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Replacement and OEM Parts for 2008 Cadillac CTS Oxygen Sensor

2008 Cadillac CTS Oxygen Sensor

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2008 Cadillac CTS
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Oxygen Sensors
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23 Products found

6 Q&A for Oxygen Sensor Repair
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  • OEM (Genuine) 2008 Cadillac CTS Front Oxygen Sensor

    PartNumber: 19353381
    OEM 2008 Cadillac CTS Front Oxygen Sensor - 19353381
    Product Specifications
    • Notes: 3.6 Liter, W/Direct Injection
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.1 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12594935
    • Part Description: Front Oxygen Sensor
    More Info
    $122.79 MSRP: $231.70
    You Save: $108.91 (48%)
  • Denso Oxygen Sensor for 2008 Cadillac CTS - 234-4819

    Denso® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 234-4819
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113312
    • Wire Harness Length: 14.17" (359.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $66.34
  • Delphi Oxygen Sensor for 2008 Cadillac CTS - ES20095

    Delphi® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: ES20095
    Product Specifications
    • Notes: 24in Length
    • Connector Shape: Square
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604144763
    • Wire Harness Length: 16" (400 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $53.01
  • Spectra Premium Oxygen Sensor for 2008 Cadillac CTS - OS5509

    Spectra Premium® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: OS5509
    Product Specifications
    • Notes: Bank 1 Sensor 2;Bank 2 Sensor 2
    • Connector Gender: Female
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 14 15/16"
    • Position: Downstream Driver Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607538946
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $26.51
  • Walker Products Wideband Premium Oxygen Sensor for 2008 Cadillac CTS - 250-25038

    Walker Products® Wideband Premium Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 250-25038
    Product Specifications
    • Notes: w/o Direct Inj
    • Connector Gender: Male
    • Overall Length: 16.85"(427.99 mm)
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018626
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Wideband Premium Oxygen Sensor
    More Info
    $119.47
  • OEM (Genuine) 2008 Cadillac CTS Front Oxygen Sensor

    PartNumber: 12596327
    OEM 2008 Cadillac CTS Front Oxygen Sensor - 12596327
    Product Specifications
    • Notes: 3.6 Liter, W/O Direct Injectio
    • Location: Driver Side; Passenger Side
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.4 x 3.4 x 3.3 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Front Oxygen Sensor
    More Info
    $139.16 MSRP: $262.57
    You Save: $123.41 (48%)
  • Denso Oxygen Sensor for 2008 Cadillac CTS - 234-4244

    Denso® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 234-4244
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116986
    • Wire Harness Length: 12.6" (320 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $45.34
  • Delphi Oxygen Sensor for 2008 Cadillac CTS - ES20117

    Delphi® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: ES20117
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145296
    • Wire Harness Length: 17.2" (430 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $51.81
  • Walker Products Oxygen Sensor for 2008 Cadillac CTS - 350-35013

    Walker Products® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 350-35013
    Product Specifications
    • Notes: w/o Direct Inj; Upstream; Right;w/o Direct Inj; Upstream; Left;Upstream; Left;Upstream; Right
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 16.85"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094798
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 5 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $119.47
  • OEM (Genuine) 2008 Cadillac CTS Rear Oxygen Sensor

    PartNumber: 12601266
    OEM 2008 Cadillac CTS Rear Oxygen Sensor - 12601266
    Product Specifications
    • Notes: 3.6 Liter, Auto Trans
    • Location: Driver Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.1 x 2.0 x 2.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Rear Oxygen Sensor
    More Info
    $39.07 MSRP: $73.74
    You Save: $34.67 (48%)
  • Delphi Oxygen Sensor for 2008 Cadillac CTS - ES20113

    Delphi® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: ES20113
    Product Specifications
    • Notes: 9in Length
    • Connector Shape: Square
    • Position: Rear Passenger Side
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145265
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $43.96
  • Walker Products Premium Oxygen Sensor for 2008 Cadillac CTS - 250-24324

    Walker Products® Premium Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 250-24324
    Product Specifications
    • Notes: w/Direct Inj
    • Connector Gender: Female
    • Overall Length: 15.87"(403.098 mm)
    • Position: Upstream Front
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620044274
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $70.48
  • OEM (Genuine) 2008 Cadillac CTS Rear Oxygen Sensor

    PartNumber: 12597449
    OEM 2008 Cadillac CTS Rear Oxygen Sensor - 12597449
    Product Specifications
    • Notes: 3.6 Liter, Auto Trans;3.6 Liter, Manual Trans; CTS; Rear
    • Location: Driver Side; Passenger Side
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.5 x 3.4 x 3.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Rear Oxygen Sensor
    More Info
    $89.50 MSRP: $168.88
    You Save: $79.38 (48%)
  • Walker Products Oxygen Sensor for 2008 Cadillac CTS - 350-34428

    Walker Products® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 350-34428
    Product Specifications
    • Notes: w/Direct Inj; Upstream; Right;w/Direct Inj; Upstream; Left
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: B1S2
    • Overall Length: 15.87"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092435
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 12.32"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $55.14
  • Walker Products Premium Oxygen Sensor for 2008 Cadillac CTS - 250-24773

