4-Pin 6189-0372 Sumitomo Waterproof Connector – Fog Light & Sensor Harness

Direct-fit replacement for Sumitomo OEM part number 6189-0372, a 4-pin waterproof connector used for fog light assemblies and sensor harness connections on Toyota, Honda, Nissan, and other Japanese OEM vehicles. Sumitomo connectors are the OEM standard for the majority of Japanese vehicle harnesses – the 6189-0372 is one of the most widely used 4-pin waterproof formats in this ecosystem.

Key Specifications

• OEM Part Number: 6189-0372
• Pin Count: 4
• Gender: Male & Female set (with wire)
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Waterproof Rating: IP68
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Voltage Rating: 12V DC
• Current Rating: Up to 13A per pin

Compatible Vehicles & Applications

• Toyota: Camry, Corolla, RAV4, Hilux, Land Cruiser – fog light and front sensor harnesses
• Honda: Accord, Civic, CR-V, Odyssey – fog light assembly connectors
• Nissan: Altima, Sentra, X-Trail, Navara – front lighting harness
• Mazda: CX-5, Mazda3, Mazda6 – fog light and parking sensor wiring
• Cross-reference: Verify OEM part number 6189-0372 before ordering

Common Failure Symptoms

• Fog light inoperative on one side – connector corrosion at front fascia location
• Parking sensor intermittent – open circuit at sensor connector
• Front camera signal dropout – moisture ingress at connector
• DRL (daytime running light) flickering – loose terminal in 6189-0372 housing

Frequently Asked Questions

Q: Is 6189-0372 a Sumitomo or Yazaki connector?
A: The 6189-xxxx part number series is used by both Sumitomo and Yazaki in Japanese OEM harnesses. The 6189-0372 specifically is a Sumitomo-origin part number. Cross-reference with your vehicle's OEM service manual to confirm the exact manufacturer.

Q: What vehicles use 6189-0372 for fog lights?
A: The 6189-0372 is used across multiple Toyota and Honda platforms for front fog light harness connections. Specific fitment depends on model year and trim level – always verify by OEM part number before ordering.

Q: Can I use this connector for a parking sensor harness?
A: Yes. The 4-pin 6189-0372 is used for both fog light and sensor applications on Japanese OEM platforms. The physical connector is identical – the application depends on which harness it is installed in.

Q: What crimping tool is needed?
A: Use a ratchet crimper for 0.5mm² (18 AWG) Sumitomo/Yazaki terminals – the Hozan P-706 or Engineer PA-09 are commonly used for this terminal series.

Package Contents

1 × 4-Pin Male Connector (6189-0372) with 18 AWG wire
1 × 4-Pin Female Connector (6189-0372) with 18 AWG wire and terminal inserts