Product images and videos 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.
Exterior Components› Body Panels and Components
Holley
BOSCH WB02 SENSOR
SKU: H00E 554-101
Moderate — 2–4 hours
Overview
Each sensor is hand-calibrated to ensure accurate readings when used with your Holley EFI system. It features a sensor range of 9.6 - 35.6 AFR and a screw-in mounting type.
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Part #: 554-101
Replacement Holley EFI, Bosch Wide band Oxygen sensor.
LSU4 Bosch Wideband
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 | Holley |
| Part Number | H00E 554-101 |
| Weight | 0.35 lb |
Videos
Carb Tuning with Holley's Wideband O2 Meter
Installing a Holley Wideband O2 Sensor and Shorty Headers in Our Project Camaro
How To Properly Place and Install an O2 Sensor
Is Your Holley Efi 02 Sensor Bad? Take a Look Inside my "Tune The Trilogy" Course
Dual Wideband 02 Sensors w/ Holley Terminator X
Holley Sniper - bad o2 sensor or something more. Possibly my first real issue in 3 years?
Holley Terminator O2 sensor setup
Holley jet tuning with a wideband o2
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Returns & Fitment
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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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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