FAST
FAST Wiring Harness Wideband O2
SKU: F003 30103
Description
Part #: 30103
Required to connect the Wideband Oxygen Sensor to the XFI ECU's main wiring harness. It is approximately 4 feet long.
This harness connects the oxygen sensor to the main wiring harness for XFI ECU's.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | FAST |
| Part Number | F003 30103 |
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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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