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Mercury PartsMercury Mariner PartsOxygen Sensor

Mercury Mariner Oxygen Sensor

Keeping your Mariner in top shape is your top priority.

Select Your VehicleAuto enthusiasts appreciate the a variety of special features built into each Mercury, and understand that only the highest quality repair Mariner parts will suffice when maintenance needs to be done. Your Mercury dealership isn't the only place to locate trusted parts to repair your Mariner. While it's not hard to find replacement parts for Mercury vehicles, these days only the absolute best are required to repair your automobile. It's not all the time that you realize that you have to buy a replacement Oxygen Sensor for your vehicle.

What Oxygen Sensor does for your vehicle.

Achieving maximum power and fuel efficiency with your car or truck depends on the quality and performance of the parts you use. The fuel-injection system on your Mercury Mariner is heavily controlled by a computer which relies on input from the oxygen sensors. Your Mercury Mariner oxygen sensors sit in the exhaust manifold, exhaust pipes, and catalytic converter and analyze the quality of the exhaust gases to determine how well your fuel delivery and emissions reduction parts are working. When oxygen sensors fail your car will not get the best fuel economy or produce enough horsepower, and emissions from your tailpipe may be in excess of legal levels.

There's no reason to delay... make your purchase while supplies last.

When your Mercury needs a top quality replacement Oxygen Sensor, there's no need to trust any store other than the authority, Car Parts Discount. At Car Parts Discount, we have real customer support agents available with enough expertise to help you buy the appropriate Mercury Mariner part for your project or repair. Buy all the car parts you will ever need from carpartsdiscount.com and realize incredible savings on all your upcoming repairs. When it comes to Mercury Mariner Oxygen Sensor parts, you can find them for 2011, 2010, 2009, 2008, 2007, 2006, 2005 models by clicking the appropriate year below.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Mercury Mariner Oxygen Sensor, OEM: 234-4045/2344045Denso
2005-2006 Mercury Mariner Denso Oxygen Sensor 234-4045
27.85, Save 39%   POPULAR
OEM: 234-4045, Item: 1189726
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front

Mercury Mariner Oxygen Sensor, OEM: 234-4046/2344046Denso
2005-2008 Mercury Mariner Denso Oxygen Sensor 234-4046
27.85, Save 39%   NEW ITEM
OEM: 234-4046, Item: 1189727
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 15718Bosch
2005-2010 Mercury Mariner Bosch Oxygen Sensor 15718
28.15, Save 39%   NEW ITEM
OEM: 15718, Item: 949782
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Upstream, Downstream Front

Mercury Mariner Oxygen Sensor, OEM: 234-4609/2344609Denso
2005-2010 Mercury Mariner Denso Oxygen Sensor 234-4609
28.45, Save 39%   NEW ITEM
OEM: 234-4609, Item: 1190235
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Front, Downstream Rear, Downstream

Mercury Mariner Oxygen Sensor, OEM: 234-4106/2344106Denso
2009 Mercury Mariner Denso Oxygen Sensor 234-4106
28.75, Save 39%   NEW ITEM
OEM: 234-4106, Item: 22538
  Only 8 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 15716Bosch
2005-2006 Mercury Mariner Bosch Oxygen Sensor 15716
28.75, Save 39%   NEW ITEM
OEM: 15716, Item: 949780
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 22012NGK
2005-2009 Mercury Mariner NGK Oxygen Sensor 22012
28.75, Save 39%   NEW ITEM
OEM: 22012, Item: 1398793
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream, Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 15719Bosch
2005-2008 Mercury Mariner Bosch Oxygen Sensor 15719
29.25, Save 39%   NEW ITEM
OEM: 15719, Item: 949783
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Downstream Front, Downstream Right

Mercury Mariner Oxygen Sensor, OEM: 234-4374/2344374Denso
2005-2009 Mercury Mariner Denso Oxygen Sensor 234-4374
29.25, Save 39%   NEW ITEM
OEM: 234-4374, Item: 1190029
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 15717Bosch
2005-2010 Mercury Mariner Bosch Oxygen Sensor 15717
29.45, Save 39%   NEW ITEM
OEM: 15717, Item: 949781
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Upstream, Upstream Rear, Downstream Front

