Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2009 Chevrolet Trailblazer Oxygen Sensor

2009 Chevrolet Trailblazer Oxygen Sensor

My Vehicle Change Vehicle
2009 Chevrolet Trailblazer
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Oxygen Sensors
  • Department
  • Product Fit
  • Brands
  • Prices

30 Products found

5 Q&A for Oxygen Sensor Repair
Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2009 Chevrolet Trailblazer Rear Oxygen Sensor

    PartNumber: 12604575
    OEM 2009 Chevrolet Trailblazer Rear Oxygen Sensor - 12604575
    Product Specifications
    • Notes: All Models; 4.2L; Rear; 4.2 Liter
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.2 x 3.2 x 3.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Chevrolet Trailblazer Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | Base, LT | 6 Cyl 4.2 L GAS
    $96.46 MSRP: $182.02
    You Save: $85.56 (48%)
  • Denso Oxygen Sensor for 2009 Chevrolet Trailblazer - 234-4246

    Denso® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 234-4246
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511117006
    • Wire Harness Length: 14.84" (376.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $48.28
  • Delphi Oxygen Sensor for 2009 Chevrolet Trailblazer - ES20008

    Delphi® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: ES20008
    Product Specifications
    • Notes: 41in Length
    • Connector Shape: Triangular
    • Position: Upstream
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145531
    • Wire Harness Length: 15.2" (380 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | SS | 8 Cyl 6.0L
    $70.32
  • OEM (Genuine) 2009 Chevrolet Trailblazer Front Oxygen Sensor

    PartNumber: 12592591
    OEM 2009 Chevrolet Trailblazer Front Oxygen Sensor - 12592591
    Product Specifications
    • Notes: All Models; 4.2L; Front; 4.2 Liter
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.4 x 3.3 x 3.4 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Chevrolet Trailblazer Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | Base, LS, LT | 6 Cyl 4.2 L GAS
    $42.35 MSRP: $79.91
    You Save: $37.56 (48%)
  • Spectra Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - OS5502

    Spectra Premium® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: OS5502
    Product Specifications
    • Notes: Bank 1 Sensor 1
    • Connector Gender: Male
    • Connector Shape: Trapeze
    • Installation Type: Screw
    • Overall Length: 22 1/4"
    • Position: Front
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607538878
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $39.44
  • NTK OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer - 21059

    NTK® OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 21059
    Product Specifications
    • Notes: B2S2; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295210598
    • Wire Quantity: 4
    • Wiring Harness Length: 15.0000
    • Part Description: 2009 Chevrolet Trailblazer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 5.3L
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $48.24
  • Denso Oxygen Sensor for 2009 Chevrolet Trailblazer - 234-4243

    Denso® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 234-4243
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116979
    • Wire Harness Length: 14.84" (376.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $42.13
  • Walker Products Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - 250-24491

    Walker Products® Premium Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 250-24491
    Product Specifications
    • Connector Gender: Male
    • Location: B2S1 Sensor
    • Overall Length: 16.06"(407.924 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043734
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.52"(318.008 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $44.07
  • Delphi Oxygen Sensor for 2009 Chevrolet Trailblazer - ES20088

    Delphi® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: ES20088
    Product Specifications
    • Connector Shape: Triangular
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145135
    • Wire Harness Length: 16" (400 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | LT | 6 Cyl 4.2L
    $67.31
  • OEM (Genuine) 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 2)

    PartNumber: 12590749
    OEM 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 2) - 12590749
    Product Specifications
    • Notes: All Models; 5.3L; Front;All Models; 6.0L; Front; 5.3 Liter;6.0 Liter
    • Location: Driver Side; Passenger Side
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.4 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 2)
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    $44.78 MSRP: $92.99
    You Save: $48.21 (52%)
  • Spectra Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - OS5516

    Spectra Premium® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: OS5516
    Product Specifications
    • Notes: Bank 1 Sensor 1;Bank 2 Sensor 1
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 18 7/8"
    • Position: Upstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607539011
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $32.58
  • Denso Oxygen Sensor for 2009 Chevrolet Trailblazer - 234-4331

    Denso® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 234-4331
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113114
    • Wire Harness Length: 18.9" (480.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $40.62
  • Walker Products Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - 250-24698

    Walker Products® Premium Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 250-24698
    Product Specifications
    • Connector Gender: Female
    • Location: B1S2 Sensor
    • Overall Length: 20.79"(528.066 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014215
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 17.24"(437.896 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $43.87
  • Delphi Oxygen Sensor for 2009 Chevrolet Trailblazer - ES20352

    Delphi® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: ES20352
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201510
    • Wire Harness Length: 17.2" (430 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | SS | 8 Cyl 6.0L
    $66.77
  • Denso Oxygen Sensor for 2009 Chevrolet Trailblazer - 234-4294

    Denso® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 234-4294
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113107
    • Wire Harness Length: 14.76" (374.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $35.30
  • Walker Products Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - 250-24708

    Walker Products® Premium Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 250-24708
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 16.85"(427.99 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014260
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $36.93
  • Delphi Oxygen Sensor for 2009 Chevrolet Trailblazer - ES20355

    Delphi® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: ES20355
    Product Specifications
    • Connector Shape: Triangular
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201534
    • Wire Harness Length: 20" (500 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | LT | 6 Cyl 4.2L
    $55.59
  • Denso Oxygen Sensor for 2009 Chevrolet Trailblazer - 234-4339

    Denso® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 234-4339
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113183
    • Wire Harness Length: 15.75" (400.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $34.97
  • Walker Products Oxygen Sensor for 2009 Chevrolet Trailblazer - 350-34551

