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Mercury Grand Marquis O2 Sensor
We Have 118 Items for Mercury Grand Marquis 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.
| Fit Note: | Car |
|---|---|
| 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 2006-2008 Mercury Grand Marquis submodels:
- 2006-2008: All Submodels; All Engines;
Availability:In stock
- 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 1998-2004 Mercury Grand Marquis submodels:
- 1998-2004: All Submodels; All Engines;
Availability:In stock
- 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.
| Fit Note: | For California And New York Models Only, Produced Up To 11/29/04 |
|---|---|
| Type: | 4-wire, Minor modifications required, 5.91 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1986-2011 Mercury Grand Marquis submodels:
- 1986-2011: 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.
| Fit Note: | Car |
|---|---|
| Location: | Before Catalytic Converter |
| Type: | 3-wire, Minor modifications required, 6.69 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1986-1991 Mercury Grand Marquis submodels:
- 1986-1991: 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 1975-2011 Mercury Grand Marquis submodels:
- 1975-2011: 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 1986-1995 Mercury Grand Marquis submodels:
- 1986-1995: 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 1975-1995 Mercury Grand Marquis submodels:
- 1975-1995: All Submodels; All Engines;
Availability:In stock
- List Price: $40.50
- Our Price: $34.32
- You Save: $6.18
| Location: | Before Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 16.93 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1996-1997 Mercury Grand Marquis submodels:
- 1996-1997: GS; 8 Cyl 4.6L;
- 1996-1997: LS; 8 Cyl 4.6L;
Availability:In stock
- List Price: $42.46
- Our Price: $35.98
- You Save: $6.48
| Type: | 4-wire, OE replacement, 16.93 in. |
|---|---|
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1994-1997 Mercury Grand Marquis submodels:
- 1994-1997: GS; 8 Cyl 4.6L;
- 1994-1997: LS; 8 Cyl 4.6L;
Availability:In stock
- List Price: $48.27
- Our Price: $40.91
- You Save: $7.36
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:
- 0-1 V, 16.6 in. wire length
- Threaded-in type, includes connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Location: | After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement, 16.6 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1996-2010 Mercury Grand Marquis submodels:
- 1996-2010: LS; 8 Cyl 4.6L;
- 1996-2008: GS; 8 Cyl 4.6L;
- 2005-2005: GSL; 8 Cyl 4.6L;
- 2005-2005: Limited Edition; 8 Cyl 4.6L;
- 2005-2005: Ultimate Edition; 8 Cyl 4.6L;
Availability:In stock
- List Price: $48.27
- Our Price: $40.91
- You Save: $7.36
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:
- 0-1 V, 16.6 in. wire length
- Threaded-in type, includes connector
Benefits:
- Tested to ensure highest level of quality and reliability
- Helps reduce harmful emissions and extends catalyst life
| Fit Note: | With California Emissions System |
|---|---|
| Location: | Before Catalytic Converter |
| Type: | 4-wire, OE replacement, 16.6 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1994-1995 Mercury Grand Marquis submodels:
- 1994-1995: GS; 8 Cyl 4.6L;
- 1994-1995: LS; 8 Cyl 4.6L;
Availability:In stock
- List Price: $53.93
- Our Price: $45.70
- You Save: $8.23
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:
- 10.75 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, 10.75 in. |
| Quantity Sold: | Sold individually |
| Warranty: | 1-year, unlimited-mileage warranty |
Fits the following 1987-1991 Mercury Grand Marquis submodels:
- 1987-1991: GS; 8 Cyl 5.0L; "GAS, FI, Naturally Aspirated"
- 1987-1991: LS; 8 Cyl 5.0L; "GAS, FI, Naturally Aspirated"
Availability:In stock
- List Price: $104.73
- Our Price: $56.32
- You Save: $48.41

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
- 27.2 in. wire length
- Planar design
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: | Before Catalytic Converter |
|---|---|
| Type: | 4-wire, Minor modifications required |
| Quantity Sold: | Sold individually |
Fits the following 1996-1997 Mercury Grand Marquis submodels:
- 1996-1997: GS; 8 Cyl 4.6L;
- 1996-1997: LS; 8 Cyl 4.6L;
Availability:In stock
- List Price: $92.07
- Our Price: $55.60
- You Save: $36.47

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
- 15.4 in. wire length
- 0-1 V
- Heated
- Thread-in mounting style
- Includes wiring harness
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: | After Catalytic Converter |
|---|---|
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 1996-2010 Mercury Grand Marquis submodels:
- 1996-2010: LS; 8 Cyl 4.6L;
- 1996-2008: GS; 8 Cyl 4.6L;
- 2005-2005: GSL; 8 Cyl 4.6L;
- 2005-2005: Limited Edition; 8 Cyl 4.6L;
- 2005-2005: Ultimate Edition; 8 Cyl 4.6L;
Availability:In stock
- List Price: $92.07
- Our Price: $55.60
- You Save: $36.47

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
- 15.4 in. wire length
- 0-1 V
- Heated
- Thread-in mounting style
- Includes wiring harness
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.
| Fit Note: | With California Emissions System |
|---|---|
| Location: | Before Catalytic Converter |
| Type: | 4-wire, OE replacement |
| Quantity Sold: | Sold individually |
Fits the following 1994-1995 Mercury Grand Marquis submodels:
- 1994-1995: GS; 8 Cyl 4.6L;
- 1994-1995: LS; 8 Cyl 4.6L;
Availability:In stock
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