4X-18-861A
Description: Federal, front. Miata mx5. Rear. California. More Info
Fits:
  • Mazda:
    • Miata
Not For Sale
Not For Sale
Oxygen Sensor
Part Number: L5E2-18-8G1
Options: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda5. Front. More Info
Fits:
  • Mazda:
    • 5
Backordered
Backordered
Oxygen Sensor
Part Number: LFN1-18-8G1A
Options: Front, Rear
Other Names: Rear Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: LFN1-18-8G1
Description: Miata mx5. Front. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$553.39
$553.39
Oxygen Sensor
Part Number: LFG2-18-861B-9U
Options: Rear
Other Names: Ft Oxygen Sensor More Names
Replaces: LFG2-18-861A-9U
Description: Miata mx5. Rear. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$278.18
$278.18
Oxygen Sensor
Part Number: P51B-18-8GX
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Miata mx5. Front. More Info
Fits:
  • Mazda:
    • MX-5 Miata
Not For Sale
Not For Sale
Oxygen Sensor
Part Number: L33L-18-8G1E-9U
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Replaces: L33L-18-8G1E
Description: 2.3L. CX-7. Front. More Info
Fits:
  • Mazda:
    • CX-7
$249.70
$249.70
Oxygen Sensor
Part Number: L556-18-861A
Options: 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
$250.93
$250.93
Oxygen Sensor
Part Number: L3CE-18-8G1
Options: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazdaspeed3. Front. 2.3L. More Info
Fits:
  • Mazda:
    • 3
$512.20
$512.20
Oxygen Sensor
Part Number: LFJD-18-8G1A
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: AJ58-18-861B
Options: 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
$116.61
$116.61
Oxygen Sensor
Part Number: P51S-18-86ZA
Options: Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Description: Engine compartment. CX-3. Lower. More Info
Fits:
  • Mazda:
    • CX-3
Backordered
Backordered
Oxygen Sensor
Part Number: PYFA-18-8G1A
Options: 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. Mazda3. Mazda6. Front. Without turbo. 2.5L non turbo. CX-5. 2.5l. Engine compartment, with cyl deactivation.... More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-30,
    • CX-5
Backordered
Backordered
Oxygen Sensor
Part Number: PE01-18-8G1A
Options: 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. Mexico built. Front components, 2.0L, japan built. Mazda6. Mazda3. 2.5l. Upper. Front components, 2.5L. 2.5L, engine... More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-5
$391.81
$391.81
Oxygen Sensor
Part Number: AJF5-18-861A
Options: 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
$62.56
$62.56
Oxygen Sensor
Part Number: GY03-18-861B-9U
Options: Rear, Upper
Other Names: Sensor Oxygen More Names
Replaces: GY03-18-861A, GY03-18-861B
Description: MPV. Rear. Upper. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • MPV
Not For Sale
Not For Sale
Oxygen Sensor
Part Number: LF66-18-861C-9U
Options: Front
Other Names: Sensor Oxygen More Names
Replaces: LF66-18-861B-9U, LF66-18-861C
Description: Front. Mazda5. Mazda3. 2.3l. Federal. Mazda3. 2.0l. You will be required to provide a VIN in order to complete your order. This... More Info
Fits:
  • Mazda:
    • 3,
    • 5
Backordered
Backordered
Oxygen Sensor
Part Number: LFL7-18-8G1C
Options: 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. You will be required to provide a VIN in order to complete your order. This... More Info
Fits:
  • Mazda:
    • 3,
    • 5
$522.91
$522.91
Oxygen Sensor
Part Number: L32D-18-861D-9U
Options: 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
$299.52
$299.52
Oxygen Sensor
Part Number: LF67-18-861A-9U
Options: Front
Other Names: Sensor Oxygen More Names
Replaces: LF67-18-861, LF67-18-861A
