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Infiniti Qx4 O2 Sensor
We Have 113 Items for Infiniti Qx4 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: | After Catalytic Converter |
|---|---|
| Type: | 4-wire, Minor modifications required, 5.91 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2003 Infiniti QX4 submodels:
- 1997-2003: 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 1997-2003 Infiniti QX4 submodels:
- 1997-2003: All Submodels; All Engines;
Availability:In stock
- List Price: $106.67
- Our Price: $74.77
- You Save: $31.90

This REPLACEMENT oxygen sensor features 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. Includes easy-to-follow instructions.
Specifications:
- 34.45 in. wire length
- Threaded-in type, male connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Fit Note: | From 9/2001 |
|---|---|
| Location: | Passenger Side, After Catalytic Converter |
| Type: | 4-wire, OE replacement, 34.45 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 2001-2003 Infiniti QX4 submodels:
- 2001-2003: Base; 6 Cyl 3.5L; "GAS, FI, VQ35DE, Naturally Aspirated"
Availability:In stock
- List Price: $81.46
- Our Price: $69.03
- You Save: $12.43

This REPLACEMENT oxygen sensor features 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. Includes easy-to-follow instructions.
Specifications:
- 47.75 in. wire length
- Threaded-in type, male connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Fit Note: | From 9/2001 |
|---|---|
| Location: | Driver Side, After Catalytic Converter |
| Type: | 4-wire, OE replacement, 47.75 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 2001-2003 Infiniti QX4 submodels:
- 2001-2003: Base; 6 Cyl 3.5L; "GAS, FI, VQ35DE, Naturally Aspirated"
Availability:In stock
- List Price: $77.27
- Our Price: $65.48
- You Save: $11.79

This REPLACEMENT oxygen sensor features 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. Includes easy-to-follow instructions.
Specifications:
- 36.75 in. wire length
- Threaded-in type, male connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Location: | Driver Side, Before Catalytic Converter |
|---|---|
| Type: | 3-wire, OE replacement, 36.75 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2000 Infiniti QX4 submodels:
- 2000-2000: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated"
- 1997-1999: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated, VIN A"
Availability:In stock
- List Price: $61.66
- Our Price: $48.81
- You Save: $12.85
This REPLACEMENT oxygen sensor features 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. Includes easy-to-follow instructions.
Specifications:
- 36 in. wire length
- Threaded-in type, male connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Location: | Passenger Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 36 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2000 Infiniti QX4 submodels:
- 2000-2000: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated"
- 1997-1999: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated, VIN A"
Availability:In stock
- List Price: $61.49
- Our Price: $52.11
- You Save: $9.38

| Location: | Driver Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 50 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2000 Infiniti QX4 submodels:
- 2000-2000: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated"
- 1997-1999: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated, VIN A"
Availability:In stock
- List Price: $61.49
- Our Price: $52.11
- You Save: $9.38

| Location: | Driver Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 49.75 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1997-2000 Infiniti QX4 submodels:
- 2000-2000: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated"
- 1997-1999: Base; 6 Cyl 3.3L; "GAS, FI, VG33E, Naturally Aspirated, VIN A"
Availability:In stock
- List Price: $188.53
- Our Price: $62.13
- You Save: $126.40

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
- 25.6 in. wire length
- Heated
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 2001-2003 Infiniti QX4 submodels:
- 2001-2003: Base; 6 Cyl 3.5L;
Availability:In stock
- List Price: $188.53
- Our Price: $62.13
- You Save: $126.40

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
- 25.6 in. wire length
- Heated
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: | Passenger Side, After Catalytic Converter |
|---|---|
| Type: | 4-wire, Minor modifications required |
| Quantity Sold: | Sold individually |
Fits the following 1997-2000 Infiniti QX4 submodels:
- 1997-2000: Base; 6 Cyl 3.3L;
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: | Passenger Side, Before Catalytic Converter |
|---|---|
| Type: | 3-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 2001 Infiniti QX4 submodels:
- 2001-2001: Base; 6 Cyl 3.5L;
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 2002-2003 Infiniti QX4 submodels:
- 2002-2003: Base; 6 Cyl 3.5L;
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 1997-2001 Infiniti QX4 submodels:
- 2001-2001: Base; 6 Cyl 3.5L;
- 1997-2000: Base; 6 Cyl 3.3L;
Availability:In stock
- List Price: $103.75
- Our Price: $68.59
- You Save: $35.16

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
- 28.4 in. wire length
- Heated
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 1997-2000 Infiniti QX4 submodels:
- 1997-2000: Base; 6 Cyl 3.3L;
Availability:In stock
- List Price: $98.91
- Our Price: $83.82
- You Save: $15.09

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
- 47.6 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, After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 2002-2003 Infiniti QX4 submodels:
- 2002-2003: Base; 6 Cyl 3.5L;
Availability:In stock
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