LSU4 Bosch Wideband

PART# 554-101


Replacement Holley EFI, Bosch Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI system.


Number of Wires: 8

Mounting Style: Thread-in

Oxygen Sensor Bung Included: No

Wiring Harness Included: Yes

Wiring Harness Plug Style: 8 rectangle male

Quantity: Sold individually.

Notes: LSU4 Bosch wideband sensor.


Holley EFI O2 sensors precisely manage air fuel ratios to keep your engine performing at its peak. Available in Bosch LSU4 and NTK wideband configurations, Holley EFI has the correct sensor for your high performance EFI application.

LSU4 Bosch Wideband