Air and Fuel› Oxygen Sensors, Controllers and Components
Holley
Wideband O2 Sensor Sniper TBI
SKU: H00E 554-155
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 554-155 |
| Weight | 0.45 lb |
Videos
Holley Sniper 2 EFI: Your Complete Installation Guide To Sniper 2
Holley Sniper - bad o2 sensor or something more. Possibly my first real issue in 3 years?
Holley How To: Install Sniper EFI
Is Your Holley Efi 02 Sensor Bad? Take a Look Inside my "Tune The Trilogy" Course
How To Properly Place and Install an O2 Sensor
Holley Terminator O2 sensor setup
O2 sensor failure on a Holley Sniper EFI
Installing a Holley Wideband O2 Sensor and Shorty Headers in Our Project Camaro
Welding in an O2 Sensor Bung for a Holley Sniper EFI System
Buy with Confidence
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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