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Oxygen Sensor - GM (25203197)

2020-2026 GM - 25203197

Oxygen Sensor - GM (25203197)

2020-2026 GM - 25203197

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 25203197
  • 55503721

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    25203197

  • Positions: Lower
  • Other Names:

    Lower Oxygen Sensor, Sensor

  • Description:

    Genuine GM OEM Oxygen Sensor MPN 25203197 is a downstream emissions sensor engineered for 1.2L turbo engines in select GM vehicles including the Encore GX, Trailblazer, Trax, and Envista. This critical exhaust system component monitors oxygen levels post-catalytic converter to optimize fuel mixture and reduce emissions. Buying OEM ensures proper fit, performance, and engine diagnostics without fault codes. - Downstream oxygen sensor designed for post-catalytic converter exhaust monitoring on GM vehicles - OEM fitment for 1.2L turbo-equipped Chevrolet Encore GX, Trailblazer, Trax, and Buick Envista models - Regulates air-fuel ratio through real-time O2 detection to improve fuel economy and emissions compliance - Compatible with original GM exhaust and engine management systems for seamless integration - Genuine OEM part—not aftermarket—guarantees factory specifications and durability standards

  • Replaces:

    55503721

  • MSRP: $54.01
  • Discount: $18.95 (35.1% off)
  • Sale Price: $35.06
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 25203197
  • 55503721

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    25203197

  • Positions: Lower
  • Other Names:

    Lower Oxygen Sensor, Sensor

  • Description:

    Genuine GM OEM Oxygen Sensor MPN 25203197 is a downstream emissions sensor engineered for 1.2L turbo engines in select GM vehicles including the Encore GX, Trailblazer, Trax, and Envista. This critical exhaust system component monitors oxygen levels post-catalytic converter to optimize fuel mixture and reduce emissions. Buying OEM ensures proper fit, performance, and engine diagnostics without fault codes. - Downstream oxygen sensor designed for post-catalytic converter exhaust monitoring on GM vehicles - OEM fitment for 1.2L turbo-equipped Chevrolet Encore GX, Trailblazer, Trax, and Buick Envista models - Regulates air-fuel ratio through real-time O2 detection to improve fuel economy and emissions compliance - Compatible with original GM exhaust and engine management systems for seamless integration - Genuine OEM part—not aftermarket—guarantees factory specifications and durability standards

  • Replaces:

    55503721

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

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