Description: Mazda3. 2.0l. California. Center. Front. You will be required to provide a VIN in order to complete your order. This item is... More Info
Fits:
  • Mazda:
    • 3
$206.26
$206.26
Oxygen Sensor
Part Number: L3M6-18-8G1F
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: ZZP2-18-861
Options: Rear, Right Rear
Other Names: Rear Oxygen Sensor, Ft Oxygen Sensor, Sensor Oxygen More Names
Description: 4.0L. B2300. Stamped f8tf9g444ca. B3000. Rear. Stamped #f6tf9g444ca. Stamped #F57F9G444CA. B2500. Stamped #f7tf9g444ca. More Info
Fits:
  • Mazda:
    • B2300,
    • B2500,
    • B3000,
    • B4000
$79.86
$79.86
Oxygen Sensor
Part Number: PE12-18-86Z
Options: Lower, Front, Rear
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Description: Mazda3. 2.0l. Front components, 2.0L, japan built. 2.5L turbo. Mazda6. With turbo. Rear. Front components, 2.5L. Mazda3. 2.5l. Lower. More Info
Fits:
  • Mazda:
    • 3,
    • 6
$206.44
$206.44
Oxygen Sensor
Part Number: AJ60-18-861B
Options: 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
$127.16
$127.16
Oxygen Sensor
Part Number: PE02-18-86ZA
Options: Rear, Lower
Other Names: Rear Oxygen Sensor, Lower Oxygen Sensor, Sensor Oxygen More Names
Replaces: PE02-18-86Z
Description: CX-9. Lower. 2.5L turbo, engine compartment. 2.0L, engine compartment. CX-5. 2.5l. Rear. With turbo. More Info
Fits:
  • Mazda:
    • CX-5,
    • CX-9
$253.39
$253.39
Oxygen Sensor
Part Number: L395-18-8G1
Options: Upper
Other Names: Sensor Air Fuel Ratio More Names
Description: Mazda6. 2.3l. Upper. Auto trans. California. More Info
Fits:
  • Mazda:
    • 6
$261.54
$261.54
Oxygen Sensor
Part Number: LF63-18-8G1B-9U
Options: 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
Backordered
Backordered
Oxygen Sensor
Part Number: L518-18-8G1A
Options: 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
$154.50
$154.50
Oxygen Sensor
Part Number: CY01-18-861
Options: 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
$240.98
$240.98
Oxygen Sensor
Part Number: P51C-18-861
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Description: Miata mx5. Rear. More Info
Fits:
  • Mazda:
    • MX-5 Miata
Backordered
Backordered
Oxygen Sensor
Part Number: N3H3-18-8G1A
Options: Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: RX-8. Front. Manual trans. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • RX-8
Not For Sale
Not For Sale
Oxygen Sensor
Part Number: L34B-18-861B
Options: Rear, Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Replaces: L34B-18-861A
Description: Mazdaspeed3. Rear. 2.3L. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • 3
$255.62
$255.62
Oxygen Sensor
Part Number: FP50-18-861A-9U
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: FP50-18-861A
Description: Rear. 2.0L. 1.8L. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
$226.17
$226.17
Oxygen Sensor
Part Number: FS7N-18-861-9U
Options: Front
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Replaces: FS7N-18-861
Description: Protege. 2.0l. Front. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
$225.17
$225.17
Oxygen Sensor
Part Number: PYFB-18-86Z
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Description: 2.5L, engine compartment. CX-5. 2.5l. Rear. Without turbo. You will be required to provide a VIN in order to complete your order.... More Info
Fits:
  • Mazda:
    • CX-5
$246.45
$246.45
Oxygen Sensor
Part Number: L540-18-8G1
Options: Front, Upper
Other Names: Upper Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Front. 2.5L. You will be required to provide a VIN in order to complete your order. This item is non-returnable. More Info
Fits:
  • Mazda:
    • 3
$234.54
$234.54
Oxygen Sensor