Mercury Mariner Oxygen Sensor, OEM: 250-24001/25024001Walker Products
2005-2010 Mercury Mariner Walker Products Oxygen Sensor 250-24001
29.75, Save 39%   NEW ITEM
OEM: 250-24001, Item: 1195219
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Mercury Mariner Oxygen Sensor, OEM: ES10841Delphi
2005-2006 Mercury Mariner Delphi Oxygen Sensor ES10841
29.85, Save 39%   NEW ITEM
OEM: ES10841, Item: 997618
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Mercury Mariner Oxygen Sensor, OEM: 15724Bosch
2005-2010 Mercury Mariner Bosch Oxygen Sensor 15724
30.55, Save 39%   NEW ITEM
OEM: 15724, Item: 949784
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Rear, Downstream Left

Mercury Mariner Oxygen Sensor, OEM: 22009NGK
2005-2010 Mercury Mariner NGK Oxygen Sensor 22009
30.55, Save 39%   NEW ITEM
OEM: 22009, Item: 1398791
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Rear

Mercury Mariner Oxygen Sensor, OEM: ES20104Delphi
2005-2008 Mercury Mariner Delphi Oxygen Sensor ES20104
31.95, Save 39%   NEW ITEM
OEM: ES20104, Item: 997801
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front, Front Right

Mercury Mariner Oxygen Sensor, OEM: 15716Bosch
2005-2008 Mercury Mariner Bosch Oxygen Sensor 15716
32.15, Save 39%  
OEM: 15716, Item: 66689
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upper, Rear Upper, Front Right

Mercury Mariner Oxygen Sensor, OEM: ES20014Delphi
2005-2010 Mercury Mariner Delphi Oxygen Sensor ES20014
32.55, Save 39%   NEW ITEM
OEM: ES20014, Item: 997716
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear, Rear Left

Mercury Mariner Oxygen Sensor, OEM: ES20064Delphi
2005-2006 Mercury Mariner Delphi Oxygen Sensor ES20064
32.55, Save 39%   NEW ITEM
OEM: ES20064, Item: 997763
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Left

Mercury Mariner Oxygen Sensor, OEM: 250-24127/25024127Walker Products
2005-2010 Mercury Mariner Walker Products Oxygen Sensor 250-24127
32.55, Save 39%   NEW ITEM
OEM: 250-24127, Item: 1195301
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front, Downstream Rear

Mercury Mariner Oxygen Sensor, OEM: 250-24749/25024749Walker Products
2005-2008 Mercury Mariner Walker Products Oxygen Sensor 250-24749
32.55, Save 39%   NEW ITEM
OEM: 250-24749, Item: 1195686
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 25024001Walker
2005-2010 Mercury Mariner Walker Oxygen Sensor 25024001
32.85, Save 39%   NEW ITEM
OEM: 25024001, Item: 73938
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Lower, Rear Left, Rear Right, Front Lower

Mercury Mariner Oxygen Sensor, OEM: 15717Bosch
2005-2010 Mercury Mariner Bosch Oxygen Sensor 15717
32.95, Save 39%  
OEM: 15717, Item: 66690
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Lower, Front Lower, Upper, Rear Upper

Mercury Mariner Oxygen Sensor, OEM: 22009NTK
2005, 2007-2010 Mercury Mariner NTK Oxygen Sensor 22009
33.75, Save 39%   NEW ITEM
OEM: 22009, Item: 72607
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Lower, Rear Lower, Rear Right

Mercury Mariner Oxygen Sensor, OEM: 250-24301/25024301Walker Products
2005-2009 Mercury Mariner Walker Products Oxygen Sensor 250-24301
33.95, Save 39%   NEW ITEM
OEM: 250-24301, Item: 1195403
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream, Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 250-24302/25024302Walker Products
2005-2006 Mercury Mariner Walker Products Oxygen Sensor 250-24302
33.95, Save 39%   NEW ITEM
OEM: 250-24302, Item: 1195404
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 22060NGK
2005-2008 Mercury Mariner NGK Oxygen Sensor 22060
34.35, Save 39%   NEW ITEM
OEM: 22060, Item: 1398804
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 22060NTK
2005, 2007-2008 Mercury Mariner NTK Oxygen Sensor 22060
35.05, Save 39%   NEW ITEM
OEM: 22060, Item: 72499
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Upper, Rear Upper, Front Right

Bosch
2005-2011 Mercury Mariner Bosch Oxygen Sensor 15741
35.75, Save 39%   NEW ITEM
OEM: 15741, Item: 1158858
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Rear, Downstream Left, Downstream Right

