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Holley Commander 950 Wideband Replacement O2 Sensors 534-198
Part Number: HLY-534-198
Holley Commander 950 Wideband Replacement O2 Sensors
Sensors, Replacement, O2 Sensor, Bosch, Wideband, 4-Wire, 0-1V Range, Thread-in Style, 4 Flat Female Harness, for Commander 950, Each
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Estimated Ship Date from Texas: Monday 11/9/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
534-198
Part Type:
Product Line:
Summit Racing Part Number:
HLY-534-198
Item Number:
1099749
UPC:
090127637852
Number of Wires:
4
Voltage Range:
0-1 V
Mounting Style:
Thread-in
Oxygen Sensor Bung Included:
No
Wiring Harness Included:
Yes
Wiring Harness Plug Style:
4 flat female
Quantity:
Sold individually.
Notes:
Holley C950 replacement only.
Holley Commander 950 Wideband Replacement O2 Sensors
Holley Commander 950 wideband replacement O2 sensors are the ultimate additions to any new or existing Commander 950 EFI system. They plug directly into any Commander 950 harnesses and accurately measure any air/fuel ratios between 10:1 and 20:1. This allows the engine tuner to read the air/fuel ratios in real time for extremely precise tuning. These sensors are designed for use with Holley controllers only. They are not intended to be replacement sensors for factory fuel injected vehicles.
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Some parts are not legal for use in California or other states with similar laws / regulations
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