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The Haltech LSU4.9 wideband extension harness is a 1200mm-length cable designed to work with the LSU4.9 sensor. It provides extended reach for routing sensor wiring away from the exhaust area to the controller or junction points, preserving signal integrity while simplifying installation of the LSU4.9 in custom engine bays.
Haltech Wideband Extension Harness for LSU4.9
