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Air and Fuel› Oxygen Sensors, Controllers and Components
FAST
FAST O2 Sensor Bosch LSu4 Wideband
SKU: F003 170408
Overview
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Part #: 170408
The Bosch LSU4 Oxygen Sensor is widely used in the FAST product line. Finding its way into the FAST EZ-EFI Fuel, EZ-EFI Fuel + Igniton as well as the XFI Sportsman and even the FAST Air/Fuel Meters, the LSU4 is accurate, durable and essential to the operation of a number of FAST products.
This Bosch LSU4 Wideband Oxygen Sensor is used on FAST EZ Fuel, EZ Fuel + Ignition, XFI Sportsman and Air/Fuel Meter Kits.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | FAST |
| Part Number | F003 170408 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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