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Chevrolet Trailblazer EXT Oxygen Sensor

You enjoy taking care of your Trailblazer EXT.

Select Your VehicleAnyone who owns a Chevrolet knows that when it comes to repairing their car, truck, or SUV only the highest quality replacement parts will do. Make no mistake, you didn't buy your Trailblazer EXT unless you understood you would be getting performance and American style both impeccably combined into one automobile. You purchased your Trailblazer EXT because its dependability and long-lasting quality agreed with your nature; so why would you settle for second rate when it comes to the highest quality auto parts? Your Chevrolet dealership isn't the only place to buy genuine or original equipment quality repair parts to fix your Trailblazer EXT.

Why Oxygen Sensor replacement is so important.

Achieving maximum power and fuel efficiency with your car or truck depends on your use of properly functioning air and fuel delivery parts. The fuel-injection system on your Chevrolet Trailblazer EXT is heavily controlled by a computer which uses data collected by your oxygen sensors. Your Chevrolet Trailblazer EXT 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... buy your replacements right now.

When your Chevrolet needs the best replacement Oxygen Sensor, there's no need to trust any store other than the authority, Car Parts Discount. Bring your Trailblazer EXT back to life with the best replacement parts from the experts at Car Parts Discount. At Car Parts Discount, we have live customer service members on the phone with enough expertise to help you purchase the appropriate Chevrolet Trailblazer EXT part for your needs. When it comes to Chevrolet Trailblazer EXT Oxygen Sensor parts, you can find them for 2006, 2005, 2004, 2003, 2002 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.
Select Your Year
Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4668/2344668Denso
2005 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4668
27.45, Save 39%   POPULAR
OEM: 234-4668, Item: 19430
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15284Bosch
2005 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15284
30.25, Save 39%   NEW ITEM
OEM: 15284, Item: 949637
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24470/25024470Walker Products
2005 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24470
31.15, Save 39%   NEW ITEM
OEM: 250-24470, Item: 1195538
  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, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4285/2344285Denso
2002-2006 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4285
32.85, Save 39%   NEW ITEM
OEM: 234-4285, Item: 1189947
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4647/2344647Denso
2003-2004 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4647
33.35, Save 39%   NEW ITEM
OEM: 234-4647, Item: 19615
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24339/25024339Walker Products
2002-2006 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24339
33.35, Save 39%   NEW ITEM
OEM: 250-24339, Item: 1195418
  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 Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4212/2344212Denso
2005 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4212
33.45, Save 39%   NEW ITEM
OEM: 234-4212, Item: 1189880
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24704/25024704Walker Products
2006 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24704
33.55, Save 39%   NEW ITEM
OEM: 250-24704, Item: 1195655
  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, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15894Bosch
2002-2006 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15894
34.05, Save 39%   NEW ITEM
OEM: 15894, Item: 949819
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4209/2344209Denso
2002-2005 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4209
34.15, Save 39%   NEW ITEM
OEM: 234-4209, Item: 1189877
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream, Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24654/25024654Walker Products
2004-2005 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24654
34.65, Save 39%   NEW ITEM
OEM: 250-24654, Item: 1195619
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4339/2344339Denso
2006 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4339
35.05, Save 39%   NEW ITEM
OEM: 234-4339, Item: 20805
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4650/2344650Denso
2003-2004 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4650
35.25, Save 39%   NEW ITEM
OEM: 234-4650, Item: 19574
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24269/25024269Walker Products
2003-2004 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24269
35.35, Save 39%   NEW ITEM
OEM: 250-24269, Item: 1195380
  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, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21044NGK
2002-2005 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21044
35.95, Save 39%   NEW ITEM
OEM: 21044, Item: 1398749
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4119/2344119Denso
2004-2005 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4119
36.55, Save 39%   NEW ITEM
OEM: 234-4119, Item: 1189791
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4112/2344112Denso
2002-2003 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4112
36.65, Save 39%   NEW ITEM
OEM: 234-4112, Item: 1189785
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24355/25024355Walker Products
2002-2003 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24355
37.05, Save 39%   NEW ITEM
OEM: 250-24355, Item: 1195433
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24703/25024703Walker Products
2006 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24703
37.05, Save 39%   NEW ITEM
OEM: 250-24703, Item: 1195654
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24698/25024698Walker Products
2006 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24698
37.25, Save 39%   NEW ITEM
OEM: 250-24698, Item: 1195651
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: ES20013Delphi
2005 Chevrolet Trailblazer EXT Delphi Oxygen Sensor ES20013
38.05, Save 39%   NEW ITEM
OEM: ES20013, Item: 997715
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4651/2344651Denso
2005 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4651
38.75, Save 39%   NEW ITEM
OEM: 234-4651, Item: 19571
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4331/2344331Denso
2006 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4331
39.35, Save 39%   NEW ITEM
OEM: 234-4331, Item: 1189991
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15730Bosch
2005-2006 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15730
39.95, Save 39%   NEW ITEM
OEM: 15730, Item: 66698
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upper

