Bosch LSU 4.9 6 Pin Oxygen Sensor Connector

Bosch LSU 4.9 Oxygen Sensor Connector

The Bosch LSU 4.9 oxygen sensor connector is a replacement plug for Bosch LSU 4.9 wideband lambda sensors used with aftermarket wideband controllers and standalone ECUs. This connector kit includes the housing, terminals, and seals required to wire or repair a harness connection to the LSU 4.9 sensor.

Disclaimer: Connector identification is based on visual appearance only. We cannot guarantee this connector will fit your specific application. Please compare your existing connector against the product images before purchasing.

The LSU 4.9 is the most common wideband sensor in aftermarket engine management, found in AEM, Innovate, Link, Haltech, MoTeC, and other wideband controllers. This connector is essential for standalone ECU installations, custom wideband gauge wiring, and motorsport builds requiring accurate air-fuel ratio monitoring.

What makes the LSU 4.9 different? The LSU 4.9 uses a distinctive "D" shaped 6-pin connector that's physically keyed to prevent mis-mating. It's a true wideband sensor capable of reading across the full air-fuel ratio range, making it particularly well-suited for diesel, lean-burn, and high-boost applications where traditional narrowband sensors are inadequate.

Kit includes:

• 1× connector housing (female, harness side)
• 6× terminals
• 6× seals

Vehicle fitment includes (but not limited to):

• Bosch LSU 4.9 wideband oxygen sensors
• AEM wideband controllers (using LSU 4.9 sensor)
• Innovate Motorsports wideband controllers (using LSU 4.9 sensor)
• Link ECU wideband inputs (using LSU 4.9 sensor)
• Haltech wideband controllers (using LSU 4.9 sensor)
• MoTeC wideband systems (using LSU 4.9 sensor)
• Any standalone ECU or wideband gauge using Bosch LSU 4.9 sensor

Cross-reference part numbers: MoTeC 64010 (compatible).

Ideal for: standalone ECU installations, wideband sensor upgrades, custom gauge wiring, motorsport builds, and diesel or lean-burn applications.

Disclaimer: Connector identification is based on visual appearance only. We cannot guarantee this connector will fit your specific application. Please compare your existing connector against the product images before purchasing.

Shipping

Express orders placed before 2pm ACST are dispatched the same business day, while tracking for standard orders will be available within 24 hours of purchase. We ship Australia-wide from our Adelaide warehouse and orders over $150 qualify for discounted postage. Every shipment includes tracking, and you'll receive the details by email as soon as your order leaves us.

Returns

We offer a 30-day money-back guarantee on any product that arrives in good condition and hasn't been damaged through installation or use. Return shipping is the customer's responsibility, and once we receive the item we'll process your refund within 3 business days to your original payment method.

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