Need a longer harness for your Bosch LSU4.9 wideband sensor? This Haltech Wideband Extension Harness for LSU4.9 provides an additional 1.2m / 4ft of length and features motorsport quality Bosch LSU4.9 lambda connectors on either end.
Fitment
- Haltech NEXUS ECU
- Haltech Elite Pro Plugin ECU
- Haltech WB1/WB2 Wideband Controllers
Haltech Wideband Extension Harness for LSU4.9 1.2m / 4ft
Haltech Wideband Extension Harness for LSU4.9 1.2m / 4ft
SKU:HAL HT-010719
Couldn't load pickup availability
Shipping & Returns
Shipping charges are non-refundable.
30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.
A restocking fee may apply.
Please contact us for return authorization before shipping anything back.






