Get the Best Priced Mercury Mountaineer Oxygen Sensor
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Mercury Mountaineer Replacement Oxygen Sensor Information
The engine in your Mountaineer takes a combination of fuel and air in order to function properly. The only way for your ECU to know how much fuel to feed the engine is to know how much air is already there. This means that you need to make sure your oxygen sensor is working properly. The oxygen sensor will read the amount of oxygen present and communicate to your ECU. When your oxygen sensor is bad, it can lead to problems with your engine because of not getting enough of the fuel or air that it requires.
You can find the Mountaineer oxygen sensor by Mercury at Parts Geek. We have the parts you need so you can save money. Even if you have to take the part to the mechanic for help installing, it will be cheaper than if you were to buy the part elsewhere.
They are available for the following Mercury Mountaineer years: 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 10, 09, 08, 07, 06, 05, 04, 03, 02, 01, 00, 99, 98, 97. This part is also sometimes called Mercury Mountaineer O2 Sensor. We stock oxygen sensor parts for most Mercury models including Grand Marquis, Cougar, Villager, Sable, Mystique, Monterey, Tracer, Mariner, Milan, Capri, Marauder, Topaz, Montego, Zephyr, Marquis, Bobcat, Monarch, Colony Park, Lynx and LN7.
We stock these Oxygen Sensor brands for the Mercury Mountaineer: Denso and Bosch.

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(1 Reviews)
Denso 234-4046 Oxygen Sensor
Close
|
Product SKU: 234-4046
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Upstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2003 (03) Mercury Mountaineer |
4.0L V6 VIN: K FI Naturally Aspirated FLEX |
|
|

Click to Enlarge
(2 Reviews)
Denso 234-4071 Oxygen Sensor
Close
|
Product SKU: 234-4071
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 1998 (98) Mercury Mountaineer |
4.0L V6 VIN: E FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(Read reviews)
|
Product SKU: 234-4609
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Left
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2003 (03) Mercury Mountaineer |
4.6L V8 VIN: W FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(2 Reviews)
Denso 234-4071 Oxygen Sensor
Close
|
Product SKU: 234-4071
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2000 (00) Mercury Mountaineer |
5.0L V8 VIN: P FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(2 Reviews)
Denso 234-4127 Oxygen Sensor
Close
|
Product SKU: 234-4127
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Upstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 1998 (98) Mercury Mountaineer |
4.0L V6 VIN: E FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(Read reviews)
|
Product SKU: 234-4610
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2003 (03) Mercury Mountaineer |
4.6L V8 VIN: W FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(Read reviews)
|
Product SKU: 234-4609
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Left
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2002 (02) Mercury Mountaineer |
4.6L V8 VIN: W FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(Read reviews)
|
Product SKU: 234-4610
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Downstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2002 (02) Mercury Mountaineer |
4.6L V8 VIN: W FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(1 Reviews)
Denso 234-4046 Oxygen Sensor
Close
|
Product SKU: 234-4046
Product Note: OE Style -- O.E. Quality Replacement Sensor
Features:
- Designed to detect the amount of oxygen in the exhaust system
- Constructed from high quality material
- Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
- Manufactured with precision to meet OE standards
- Easy installation
Position of Product: Upstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2002 (02) Mercury Mountaineer |
4.0L V6 VIN: K FI Naturally Aspirated FLEX |
|
|

Click to Enlarge
(3 Reviews)
Denso 234-4401 Oxygen Sensor
Close
|
Product SKU: 234-4401
Product Note: OE Style -- w/ 11" Post-Cat Sensors; 2 Required; O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2004 (04) Mercury Mountaineer |
4.0L V6 VIN: E FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(3 Reviews)
Denso 234-4401 Oxygen Sensor
Close
|
Product SKU: 234-4401
Product Note: OE Style -- O.E. Quality Replacement Sensor
Position of Product: Upstream Left
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2000 (00) Mercury Mountaineer |
5.0L V8 VIN: P FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(1 Reviews)
Bosch 15719 Oxygen Sensor
Close
|
Product SKU: 15719
Product Note: Oxygen Sensor
Features:
- Protection tube ensures 100% accurate sensor performance
- Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
- Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
- Coated threads for easy installation
Position of Product: Upstream Left
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: C |
| Vehicle |
Engine |
| • 1998 (98) Mercury Mountaineer |
4.0L V6 |
|
|

Click to Enlarge
(3 Reviews)
Denso 234-4401 Oxygen Sensor
Close
|
Product SKU: 234-4401
Product Note: OE Style -- w/ 11" Post-Cat Sensors; 2 Required; O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: B |
| Vehicle |
Engine |
| • 2005 (05) Mercury Mountaineer |
4.0L V6 VIN: E FI Naturally Aspirated GAS |
|
|

Click to Enlarge
(2 Reviews)
Bosch 15717 Oxygen Sensor
Close
|
Product SKU: 15717
Product Note: Oxygen Sensor -- Exact Fit
Features:
- Protection tube ensures 100% accurate sensor performance
- Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
- Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
- Coated threads for easy installation
Position of Product: Upstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: C |
| Vehicle |
Engine |
| • 1997 (97) Mercury Mountaineer |
5.0L V8 |
|
|

Click to Enlarge
(Read reviews)
|
Product SKU: 15718
Product Note: Oxygen Sensor -- Alternative Fit 1
Features:
- Protection tube ensures 100% accurate sensor performance
- Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
- Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
- Coated threads for easy installation
Position of Product: Upstream Right
Inventory: In Stock
Condition: New
Shipping Options: Ground
|
| Additional Fitment Information: |
Warehouse: C |
| Vehicle |
Engine |
| • 1998 (98) Mercury Mountaineer |
4.0L V6 |
|
|

Click to Enlarge
(Read reviews)
|
Retail: $90.69
Your Price: $41.25
Product SKU: W0133-1617862
Position of Product: Front
Inventory: In Stock
Condition: New
Shipping Options: Ground, Overnight, 2 Day
|
| Additional Fitment Information: |
Warehouse: A |
| Vehicle |
| • 2010 (10) Mercury Mountaineer |
|
|
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Some of our Customer Reviews
Very Satisfied
Reviewer: killercopper63
2/21/09 07:54 PMI was very satisfied in the parts received.
Order Date | 2/14/09
Very Satisfied
Reviewer: chasd1089
6/15/09 06:38 PMThis was my first order with PartsGeek and I must say I was very impressed. I placed my order around six in the evening and my order was delivered the very next day. How's that for speedy service. ...
Order Date | 6/8/09