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4348/2344348Denso
2006 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4348
40.35, Save 39%   NEW ITEM
OEM: 234-4348, Item: 20783
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15895Bosch
2003-2005 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15895
41.25, Save 39%   NEW ITEM
OEM: 15895, Item: 949820
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21047NGK
2003-2004 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21047
42.55, Save 39%   NEW ITEM
OEM: 21047, Item: 1398752
  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 Left, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: ES20094Delphi
2003-2005 Chevrolet Trailblazer EXT Delphi Oxygen Sensor ES20094
42.95, Save 39%   NEW ITEM
OEM: ES20094, Item: 997791
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24836/25024836Walker Products
2003-2005 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24836
43.15, Save 39%   NEW ITEM
OEM: 250-24836, Item: 1195725
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21048NGK
2003-2005 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21048
43.95, Save 39%   NEW ITEM
OEM: 21048, Item: 1398753
  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: Downstream Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: ES10909Delphi
2004-2005 Chevrolet Trailblazer EXT Delphi Oxygen Sensor ES10909
44.55, Save 39%   NEW ITEM
OEM: ES10909, Item: 997637
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-1574/2131574ACDelco
2002-2005 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-1574
45.45, Save 39%   NEW ITEM
OEM: 213-1574, Item: 887929
  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: Center

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15898Bosch
2002-2003 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15898
46.25, Save 39%   NEW ITEM
OEM: 15898, Item: 949823
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21049NGK
2002-2003 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21049
46.85, Save 39%   NEW ITEM
OEM: 21049, Item: 1398754
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: ES20095Delphi
2003-2004 Chevrolet Trailblazer EXT Delphi Oxygen Sensor ES20095
47.15, Save 39%   NEW ITEM
OEM: ES20095, Item: 997792
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

Chevy Trailblazer EXT Oxygen Sensor, OEM: 15733Bosch
2002-2003 Chevrolet Trailblazer EXT Bosch Oxygen Sensor 15733
48.15, Save 39%   NEW ITEM
OEM: 15733, Item: 66701
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upper

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21023NGK
2006 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21023
49.45, Save 39%   NEW ITEM
OEM: 21023, Item: 1398743
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21054NGK
2004-2005 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21054
49.55, Save 39%   NEW ITEM
OEM: 21054, Item: 1398756
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3867/2133867ACDelco
2005 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3867
50.85, Save 39%   NEW ITEM
OEM: 213-3867, Item: 888111
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21049NTK
2002-2003 Chevrolet Trailblazer EXT NTK Oxygen Sensor 21049
51.45, Save 39%   NEW ITEM
OEM: 21049, Item: 71586
  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: Upper

Chevy Trailblazer EXT OE Style Oxygen Sensor, OEM: 15150Bosch
2006 Chevrolet Trailblazer EXT Bosch OE Style Oxygen Sensor 15150
53.55, Save 39%   NEW ITEM
OEM: 15150, Item: 581760
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-1527/2131527ACDelco
2003-2004 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-1527
54.05, Save 39%   NEW ITEM
OEM: 213-1527, Item: 887907
  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: Center

