Haltech LSU4.9 Wideband O2 Sensor Hardware Pack – Universal

Everything you need to add wideband oxygen sensing to your Haltech-equipped build in one kit. The Haltech LSU4.9 Wideband Hardware Pack includes the industry-standard Bosch LSU 4.9 wideband O2 sensor, a Haltech adaptor harness for direct connection to compatible Haltech ECUs or the Haltech WB1 Wideband Controller, and a weld-in bung for exhaust installation. A complete, ready-to-install wideband sensor kit for any turbocharged, naturally aspirated, or forced induction build running a Haltech engine management system.

Key Features

• Bosch LSU 4.9 Wideband Sensor: Industry-standard Bosch LSU 4.9 wideband lambda sensor — accurate, reliable wideband AFR measurement across the full lambda range for precise fuel tuning
• Haltech Adaptor Harness Included: Plug-and-play adaptor harness for direct connection to compatible Haltech ECUs and the Haltech WB1 Wideband Controller — no wiring modification required
• Weld-In Bung Included: Stainless weld-in exhaust bung included for sensor installation — weld into the exhaust pipe at the correct location before sensor installation
• Complete Kit: Sensor, harness, and bung included — everything required for a complete wideband O2 sensor installation in one pack
• Haltech ECU & WB1 Compatible: Designed for use with Haltech engine management systems and the Haltech WB1 Wideband Controller
• Universal Fitment: Suitable for any vehicle running a compatible Haltech ECU or WB1 controller

Kit Contents

• (1) Bosch LSU 4.9 Wideband O2 Sensor
• (1) Haltech Adaptor Harness
• (1) Weld-In Exhaust Bung

Specifications

• Type: Wideband O2 Sensor Hardware Pack
• Sensor: Bosch LSU 4.9
• Compatibility: Haltech ECUs / Haltech WB1 Wideband Controller
• Fitment: Universal
• Part Number: HT-010746

Note: Weld-in bung must be welded into the exhaust system before sensor installation — professional welding recommended. Sensor placement should be upstream of any catalytic converter and in a location that avoids moisture pooling. Verify ECU or controller compatibility before ordering.