AEM Sensor Harness for 30-0300 and 30-0334 X-Series Wideband Gauges

Replacement Wiring Harnesses, Sensor Harness for X-Series Wideband Gauge 30-0300 and 30-0334 Compatible w/ Part # 30-0300 and 30-0334

• Works with either Bosch LSU 4.9 sensor or AEM/FAE sensor
• Long length wiring loom to accommodate most applications
• Direct connection to Bosch 4.9 and AEM FAE sensor plug
• Direct replacement for 30-0300 and 30-0334 AFR gauges

The AEM Sensor Harness is a direct replacement wiring harness for X-Series Wideband Gauges, including AEM Part Numbers 30-0300 and 30-0334. Designed for straightforward installation, this replacement harness connects the gauge to compatible wideband oxygen sensors and helps restore proper sensor operation without replacing the entire gauge system.

The harness works with either a Bosch LSU 4.9 sensor or an AEM/FAE sensor and features a direct connection to the corresponding sensor plug. Its extended wiring loom provides installation flexibility for a wide range of automotive applications, making it suitable for replacement or service needs where the original harness is damaged, worn, or missing. This harness is intended for automotive use and is supplied as a single replacement component.

Key Product Specifications & Technical Data

• Brand: AEM
• Part Number: 30-3427
• Product Type: Wideband sensor wiring harness
• Application: X-Series Wideband Gauges
• Compatible Gauge Part Numbers: 30-0300 and 30-0334
• Sensor Compatibility: Bosch LSU 4.9 and AEM/FAE sensors
• Connection Type: Direct sensor plug connection
• Quantity: One replacement harness

What's Included

• One AEM Sensor Harness

Fitment data should be confirmed by matching the vehicle's existing AEM X-Series Wideband Gauge and sensor configuration with the listed compatible part numbers before installation.

Features:

• Compatibility: Designed for AEM X-Series Wideband Gauges with Part Numbers 30-0300 and 30-0334.
• Sensor Support: Works with Bosch LSU 4.9 or AEM/FAE wideband sensors.
• Direct Connection: Connects directly to compatible Bosch 4.9 and AEM/FAE sensor plugs.
• Installation Flexibility: Extended wiring loom accommodates most automotive applications and simplifies replacement installation.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1