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Includes Bank 1 \u0026amp; 2 sensors (Sensor 1 \u0026amp; 2)\u003c\/li\u003e\n \u003cli\u003eSUPERIOR QUALITY - Manufactured to match original equipment specifications with durable materials for precise air-fuel ratio readings. Compatible with part numbers 234-4285 and 234-4343\u003c\/li\u003e\n \u003cli\u003eENGINE PERFORMANCE - Helps maintain proper engine operation by monitoring gas levels, which can support fuel efficiency and smooth acceleration\u003c\/li\u003e\n \u003cli\u003eSIMPLE INSTALL - Direct plug-in design with factory-style connectors. Includes step-by-step guide. Note: Recommend checking vehicle compatibility before purchase\u003c\/li\u003e\n \u003cli\u003eWHAT YOU GET - 2 oxygen sensors (Upstream \u0026amp; Downstream) with proper wiring connections. Use vehicle selector to confirm fit\u003c\/li\u003e\n \u003c\/ul\u003e"}

O2 Oxygen Sensor Upstream Downstream Bank 1 & 2 SG272 234-4285 Fit 2002-2003 for Chevy Trailblazer EXT for GMC Envoy XL for Isuzu Ascender for Oldsmobile Bravada 4.2L V6 Engine Cylinder 2PCS

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O2 Oxygen Sensor Upstream Downstream Bank 1 & 2 SG272 234-4285 Fit 2002-2003 for Chevy Trailblazer EXT for GMC Envoy XL for Isuzu Ascender for Oldsmobile Bravada 4.2L V6 Engine Cylinder 2PCS

Product Features

  • FIT - Direct replacement for 2002-2003 for Chevy Trailblazer/EXT, for GMC Envoy/XL, for Isuzu Ascender & for Oldsmobile Bravada with 4.2L V6 engine. Includes Bank 1 & 2 sensors (Sensor 1 & 2)
  • SUPERIOR QUALITY - Manufactured to match original equipment specifications with durable materials for precise air-fuel ratio readings. Compatible with part numbers 234-4285 and 234-4343
  • ENGINE PERFORMANCE - Helps maintain proper engine operation by monitoring gas levels, which can support fuel efficiency and smooth acceleration
  • SIMPLE INSTALL - Direct plug-in design with factory-style connectors. Includes step-by-step guide. Note: Recommend checking vehicle compatibility before purchase
  • WHAT YOU GET - 2 oxygen sensors (Upstream & Downstream) with proper wiring connections. Use vehicle selector to confirm fit