• Upstream and downstream O2 sensor kit 234-4529 234-4528
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2-Pc O2 Sensor Kit 234-4529 & 234-4528 for Chevy Cruze, Sonic, Trax & Buick Encore 1.4L 1.8L

2-Pc O2 Sensor Kit 234-4529 & 234-4528 for Chevy Cruze, Sonic, Trax & Buick Encore 1.4L 1.8L

$59.99 USD
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Cross Reference (OE & Cross Brand Part Numbers)

Upstream Sensor (Sensor 1 / Pre-Catalytic Converter)

  • Interchange Denso PN: 234-4529 / 2344529
  • Factory GM/ACDelco OEM PNs: 55569903, 55572993, 55563348, ACDelco 213-4764
  • Cross-Brand Competitor PNs:
    • Bosch: 17215 / 16104
    • NTK / NGK: 24410
    • Walker Products: 250-241052
Downstream Sensor (Sensor 2 / Post-Catalytic Converter)

  • Interchange Denso PN: 234-4528 / 2344528
  • Factory GM/ACDelco OEM PNs: 55572216, 55574136, 55562206, ACDelco 213-4760
  • Cross-Brand Competitor PNs:
    • Bosch: 15396 / 16040
    • NTK / NGK: 24259
    • Walker Products: 250-241049
Exact Vehicle Fitment / Application List

This list is precisely curated for General Motors 1.4L L4 EcoTec Turbocharged and 1.8L L4 engine platforms. This kit features an inline 4-cylinder layout (Bank 1 Sensor 1 and Bank 1 Sensor 2).
Chevrolet Models

  • Chevrolet Cruze
    • 2011-2015 Chevrolet Cruze 1.4L L4 Turbo / 1.8L L4 (Gasoline Models Only)
    • 2016 Chevrolet Cruze Limited 1.4L L4 Turbo / 1.8L L4 (First generation body style extension)
  • Chevrolet Trax
    • 2013-2020 Chevrolet Trax 1.4L L4 Turbo
  • Chevrolet Sonic
    • 2012-2020 Chevrolet Sonic 1.4L L4 Turbo
    • 2012-2018 Chevrolet Sonic 1.8L L4
Buick Models

  • Buick Encore
    • 2013-2020 Buick Encore 1.4L L4 Turbo (Note: Excludes Encore GX models)

    【Complete 2-Pcs Engine Solution】 Package includes 1x Upstream Oxygen Sensor (Denso 234-4529 equivalent) and 1x Downstream Oxygen Sensor (Denso 234-4528 equivalent). Replacing both front and rear units simultaneously may help resolve Check Engine light issues when caused by a faulty oxygen sensor, restore smooth acceleration, and pass strict state smog testing.

    【OEM Fit & Easy Installation】 Engineered strictly to original equipment standards. Built with factory-style 4-pin molded rectangular connectors and matching protective wiring harnesses. The true "Plug-and-Play" replacement is designed for direct-fit installation on compatible GM vehicles, plugging straight into your existing vehicle harness with no splicing or modifications required.

    【Precise ECU Signal Calibration】 Specially calibrated internal resistance prevents common voltage miscommunications found in generic "one-size-fits-all" universal sensors. Safely communicates with the engine computer to provide compatible signal performance when correctly matched to the vehicle

    【Premium Stainless Steel Build】 Features a dual-layered laser-welded stainless steel protective shell housing a premium ceramic sensing core. Designed to withstand the extreme exhaust manifold temperatures and heat spikes common in small-displacement turbocharged EcoTec engines.

    【Important Gasoline Verification Note】 Formulated exclusively for 1.4L Turbo and 1.8L naturally aspirated gasoline vehicle variants. Does NOT fit 2.0L Diesel engine options or newer generations (such as the Buick Encore GX). 

     

    Diagnostic Trouble Codes (DTCs) This Kit Will Clear

    • Upstream (Sensor 1) Errors: P0030, P0031, P0032, P0131, P0132, P0133, P0134, P0135 (Resolves rough idling, engine bucking under acceleration, and poor MPG)
    • Downstream (Sensor 2) Errors: P0136, P0137, P0138, P0139, P0140, P0141 (Resolves trailing catalytic converter metric tracking codes)
    • System Conditions: P0171 (System Too Lean), P0172 (System Too Rich)

     

     

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