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Mazda Millenia O2 Sensor
We Have 106 Items for Mazda Millenia O2 Sensor In-Stock
On all orders over $50
Select your vehicle
- List Price: $40.89
- Our Price: $34.65
- You Save: $6.24
This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.
Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.
Notes: May not be compatible with flanges. May require minor modifications
Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE comparable auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.
| Location: | Before Catalytic Converter |
|---|---|
| Type: | 4-wire, Minor modifications required, 5.91 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1995-2002 Mazda Millenia submodels:
- 1995-2002: All Submodels; All Engines;
Availability:In stock
- List Price: $58.17
- Our Price: $49.30
- You Save: $8.87
This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.
Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.
Notes: May not be compatible with flanges. May require minor modifications
Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE comparable auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.
| Type: | 3-wire, Minor modifications required, 6.69 in. |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1995-2002 Mazda Millenia submodels:
- 1995-2002: All Submodels; All Engines;
Availability:In stock
- List Price: $28.50
- Our Price: $24.15
- You Save: $4.35
This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.
Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.
Notes: May not be compatible with flanges. May require minor modifications
Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE comparable auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.
| Type: | 2-wire, Minor modifications required, 6.3 in. |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1995 Mazda Millenia submodels:
- 1995-1995: All Submodels; All Engines;
Availability:In stock
- List Price: $37.83
- Our Price: $32.06
- You Save: $5.77
This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.
Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.
Notes: May not be compatible with flanges. May require minor modifications
Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE comparable auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.
| Type: | 1-wire, Minor modifications required, 6.3 in. |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1995 Mazda Millenia submodels:
- 1995-1995: All Submodels; All Engines;
Availability:In stock
- List Price: $95.73
- Our Price: $35.34
- You Save: $60.39
| Location: | After Primary Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 34.25 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2000 Mazda Millenia submodels:
- 1999-2000: S; 6 Cyl 2.5L; "GAS, FI, Naturally Aspirated"
- 1997-2000: Base; 6 Cyl 2.5L; "GAS, FI, Naturally Aspirated"
- 1997-1998: L; 6 Cyl 2.5L; "GAS, FI, Naturally Aspirated"
Availability:In stock
- List Price: $175.04
- Our Price: $71.95
- You Save: $103.09

Bosch Regular Class Oxygen Sensor provides submersible patented connection system that protects against contamination, withstands the effects of extreme temperatures, and engine vibration. Made to improve engine performance, prevents premature failure for catalytic converter, and reduces harmful emissions.
Specifications:
- 4-wire
- 26.8 in. wire length
- 0-1 V
- Heated
- Thread-in mounting style
- Includes wiring harness
Features:
- Manufactured with a two-foot length sensor wire
- Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme temperatures and engine vibration
- Posi-lock connectors that can be unscrewed and reconnected in case of a wiring mistake
Wire splicing required.
| Location: | Driver Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, Minor modifications required |
| Quantity Sold: | Sold individually |
Fits the following 1995-2002 Mazda Millenia submodels:
- 1995-2002: Base; 6 Cyl 2.5L;
- 1995-2002: S; 6 Cyl 2.3L;
- 1999-2001: Base; 6 Cyl 2.3L;
- 2000-2000: Millennium Edition; 6 Cyl 2.3L;
- 1999-2000: S; 6 Cyl 2.5L;
- 1995-1998: L; 6 Cyl 2.5L;
Availability:In stock
- List Price: $308.29
- Our Price: $64.41
- You Save: $243.88

Bosch Regular Class Oxygen Sensor provides submersible patented connection system that protects against contamination, withstands the effects of extreme temperatures, and engine vibration. Made to improve engine performance, prevents premature failure for catalytic converter, and reduces harmful emissions.
Specifications:
- 3-wire
- 26.8 in. wire length
- 0-1 V
- Heated
- Thread-in mounting style
- Includes wiring harness
Features:
- Manufactured with a two-foot length sensor wire
- Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme temperatures and engine vibration
- Posi-lock connectors that can be unscrewed and reconnected in case of a wiring mistake
Wire splicing required.
| Location: | Driver Side, Before Catalytic Converter |
|---|---|
| Type: | 3-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 1995-2002 Mazda Millenia submodels:
- 1995-2002: S; 6 Cyl 2.3L;
- 1999-2001: Base; 6 Cyl 2.3L;
- 2000-2000: Millennium Edition; 6 Cyl 2.3L;
Availability:In stock
- List Price: $227.58
- Our Price: $60.02
- You Save: $167.56

Bosch Regular Class Oxygen Sensor provides submersible patented connection system that protects against contamination, withstands the effects of extreme temperatures, and engine vibration. Made to improve engine performance, prevents premature failure for catalytic converter, and reduces harmful emissions.
Specifications:
- 3-wire
- 25.6 in. wire length
- 0-1 V
- Heated
- Thread-in mounting style
- Includes wiring harness
Features:
- Manufactured with a two-foot length sensor wire
- Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme temperatures and engine vibration
- Posi-lock connectors that can be unscrewed and reconnected in case of a wiring mistake
Wire splicing required.
| Location: | Driver Side, Before Catalytic Converter |
|---|---|
| Type: | 3-wire, Minor modifications required |
| Quantity Sold: | Sold individually |
Fits the following 1995-1996 Mazda Millenia submodels:
- 1995-1996: Base; 6 Cyl 2.5L;
- 1995-1996: L; 6 Cyl 2.5L;
Availability:In stock
- List Price: $175.04
- Our Price: $46.53
- You Save: $128.51
Bosch Super Class Oxygen Sensor provides patented catalytically activated fine particle filter that prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination that increase sensors life.
Specifications:
- 4-wire
- 13 in. wire length
- Heated
Features:
- Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
- Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination, thereby increasing sensor life
- Prevents premature failure of the catalytic converter
- Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
- Rigorously tested for perfect performance while saving money in fuel costs
Direct plug-in, no cutting or splicing required.
| Location: | Driver Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 1995-2002 Mazda Millenia submodels:
- 1995-2002: Base; 6 Cyl 2.5L;
- 1999-2000: S; 6 Cyl 2.5L;
- 1995-1998: L; 6 Cyl 2.5L;
Availability:In stock
- List Price: $218.83
- Our Price: $94.45
- You Save: $124.38

