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Home / QIJIAUTO / Replacement Parts
O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota 4Runner 1999-2000 & Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839 - Fix Check Engine Light, Improve Fuel Mileage in Saudi Arabia

O2 Oxygen Sensor Upstream & Downstream 2PCS - Fits for Toyota for 4Runner 1999-2000 & for Tacoma 2000 2.7L 3.4L V6, Replaces 234-9003 234-9001, SG1839

SAR 109

Brand
QIJIAUTO
Weight
320 g
1 +

Special Features

  • FUNCTION - Solves check engine light issues, lowers fuel usage, and smooths engine performance. Direct-fit design ensures stable operation and long-lasting use for better vehicle efficiency.
  • ADVANTAGE - Protective layer helps avoid sensor damage. Made with silver alloy for easy installation. Matches original specs for Toyota 4Runner and Tacoma.
  • FITMENT - Works with: for Toyota 4Runner 1999-2000 (2.7L & 3.4L engines). for Toyota Tacoma 2000 (2.7L & 3.4L engines). Check your engine size and connector before buying.
  • PERFORMANCE - No coding needed—improves gas mileage and engine response. Meets factory standards for reliable operation.
  • TIPS - Compare images and vehicle details to confirm fit. Includes 2 sensors (upstream + downstream).

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