Part Number: L3M7-18-861C-9U
Options: Lower
Other Names: Lower Oxygen Sensor, Sensor Oxygen More Names
Replaces: L3M7-18-861C
Description: Mazdaspeed6. Lower. 2.3L, with turbocharger. You will be required to provide a VIN in order to complete your order. This item is... More Info
Fits:
  • Mazda:
    • 6
Backordered
Backordered
Oxygen Sensor
Part Number: ZM02-18-861A-9U
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Replaces: ZM02-18-861A
Description: Protege. 1.6l. Rear. 1.6L, except california. More Info
Fits:
  • Mazda:
    • Protege
$304.96
$304.96
Oxygen Sensor
Part Number: ZYE9-18-8G1
Options: Upper
Other Names: Ft Oxygen Sensor, Sensor Air Fuel Ratio More Names
Description: Mazda2. Upper. More Info
Fits:
  • Mazda:
    • 2
$390.56
$390.56
Oxygen Sensor
Part Number: ZZCA-18-861
Options: Rear, Front
Other Names: Sensor Oxygen More Names
Replaces: 1F21-18-860, AJC8-18-861, AJTT-18-861
Description: Stamped #F85F9G444BA. Stamped #F85F-9G444-BA. More Info
Fits:
  • Mazda:
    • B2300,
    • B3000,
    • B4000,
    • Tribute
$85.20
$85.20
Oxygen Sensor
Part Number: ZZCB-18-860
Options: Lower
Other Names: Sensor Oxygen More Names
Description: Tribute hev. Lower. More Info
Fits:
  • Mazda:
    • Tribute
$87.20
$87.20
Oxygen Sensor
Part Number: ZZDA-18-861
Options: Upper
Other Names: Upper Oxygen Sensor, Sensor Oxygen More Names
Description: Tribute hev. Upper. More Info
Fits:
  • Mazda:
    • Tribute
$138.33
$138.33
Oxygen Sensor
Part Number: ZZDM-18-861
Options: Front Upper
Other Names: Upper Oxygen Sensor, Sensor Oxygen More Names
Description: 2.5L. More Info
Fits:
  • Mazda:
    • Tribute
$185.04
$185.04
Oxygen Sensor
Part Number: ZZM2-18-861A
Other Names: Sensor Oxygen More Names
Description: Stamped #f1uf9f472ca. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
$93.35
$93.35
Oxygen Sensor
Part Number: ZZM3-18-860
Options: Rear
Other Names: Sensor Oxygen Nla More Names
Description: Stamped #f6df9g444ca. More Info
Fits:
  • Mazda:
    • B2300
$90.37
$90.37
Oxygen Sensor
Part Number: ZZME-18-861
Options: Rear
Other Names: Sensor Oxygen More Names
Description: B2300. Rear. B2500. 4 cylinder, all. More Info
Notes: Order by description. More Notes
Fits:
  • Mazda:
    • B2300,
    • B2500
$96.93
$96.93
Oxygen Sensor
Part Number: ZZMK-18-861
Options: Front
Other Names: Sensor Oxygen More Names
Description: B2300. Front. Stamped #f4zf9f472bb. More Info
Fits:
  • Mazda:
    • B2300,
    • B4000
$152.09
$152.09
Oxygen Sensor
Part Number: ZZP3-18-861
Options: Left Rear, Rear
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Description: B4000. 3.0L, rear. B3000. 4.0L. Stamped #F85F9G444DA. 6 cylinder, 3.0L. Stamped #F75F9G444DB. More Info
Notes: Order by description. More Notes
Fits:
  • Mazda:
    • B3000,
    • B4000
$157.33
$157.33
Oxygen Sensor
Part Number: 1F20-18-860A
Options: 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
Fits:
  • Mazda:
    • B2300,
    • B3000,
    • B4000,
    • Tribute
Backordered
Backordered
Oxygen Sensor
Part Number: AJ04-18-861B
Options: Left
Other Names: Ft Oxygen Sensor, Sensor Oxygen More Names
Description: No. 2. 3.0L. More Info
Fits:
  • Mazda:
    • Tribute
Backordered
Backordered
Oxygen Sensor
Part Number: AJ06-18-861D
Options: Rear
Other Names: Rear Oxygen Sensor, Sensor Oxygen More Names
Description: No. 2. 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
$84.90
$84.90
Oxygen Sensor
Part Number: AJ52-18-861A-9U
Options: Right Front, Right Lower
Other Names: Sensor Oxygen More Names
Replaces: AJ52-18-861A
Description: Postconverter. MPV. Front. Lower. All. More Info
Fits:
  • Mazda:
    • MPV
Backordered
Backordered

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!