Bosch Super Class Oxygen Sensor provides patented catalytically activated fine particle filter that prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination that increase sensors life.
Specifications:
- 4-wire
- 31.6 in. wire length
- Heated
Features:
- Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
- Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination, thereby increasing sensor life
- Prevents premature failure of the catalytic converter
- Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
- Rigorously tested for perfect performance while saving money in fuel costs
Direct plug-in, no cutting or splicing required.
| Location: | Passenger Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 1995-2002 Mazda Millenia submodels:
- 2001-2002: Base; 6 Cyl 2.5L;
- 1995-2002: S; 6 Cyl 2.3L;
- 1999-2001: Base; 6 Cyl 2.3L;
- 2000-2000: Millennium Edition; 6 Cyl 2.3L;
Availability:In stock
- List Price: $187.90
- Our Price: $59.95
- You Save: $127.95

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.
- OE-Equivalent.
- Direct fit for easy installation.
- OE Style connectors and wire lengths.
- Base ceramic probe of Zirconium and Yttrium.
- Patented Platinum Power Grid.
- Fine particle filter.
Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install.
Warranty Information: 12 month - 12,000 mile limited warranty against defects in material and workmanship.
OE style
| Fit Note: | After Front Catalyst - Radiator Side - In Exhaust Y Pipe |
|---|---|
| Location: | Rear, Passenger Side |
| Quantity Sold: | Sold individually |
Fits the following 2001-2002 Mazda Millenia submodels:
- 2001-2002: Base; 6 Cyl 2.5L;
Availability:In stock
- List Price: $176.30
- Our Price: $149.41
- You Save: $26.89

Bosch Super Class Oxygen Sensor provides patented catalytically activated fine particle filter that prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination that increase sensors life.
Specifications:
- 4-wire
- 19.7 in. wire length
- Heated
Features:
- Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
- Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination, thereby increasing sensor life
- Prevents premature failure of the catalytic converter
- Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
- Rigorously tested for perfect performance while saving money in fuel costs
Direct plug-in, no cutting or splicing required.
| Location: | Passenger Side, Before Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 2001-2002 Mazda Millenia submodels:
- 2001-2002: Base; 6 Cyl 2.5L;
Availability:In stock
- List Price: $192.56
- Our Price: $149.41
- You Save: $43.15

Bosch Super Class Oxygen Sensor provides patented catalytically activated fine particle filter that prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination that increase sensors life.
Specifications:
- 4-wire
- 23.6 in. wire length
- Heated
Features:
- Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
- Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination, thereby increasing sensor life
- Prevents premature failure of the catalytic converter
- Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
- Rigorously tested for perfect performance while saving money in fuel costs
Direct plug-in, no cutting or splicing required.
| Location: | Driver Side, Before Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 2001-2002 Mazda Millenia submodels:
- 2001-2002: Base; 6 Cyl 2.5L;
Availability:In stock
- List Price: $215.72
- Our Price: $131.95
- You Save: $83.77

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.
- OE-Equivalent.
- Direct fit for easy installation.
- OE Style connectors and wire lengths.
- Base ceramic probe of Zirconium and Yttrium.
- Patented Platinum Power Grid.
- Fine particle filter.
Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install.
Warranty Information: 12 month - 12,000 mile limited warranty against defects in material and workmanship.
| Fit Note: | Before Catalyst - Firewall Side - In Exhaust Manifold |
|---|---|
| Location: | Front, Passenger Side |
| Quantity Sold: | Sold individually |
Fits the following 1997-2000 Mazda Millenia submodels:
- 1999-2000: S; 6 Cyl 2.5L;
- 1997-2000: Base; 6 Cyl 2.5L;
- 1997-1998: L; 6 Cyl 2.5L;
Availability:In stock
- List Price: $187.90
- Our Price: $59.95
- You Save: $127.95

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.
- OE-Equivalent.
- Direct fit for easy installation.
- OE Style connectors and wire lengths.
- Base ceramic probe of Zirconium and Yttrium.
- Patented Platinum Power Grid.
- Fine particle filter.
Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install.
Warranty Information: 12 month - 12,000 mile limited warranty against defects in material and workmanship.
OE style
| Fit Note: | Before Catalyst - Radiator Side - In Exhaust Y Pipe |
|---|---|
| Location: | Front, Driver Side |
| Quantity Sold: | Sold individually |
Fits the following 1997-2000 Mazda Millenia submodels:
- 1999-2000: S; 6 Cyl 2.5L;
- 1997-2000: Base; 6 Cyl 2.5L;
- 1997-1998: L; 6 Cyl 2.5L;
Availability:In stock
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