    Walker Products® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 350-34551
    Product Specifications
    • Notes: Downstream; Right
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 16.06"
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093630
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.52"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $37.57
  • Walker Products Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - 250-24704

    Walker Products® Premium Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 250-24704
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 17.64"(448.056 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014246
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"(357.886 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $36.51
  • Walker Products Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - 250-24703

    Walker Products® Premium Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 250-24703
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 18.03"(457.962 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014239
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.49"(368.046 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $41.82
  • Walker Products Oxygen Sensor for 2009 Chevrolet Trailblazer - 350-34620

    Walker Products® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 350-34620
    Product Specifications
    • Notes: Downstream
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 16.85"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094309
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $34.88
  • Walker Products Oxygen Sensor for 2009 Chevrolet Trailblazer - 350-34489

    Walker Products® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 350-34489
    Product Specifications
    • Notes: Upstream
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: B1S2
    • Overall Length: 20.79"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093036
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 17.24"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $35.05
  • Walker Products Oxygen Sensor for 2009 Chevrolet Trailblazer - 350-34483

    Walker Products® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 350-34483
    Product Specifications
    • Notes: Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 18.03"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092978
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.49"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $35.45
  • Walker Products Oxygen Sensor for 2009 Chevrolet Trailblazer - 350-34484

    Walker Products® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 350-34484
    Product Specifications
    • Notes: Upstream; Left;Upstream; Right
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 17.64"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092985
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.09"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $32.85
  • NTK OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer - 21058

    NTK® OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 21058
    Product Specifications
    • Notes: B1S2; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295210581
    • Wire Quantity: 4
    • Wiring Harness Length: 15.0000
    • Part Description: 2009 Chevrolet Trailblazer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L
    $38.74
  • Spectra Premium Oxygen Sensor for 2009 Chevrolet Trailblazer - OS5469

    Spectra Premium® Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: OS5469
    Product Specifications
    • Notes: Bank 2 Sensor 2
    • Connector Gender: Female
    • Connector Shape: Trapeze
    • Installation Type: Screw
    • Overall Length: 16 1/8"
    • Position: Driver Side Lower
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607539943
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2009 Chevrolet Trailblazer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $34.53
  • NTK OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer - 21558

    NTK® OE Type Oxygen Sensor for 2009 Chevrolet Trailblazer

    PartNumber: 21558
    Product Specifications
    • Notes: B1S1; OE Equivalent Design;B2S1; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215586
    • Wire Quantity: 4
    • Wiring Harness Length: 16.5000
    • Part Description: 2009 Chevrolet Trailblazer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 5.3L
    • 2009 Chevrolet Trailblazer | All Trims | 8 Cyl 6.0L
    $40.57
  • OEM (Genuine) 2009 Chevrolet Trailblazer Rear Oxygen Sensor

    PartNumber: 12609477
    OEM 2009 Chevrolet Trailblazer Rear Oxygen Sensor - 12609477
    Product Specifications
    • Notes: All Models; 5.3L; Rear; Right;All Models; 6.0L; Rear; Right; 5.3 Liter;6.0 Liter
    • Location: Passenger Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.1 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Chevrolet Trailblazer Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | Base, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
  • OEM (Genuine) 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 3)

    PartNumber: 12612506
    OEM 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 3) - 12612506
    Product Specifications
    • Notes: All Models; 5.3L; Rear; Left;All Models; 6.0L; Rear; Left; 5.3 Liter;6.0 Liter
    • Location: Driver Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 7.2 x 2.1 x 2.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Chevrolet Trailblazer Sensor Asm-Heated Oxygen (Position 3)
    More Info
    Vehicle Fitment
    • 2009 Chevrolet Trailblazer | Base, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

FAQ for Oxygen Sensor Repair

Q: How to remove the Heated Oxygen Sensor-Sensor 2?
A:
First, you need to raise and suitably support the vehicle. Then, please disconnect the heated oxygen sensor (HO2S) electrical connector from the engine wiring harness electrical connector. Finally, you should remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: How to install the Heated Oxygen Sensor-Sensor 2?
A:
First, you need to coat the threads with the anti-seize compound P/N 12377953, or equivalent. Then, please install the HO2S. Finally, you should connect the HO2S electrical connector to the engine wiring harness electrical connector and lower the vehicle.
By Bob
GM Specialist
02/11/2022
Q: How to remove the Heated Oxygen Sensor-Sensor 1?
A:
First, you need to remove the connector position assurance (CPA) retainer from the heated oxygen sensor (HO2S) connection. Then, please disconnect the engine wiring harness electrical connector from the HO2S electrical connector. Finally, you should remove the HO2S electrical connector clip from the transmission fluid fill tube bracket and remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: How to install the Heated Oxygen Sensor-Sensor 1?
A:
First, you need to coat the threads with the anti-seize compound P/N 12377953, or equivalent. Then, please install the HO2S and connect the engine wiring harness electrical connector to the HO2S electrical connector. Finally, you should install the HO2S electrical connector clip to the transmission fluid fill tube bracket and install the CPA retainer to the HO2S connection.
By Bob
GM Specialist
02/11/2022
Q: What should be noticed when servicing the heated oxygen sensor?
A:
You should not apply contact cleaner or other materials to the sensor or vehicle harness connectors. You should not damage the sensor pigtail and harness wires in such a way that the wires inside are exposed. You should not remove or defeat the oxygen sensor ground wire, where applicable. You should ensure that the peripheral seal remains intact on the vehicle harness connector to prevent damage due to water intrusion.
By Bob
GM Specialist
02/11/2022