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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, Sable, Cougar, Villager, Mystique, Milan, Mariner, Monterey, Tracer, Montego, Capri, Marauder, Topaz, Marquis, Colony Park, Monarch, Bobcat, Zephyr, Lynx and LN7.

We stock these Oxygen Sensor brands for the Mercury Mountaineer: Replacement, Denso, Bosch and NGK.


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Review Fitment Notes to Ensure Proper Fit

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(Read reviews)
Our List Price: $27.95
with FREE Shipping

Product SKU: 903-054
Product Note: OE Type -- 4 Wire; Direct Fit; Correct Connector; No cutting or splicing; Correct wire length (18.8 inches or 478mm)
Important Product Info: O2 OXYGEN SENSOR
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: E
Vehicle Position
2010 (10) Mercury Mountaineer Rear 


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(8 Reviews)
5 Stars
Denso 234-4071
Oxygen Sensor
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Our List Price: $28.33
(>35) In Stock
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: Catalog: B
Vehicle Engine
2000 (00) Mercury Mountaineer 5.0L V8 


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(8 Reviews)
5 Stars
Denso 234-4046
Oxygen Sensor
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Our List Price: $29.33
(>35) In Stock
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 Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Mercury Mountaineer 4.6L V8 


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(16 Reviews)
4.9 Stars
Denso 234-4127
Oxygen Sensor
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Our List Price: $28.33
(>35) In Stock
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: Catalog: B
Vehicle Engine
1998 (98) Mercury Mountaineer 5.0L V8 


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(Read reviews)
Our List Price: $33.33
(>35) In Stock
Product SKU: 234-4403
Product Note: OE Style -- O.E. Quality Replacement Sensor
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2000 (00) Mercury Mountaineer 4.0L V6 


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(14 Reviews)
4.7 Stars
Denso 234-4609
Oxygen Sensor
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Our List Price: $29.33
(>35) In Stock
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 Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Mercury Mountaineer 4.0L V6 


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(9 Reviews)
5 Stars
Denso 234-4401
Oxygen Sensor
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Our List Price: $34.33
(>35) In Stock
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: Catalog: B
Vehicle Engine
2000 (00) Mercury Mountaineer 5.0L V8 


Click to Enlarge
(8 Reviews)
5 Stars
Denso 234-4071
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $28.33
(>35) In Stock
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: Catalog: B
Vehicle Engine
1998 (98) Mercury Mountaineer 5.0L V8 


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(41 Reviews)
4.9 Stars
Bosch 15717
Oxygen Sensor
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Our List Price: $33.33
(>35) In Stock
Product SKU: 15717
Product Note: Actual OE 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: Downstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1997 (97) Mercury Mountaineer 5.0L V8 


Click to Enlarge
(8 Reviews)
5 Stars
Denso 234-4070
Oxygen Sensor
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Our List Price: $29.33
(>35) In Stock
Product SKU: 234-4070
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 Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1998 (98) Mercury Mountaineer 4.0L V6 


Click to Enlarge
(41 Reviews)
4.9 Stars
Bosch 15717
Oxygen Sensor
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Our List Price: $33.33
(>35) In Stock
Product SKU: 15717
Product Note: Engineered 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
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2002 (02) Mercury Mountaineer 4.0L V6 


Click to Enlarge
(19 Reviews)
5 Stars
Bosch 15718
Oxygen Sensor
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Our List Price: $32.33
(>35) In Stock
Product SKU: 15718
Product Note: Actual OE 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: Catalog: B
Vehicle Engine
1997 (97) Mercury Mountaineer 5.0L V8 


Click to Enlarge
(17 Reviews)
4.9 Stars
Denso 234-4610
Oxygen Sensor
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Loading Reviews...
Our List Price: $28.33
(>35) In Stock
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 Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Mercury Mountaineer 4.0L V6 


Click to Enlarge
(3 Reviews)
5 Stars
NGK 22500
Oxygen Sensor
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Our List Price: $38.33
(>35) In Stock
Product SKU: 22500
Product Note: Direct Fit Oxygen Sensor -- B2S2; OE MFR: NTK
Position of Product: Downstream Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Mercury Mountaineer 4.6L V8 


Click to Enlarge
(3 Reviews)
5 Stars
NGK 22060
Oxygen Sensor
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Our List Price: $36.33
(>35) In Stock
Product SKU: 22060
Product Note: Direct Fit Oxygen Sensor -- B1S1; OE MFR: NTK
Position of Product: Upstream Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Mercury Mountaineer 4.6L V8 


Click to Enlarge
(8 Reviews)
5 Stars
Bosch 13117
Oxygen Sensor
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Our List Price: $32.33
(>35) In Stock
Product SKU: 13117
Product Note: Actual OE Oxygen Sensor
Features:
  • Ceramic element with integrated heater requires less power to activate, and reaches operating temperature more quickly than a thimble element
  • Improved protection tube provides increased thermal resistance for long life
  • Laser weld and Viton sealing system is totally submersible to seal tight and protect against contamination for long life
  • Coated threads for easy installation
Position of Product: Upstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2000 (00) Mercury Mountaineer 4.0L V6 


Click to Enlarge
(2 Reviews)
4.5 Stars
Bosch W0133-1972699
Oxygen Sensor
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Product List Price:
$73.60
Our List Price: $34.48
(>25) In Stock
Product SKU: W0133-1972699
Product Note: OE Connector
Position of Product: Front
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Catalog: A
Vehicle
2010 (10) Mercury Mountaineer


Click to Enlarge
(19 Reviews)
5 Stars
Bosch 15718
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $31.98
(25) In Stock
Product SKU: 15718
Product Note: Actual OE 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: Downstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: H
Vehicle Engine
2010 (10) Mercury Mountaineer 4.0L V6 


Click to Enlarge
(41 Reviews)
4.9 Stars
Bosch 15717
Oxygen Sensor
Close
Loading Reviews...
Our List Price: $32.98
(34) In Stock
Product SKU: 15717
Product Note: Actual OE 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: Downstream
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: C
Vehicle Engine
2010 (10) Mercury Mountaineer 4.0L V6 


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Reviewer: Mike (Miguel) Brannon

Partsgeek is great place for all my replacement part needs! I always enjoy accurate, hassle free internet shopping.

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Mike Brannon

2001 Mercury Mountaineer Oxygen Sensor

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Reviewer: Delta

Great awesome parts site.

Just found it and now having several parts.

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2007 Mercury Mountaineer Oxygen Sensor


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