NTK Wideband O2 Sensor - 18 x 1.5mm - 24 in. Pigtail 554-100
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The Holley EFI LSU4 Wideband O2 Sensor, Bosch, 18mm x 1.5 (part number 554-101). Wideband O2 Sensor
Features:
Specifications:
| Terminal Gender | Female |
| Mounting Style | Screw-in |
| Fit Type | Universal |
| Product Grade | Performance |
| Band Type | Wide |
| Sensor Type | Lambda Wide Band |
| Thread Size | 18mm x 1.5 |
Emissions: Not legal for sale or use in California on any pollution-controlled motor vehicle.