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The Haltech LSU4.9 wideband hardware pack includes the LSU4.9 sensor, an adaptor harness and a weld-in bung. This kit bundles the core components needed to add wideband air–fuel sensing to a vehicle: the Bosch LSU4.9 sensing element, the correct wiring adaptor, and a weld-in mounting bung for exhaust installation.
Haltech LSU4.9 Wideband Hardware Pack