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3839/2133839ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3839
54.05, Save 39%   NEW ITEM
OEM: 213-3839, Item: 888095
  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: Center

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3539/2133539ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3539
54.55, Save 39%   NEW ITEM
OEM: 213-3539, Item: 888068
  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: Upstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 250-24950/25024950Walker Products
2006 Chevrolet Trailblazer EXT Walker Products Oxygen Sensor 250-24950
54.85, Save 39%   NEW ITEM
OEM: 250-24950, Item: 1195770
  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 Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: SG1826SMP
2002-2006 Chevrolet Trailblazer EXT SMP Oxygen Sensor SG1826
56.35, Save 39%   NEW ITEM
OEM: SG1826, Item: 1102409
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-1698/2131698ACDelco
2004-2005 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-1698
56.95, Save 39%   NEW ITEM
OEM: 213-1698, Item: 887971
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21545NGK
2006 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21545
58.05, Save 39%   NEW ITEM
OEM: 21545, Item: 1398781
  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 Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-2881/2132881ACDelco
2002-2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-2881
58.25, Save 39%   NEW ITEM
OEM: 213-2881, Item: 894245
  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, Downstream Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-1551/2131551ACDelco
2002-2003 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-1551
58.65, Save 39%   NEW ITEM
OEM: 213-1551, Item: 887915
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: SG708SMP
2002-2003 Chevrolet Trailblazer EXT SMP Oxygen Sensor SG708
59.25, Save 39%   NEW ITEM
OEM: SG708, Item: 1102361
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21558NGK
2006 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21558
61.75, Save 39%   NEW ITEM
OEM: 21558, Item: 1398787
  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: Upstream Left, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: ES20008Delphi
2006 Chevrolet Trailblazer EXT Delphi Oxygen Sensor ES20008
62.55, Save 39%   NEW ITEM
OEM: ES20008, Item: 997710
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3139/2133139ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3139
62.75, Save 39%   NEW ITEM
OEM: 213-3139, Item: 888025
  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: Center

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-1528/2131528ACDelco
2003-2004 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-1528
64.95, Save 39%   NEW ITEM
OEM: 213-1528, Item: 887908
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21546NGK
2005 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21546
65.55, Save 39%   NEW ITEM
OEM: 21546, Item: 1398782
  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, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 21576NGK
2006 Chevrolet Trailblazer EXT NGK Oxygen Sensor 21576
65.75, Save 39%   NEW ITEM
OEM: 21576, Item: 1398788
  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: Downstream Left, Downstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 234-4561/2344561Denso
2006 Chevrolet Trailblazer EXT Denso Oxygen Sensor 234-4561
66.55, Save 39%   NEW ITEM
OEM: 234-4561, Item: 402789
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-2934/2132934ACDelco
2005 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-2934
66.65, Save 39%   NEW ITEM
OEM: 213-2934, Item: 888012
  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, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3537/2133537ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3537
67.35, Save 39%   NEW ITEM
OEM: 213-3537, Item: 888066
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Downstream

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3882/2133882ACDelco
2004-2005 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3882
68.15, Save 39%   NEW ITEM
OEM: 213-3882, Item: 888113
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-2877/2132877ACDelco
2003-2004 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-2877
71.65, Save 39%   NEW ITEM
OEM: 213-2877, Item: 894244
  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 Left, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-3824/2133824ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-3824
79.05, Save 39%   NEW ITEM
OEM: 213-3824, Item: 888091
  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

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-4351/2134351ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-4351
99.85, Save 39%   NEW ITEM
OEM: 213-4351, Item: 888201
  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 Left, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-4351/2134351ACDelco
2006 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-4351
100.75, Save 39%   NEW ITEM
OEM: 213-4351, Item: 1459107
  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 Left, Upstream Right

Chevy Trailblazer EXT Oxygen Sensor, OEM: 213-2915/2132915ACDelco
2002-2003 Chevrolet Trailblazer EXT ACDelco Oxygen Sensor 213-2915
105.25, Save 39%   NEW ITEM
OEM: 213-2915, Item: 888010
  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