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Cadillac CT4 Oxygen Sensor Replacement

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  1. ✓ In Stock 2020-2026 Cadillac CT4 Rear Lower Oxygen Sensor - Front (Used OEM)

    2020-2026 Cadillac CT4 Rear Lower Oxygen Sensor - Front (Used OEM)

    Partslink #: SOX-GM8Y21

    It is a front upper emission system oxygen sensor. It fits vehicles with a 2.0L engine.

    Condition: Excellent (A)
    Mileage: 63,200 miles

    $69.95 View part →
  2. ✓ In Stock 2020-2022 Cadillac CT4 Upstream and Downstream Oxygen Sensor Set (Used OEM)

    2020-2022 Cadillac CT4 Upstream and Downstream Oxygen Sensor Set (Used OEM)

    Partslink #: PB-9771-0000386191

    Condition: Excellent (A)
    Mileage: 12,000 miles

    $72.95 View part →
  3. ✓ In Stock 2020-2022 Cadillac CT4 Upstream and Downstream Oxygen O2 Sensor Set (Used OEM)

    2020-2022 Cadillac CT4 Upstream and Downstream Oxygen O2 Sensor Set (Used OEM)

    Partslink #: PB-9771-0000420180

    Condition: Excellent (A)
    Mileage: 33,000 miles

    $72.95 View part →
  4. ✓ In Stock 2020-2024 Cadillac CT4 Upstream and Downstream Oxygen O2 Sensor Set (Used OEM)

    2020-2024 Cadillac CT4 Upstream and Downstream Oxygen O2 Sensor Set (Used OEM)

    Partslink #: PB-9771-0000444529

    Condition: Excellent (A)
    Mileage: 30,000 miles

    $72.95 View part →
  5. ✓ In Stock 2020-2022 Cadillac CT4 Oxygen Sensor - Downstream (ACDelco)

    2020-2022 Cadillac CT4 Oxygen Sensor - Downstream (ACDelco)

    Partslink #: W0133-4076547
    $73.24 View part →
  6. ✓ In Stock 2022-2024 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2022-2024 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 350-341033
    $74.04 View part →
  7. ✓ In Stock 2022-2023 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2022-2023 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 250-241238
    $84.65 View part →
  8. ✓ In Stock 2022-2025 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2022-2025 Cadillac CT4 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 21087

    B2S2 OE MFR: NTK

    $88.52 View part →
  9. ✓ In Stock 2022-2024 Cadillac CT4 Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    2022-2024 Cadillac CT4 Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-35110
    $103.91 View part →
  10. ✓ In Stock 2022-2023 Cadillac CT4 Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    2022-2023 Cadillac CT4 Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-25128
    $133.38 View part →
  11. ✓ In Stock 2020-2022 Cadillac CT4 Downstream Oxygen Sensor - Front (Used OEM)

    2020-2022 Cadillac CT4 Downstream Oxygen Sensor - Front (Used OEM)

    Partslink #: SOX-GM4I23

    It fits front left upper emission applications.

    Condition: Excellent (A)
    Mileage: 10,900 miles

    $79.95 View part →
  12. ✓ In Stock 2020-2026 Cadillac CT4 Downstream Oxygen Sensor (Used OEM)

    2020-2026 Cadillac CT4 Downstream Oxygen Sensor (Used OEM)

    Partslink #: SOX-GM6320

    It fits vehicles with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 53,500 miles

    $79.95 View part →
  13. ✓ In Stock 2020-2026 Cadillac CT4 Downstream Oxygen Sensor (Used OEM)

    2020-2026 Cadillac CT4 Downstream Oxygen Sensor (Used OEM)

    Partslink #: SOX-GM6421

    It fits vehicles with the engine emission system.

    Condition: Excellent (A)
    Mileage: 33,100 miles

    $79.95 View part →
  14. ✓ In Stock 2020-2026 Cadillac CT4 Heated Oxygen Sensor (Used OEM)

    2020-2026 Cadillac CT4 Heated Oxygen Sensor (Used OEM)

    Partslink #: SOX-GM6M20

    Condition: Excellent (A)
    Mileage: 31,300 miles

    $79.95 View part →
  15. ✓ In Stock 2020-2025 Cadillac CT4 Upstream and Downstream Oxygen Sensor Set (Used OEM)

    2020-2025 Cadillac CT4 Upstream and Downstream Oxygen Sensor Set (Used OEM)

    Partslink #: PB-9052-0000363476

    Condition: Excellent (A)
    Mileage: 2,000 miles

    $89.95 View part →
  16. ✓ In Stock 2020-2022 Cadillac CT4 Oxygen Sensor - Upstream (ACDelco)

    2020-2022 Cadillac CT4 Oxygen Sensor - Upstream (ACDelco)

    Partslink #: W0133-4076550
    $95.76 View part →
  17. ✓ In Stock 2020-2023 Cadillac CT4 Oxygen Sensor - Downstream (Walker Products)

    2020-2023 Cadillac CT4 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-241269

    B1S2

    $98.01 View part →
  18. ✓ In Stock 2022 Cadillac CT4 Oxygen Sensor - Upstream (ACDelco)

    2022 Cadillac CT4 Oxygen Sensor - Upstream (ACDelco)

    Partslink #: W0133-2512540
    $98.29 View part →
  19. ✓ In Stock 2020-2024 Cadillac CT4 Oxygen Sensor - Upstream (Walker Products)

    2020-2024 Cadillac CT4 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35163

    B1S1

    $113.27 View part →
  20. ✓ In Stock 2020-2023 Cadillac CT4 Oxygen Sensor - Upstream (Walker Products)

    2020-2023 Cadillac CT4 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25140

    B1S1

    $113.27 View part →

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Oxygen Sensor Compatibility for Cadillac CT4

Browse our selection of quality oxygen sensor parts designed specifically for your Cadillac CT4. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Luxury · Premium Luxury · Sport · V · V Blackwing

Body Types

Sedan

Engine Options

L4 2.0L · L4 2.7L · V6 3.6L

Transmissions

Automatic · Manual

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