Mercury Mariner Oxygen Sensor, OEM: 22500NGK
2005-2010 Mercury Mariner NGK Oxygen Sensor 22500
35.95, Save 39%   NEW ITEM
OEM: 22500, Item: 1398834
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front

Mercury Mariner Oxygen Sensor, OEM: 15729Bosch
2005-2010 Mercury Mariner Bosch Oxygen Sensor 15729
36.05, Save 39%   NEW ITEM
OEM: 15729, Item: 949788
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Upstream, Upstream Front, Upstream Rear, Downstream Front, Downstream Right

Mercury Mariner Oxygen Sensor, OEM: 22500NTK
2005-2010 Mercury Mariner NTK Oxygen Sensor 22500
36.25, Save 39%   NEW ITEM
OEM: 22500, Item: 72506
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Lower, Rear Left, Rear Right, Front Lower

Bosch
2005-2008 Mercury Mariner Bosch Oxygen Sensor 15719
37.65, Save 39%   NEW ITEM
OEM: 15719, Item: 66692
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Lower, Right Lower, Front Upper

Mercury Mariner Oxygen Sensor, OEM: 15718Bosch
2005-2006, 2009-2010 Mercury Mariner Bosch Oxygen Sensor 15718
38.05, Save 39%   NEW ITEM
OEM: 15718, Item: 66691
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Lower, Front Lower, Front Left, Rear Left, Rear Right

Mercury Mariner Oxygen Sensor, OEM: 234-4210/2344210Denso
2005-2010 Mercury Mariner Denso Oxygen Sensor 234-4210
38.35, Save 39%   NEW ITEM
OEM: 234-4210, Item: 1189878
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front, Downstream Rear

Mercury Mariner OE Style Oxygen Sensor, OEM: 18124Bosch
2005-2009 Mercury Mariner Bosch OE Style Oxygen Sensor 18124
39.05, Save 39%   NEW ITEM
OEM: 18124, Item: 1158878
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 250-24989/25024989Walker Products
2011 Mercury Mariner Walker Products Oxygen Sensor 250-24989
40.85, Save 39%   NEW ITEM
OEM: 250-24989, Item: 1195781
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front, Downstream Rear

Motorcraft
2005-2010 Mercury Mariner Motorcraft Oxygen Sensor DY1042
41.75, Save 39%   NEW ITEM
OEM: DY1042, Item: 1036679
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Upstream

Mercury Mariner Oxygen Sensor, OEM: 234-4490/2344490Denso
2011 Mercury Mariner Denso Oxygen Sensor 234-4490
41.75, Save 39%   NEW ITEM
OEM: 234-4490, Item: 1190132
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Mercury Mariner Oxygen Sensor, OEM: SG1809SMP
2005-2010 Mercury Mariner SMP Oxygen Sensor SG1809
43.55, Save 39%   NEW ITEM
OEM: SG1809, Item: 1102402
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 15383Bosch
2011 Mercury Mariner Bosch Oxygen Sensor 15383
44.55, Save 39%   NEW ITEM
OEM: 15383, Item: 1386822
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Left, Downstream Right

Mercury Mariner Oxygen Sensor, OEM: OS5465Spectra Premium
2011 Mercury Mariner Spectra Premium Oxygen Sensor OS5465
45.25, Save 39%   NEW ITEM
OEM: OS5465, Item: 1112697
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front

Motorcraft
2005-2008 Mercury Mariner Motorcraft Oxygen Sensor DY1047
46.75, Save 39%   NEW ITEM
OEM: DY1047, Item: 1036682
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Rear, Downstream Right

Mercury Mariner Oxygen Sensor, OEM: ES20407Delphi
2011 Mercury Mariner Delphi Oxygen Sensor ES20407
46.85, Save 39%   NEW ITEM
OEM: ES20407, Item: 997969
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear, Rear Left, Rear Right

Mercury Mariner Oxygen Sensor, OEM: 22113NTK
2005 Mercury Mariner NTK Oxygen Sensor 22113
47.35, Save 39%   NEW ITEM
OEM: 22113, Item: 72609
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left

Mercury Mariner Oxygen Sensor, OEM: 213-1317/2131317ACDelco
2005-2010 Mercury Mariner ACDelco Oxygen Sensor 213-1317
48.25, Save 39%   NEW ITEM
OEM: 213-1317, Item: 887882
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Motorcraft
2007-2010 Mercury Mariner Motorcraft Oxygen Sensor DY1048
48.35, Save 39%   NEW ITEM
OEM: DY1048, Item: 1294135
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Front

