4 Pin Toyota Oxygen Sensor Connector 6189-0256 90980-11178 90980-11177 DJ7045YB-2.2 Waterproof

4-Pin Toyota Oxygen Sensor Connector — OEM 6189-0256 / 90980-11178 / 90980-11177 / DJ7045YB-2.2

OEM-compatible replacement connector for the 4-pin oxygen (O2 / lambda) sensor wiring harness used in Toyota vehicles. Compatible with OEM part numbers 6189-0256, 90980-11178, and 90980-11177, cross-referencing to DJ7045YB-2.2-11 and DJ7045YB-2.2-21. A faulty O2 sensor connector can trigger engine fault codes, poor fuel economy, and failed emissions tests — this direct replacement restores reliable sensor signal transmission.

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Key Specifications

• OEM part numbers: 6189-0256 / 90980-11178 / 90980-11177 / DJ7045YB-2.2-11 / DJ7045YB-2.2-21
• Positions: 4 pin
• Series: 2.2mm pitch
• Housing material: Plastic housing + rubber seal
• Contact material: Metal terminals
• Sealing: Rubber seal (waterproof)
• Gender: Male or Female (select option)
• High-concern chemicals: None
• Certification: CE

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Why Choose This Connector?

• Toyota O2 sensor OEM match — direct replacement for upstream/downstream lambda sensor harness
• Restores fuel economy — a secure connector ensures accurate O2 sensor readings for optimal fuel trim
• Sealed 2.2mm series — protects O2 sensor circuits from exhaust heat and moisture
• Multi-OEM cross-reference — matches 6189-0256, 90980-11178, and 90980-11177
• Male and female available — order the exact gender you need

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Typical Applications

• Toyota O2 / lambda sensor wiring harness repair
• Upstream and downstream oxygen sensor connector replacement
• Emissions system wiring harness maintenance
• 2.2mm series Toyota sensor harness repair

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Package Contents

• 1 × connector housing + 4 terminals + rubber seals (or 1 × pre-wired 15cm pigtail — select option)

Please verify your OEM part number before ordering. Select the correct gender (male/female) before purchasing.

Enjoy free standard shipping on all orders over $199 USD. Orders are processed within 1–2 business days.

Not satisfied? Return any item within 90 days of purchase for a full refund or exchange. Items must be in original condition.

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