    Walker Products® Premium Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 250-24773
    Product Specifications
    • Notes: w/o Direct Inj;w/Direct Inj
    • Connector Gender: Male
    • Overall Length: 15.87"(403.098 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014703
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $44.99
  • Walker Products Premium Oxygen Sensor for 2008 Cadillac CTS - 250-24746

    Walker Products® Premium Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 250-24746
    Product Specifications
    • Notes: w/o Direct Inj;w/Direct Inj
    • Connector Gender: Female
    • Overall Length: 14.88"(377.952 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014802
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 11.34"(288.036 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $46.45
  • Walker Products Oxygen Sensor for 2008 Cadillac CTS - 350-34003

    Walker Products® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 350-34003
    Product Specifications
    • Notes: w/o Direct Inj; Downstream; Right;w/o Direct Inj; Downstream; Left;w/Direct Inj; Downstream; Right;Downstream; Right;Downstream; Left;w/Direct Inj; Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 15.87"
    • Position: Upstream Rear
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620088278
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $37.87
  • Walker Products Oxygen Sensor for 2008 Cadillac CTS - 350-34098

    Walker Products® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 350-34098
    Product Specifications
    • Notes: Downstream; Right;w/o Direct Inj; Downstream; Left;w/Direct Inj; Downstream; Left
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 14.88"
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620089220
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 11.34"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $42.59
  • NTK OE Type Oxygen Sensor for 2008 Cadillac CTS - 21571

    NTK® OE Type Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 21571
    Product Specifications
    • Notes: B1S2; OE Equivalent Design;B2S2; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215715
    • Wire Quantity: 4
    • Wiring Harness Length: 12.7500
    • Part Description: OE Type Oxygen Sensor
    More Info
    $59.52
  • NTK OE Type Oxygen Sensor for 2008 Cadillac CTS - 21575

    NTK® OE Type Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 21575
    Product Specifications
    • Notes: B2S1; OE Equivalent Design;B1S1; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215753
    • Wire Quantity: 4
    • Wiring Harness Length: 14.7500
    • Part Description: OE Type Oxygen Sensor
    More Info
    $71.30
  • Spectra Premium Oxygen Sensor for 2008 Cadillac CTS - OS5552

    Spectra Premium® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: OS5552
    Product Specifications
    • Notes: Bank 2 Sensor 2
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 15 3/4"
    • Position: Downstream Driver Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607539370
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
  • Denso Oxygen Sensor for 2008 Cadillac CTS - 234-4818

    Denso® Oxygen Sensor for 2008 Cadillac CTS

    PartNumber: 234-4818
    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: 042511113305
    • Wire Harness Length: 9.84" (249.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
  • OEM (Genuine) 2008 Cadillac CTS Sensor Asm, Heated Oxygen (Position 1)

    PartNumber: 19237464
    OEM 2008 Cadillac CTS Sensor Asm, Heated Oxygen (Position 1) - 19237464
    Product Specifications
    • Notes: CTS; Front
    • Item Dimensions: 7.3 x 2.4 x 2.2 inches
    • Item Weight: 0.70 Pounds
    • Part Description: Sensor Asm, Heated Oxygen (Position 1)
    More Info

FAQ for Oxygen Sensor Repair

Q: What guidelines should be used 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 ensure that the sensor or vehicle lead wires are not bent sharply or kinked and that the peripheral seal remains intact on the vehicle harness connector.
By Bob
GM Specialist
02/11/2022
Q: What should you do when replacing the HO2S?
A:
You should perform a code clear with a scan tool, regardless of whether or not a DTC is set.
By Bob
GM Specialist
02/11/2022
Q: How to remove the Heated Oxygen Sensor-Bank 1 Sensor 1?
A:
First, you need to turn the ignition OFF and remove the fuel injector sight shield. Then, please disconnect the heated oxygen sensor (HO2S) electrical connector and remove the HO2S electrical connector from the wiring harness bracket. Finally, you should remove the HO2S from the catalytic converter.
By Bob
GM Specialist
02/11/2022
Q: How to remove the Heated Oxygen Sensor-Bank 1 Sensor 2?
A:
First, you need to turn the ignition OFF and raise and support the vehicle. Then, please disconnect the heated oxygen sensor (HO2S) electrical connector and remove the HO2S wiring harness from the transmission case. Finally, you should remove the HO2S.
By Bob
GM Specialist
02/11/2022
Q: How to install the Heated Oxygen Sensor-Bank 1 Sensor 1?
A:
First, you need to install the HO2S to the catalytic converter. Then, please install the HO2S electrical connector to the wiring harness bracket. Finally, you should connect the HO2S electrical connector and install the fuel injector sight shield.
By Bob
GM Specialist
02/11/2022
Q: How to install the Heated Oxygen Sensor-Bank 1 Sensor 2?
A:
First, you need to install the HO2S and connect the HO2S electrical connector. Then, please install the HO2S wiring harness to the transmission case. Finally, you should lower the vehicle.
By Bob
GM Specialist
02/11/2022
See more FAQs (1)