Mercury Mariner Oxygen Sensor, OEM: 22113NGK
2005-2006 Mercury Mariner NGK Oxygen Sensor 22113
48.75, Save 39%   NEW ITEM
OEM: 22113, Item: 1398821
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front

Motorcraft
2005-2006 Mercury Mariner Motorcraft Oxygen Sensor DY877
52.85, Save 39%   NEW ITEM
OEM: DY877, Item: 1036635
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Right

Motorcraft
2010-2011 Mercury Mariner Motorcraft Oxygen Sensor DY1141
53.85, Save 39%   NEW ITEM
OEM: DY1141, Item: 1036733
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front

Mercury Mariner Oxygen Sensor, OEM: 22135NGK
2011 Mercury Mariner NGK Oxygen Sensor 22135
55.95, Save 39%   NEW ITEM
OEM: 22135, Item: 1398832
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream, Downstream Front, Downstream Rear

Motorcraft
2009-2011 Mercury Mariner Motorcraft Oxygen Sensor DY1120
56.25, Save 39%   NEW ITEM
OEM: DY1120, Item: 1036720
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front

Motorcraft
2005-2006 Mercury Mariner Motorcraft Oxygen Sensor DY878
56.45, Save 39%   NEW ITEM
OEM: DY878, Item: 1036636
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Left

Motorcraft
2011 Mercury Mariner Motorcraft Oxygen Sensor DY1176
57.45, Save 39%   NEW ITEM
OEM: DY1176, Item: 1036759
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Motorcraft
2011 Mercury Mariner Motorcraft Oxygen Sensor DY1153
64.05, Save 39%   NEW ITEM
OEM: DY1153, Item: 1036740
  Only 9 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Rear

Motorcraft
2011 Mercury Mariner Motorcraft Oxygen Sensor DY1173
64.05, Save 39%   NEW ITEM
OEM: DY1173, Item: 1036756
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Front

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 234-5038/2345038Denso
2010-2011 Mercury Mariner Denso Air- Fuel Ratio Sensor 234-5038
82.75, Save 39%   NEW ITEM
OEM: 234-5038, Item: 1190559
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 250-25049/25025049Walker Products
2009-2011 Mercury Mariner Walker Products Oxygen Sensor 250-25049
83.05, Save 39%  
OEM: 250-25049, Item: 1195832
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 234-5039/2345039Denso
2010-2011 Mercury Mariner Denso Air- Fuel Ratio Sensor 234-5039
87.65, Save 39%   NEW ITEM
OEM: 234-5039, Item: 1190560
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 24388NGK
2010-2011 Mercury Mariner NGK Air- Fuel Ratio Sensor 24388
88.05, Save 39%   NEW ITEM
OEM: 24388, Item: 1399033
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 24387NGK
2010-2011 Mercury Mariner NGK Air- Fuel Ratio Sensor 24387
89.15, Save 39%   NEW ITEM
OEM: 24387, Item: 1399032
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream Front, Upstream Rear

Mercury Mariner Oxygen Sensor, OEM: 17475Bosch
2009-2011 Mercury Mariner Bosch Oxygen Sensor 17475
89.55, Save 39%   NEW ITEM
OEM: 17475, Item: 950024
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 234-5113/2345113Denso
2009-2011 Mercury Mariner Denso Air- Fuel Ratio Sensor 234-5113
92.75, Save 39%   NEW ITEM
OEM: 234-5113, Item: 1190624
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Mercury Mariner Oxygen Sensor, OEM: 250-25086/25025086Walker Products
2010-2011 Mercury Mariner Walker Products Oxygen Sensor 250-25086
110.45, Save 39%   NEW ITEM
OEM: 250-25086, Item: 1195855
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream, Upstream Front, Upstream Rear

Mercury Mariner OE Style Oxygen Sensor, OEM: 18088Bosch
2010-2011 Mercury Mariner Bosch OE Style Oxygen Sensor 18088
132.75, Save 39%   POPULAR
OEM: 18088, Item: 1171208
  Only 9 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

NTK
2009-2011 Mercury Mariner NTK Oxygen Sensor 24348
150.55, Save 39%   NEW ITEM
OEM: 24348, Item: 1372565
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upper

Mercury Mariner Air- Fuel Ratio Sensor, OEM: 24348NGK
2009-2011 Mercury Mariner NGK Air- Fuel Ratio Sensor 24348
154.95, Save 39%   NEW ITEM
OEM: 24348, Item: 1399017
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream