ETL INDUSTRIES 24" O2 Oxygen Sensor Extension Harness – 4-Pin Trapezoidal Connector for LS2 LS3 LS7 C6 Corvette Camaro (Front, 2Pcs)
ETL INDUSTRIES 24" O2 Oxygen Sensor Extension Harness – 4-Pin Trapezoidal Connector for LS2 LS3 LS7 C6 Corvette Camaro (Front, 2Pcs)
✅ Already trusted by Corvette & Camaro owners — 2+ sold
Extend your LS-powered GM's front oxygen sensors with this 24" 4-pin extension harness.
Perfect for long-tube headers, custom exhausts, or relocated O2 sensor bungs on LS2, LS3, and LS7 engines.
Compatibility (confirmed):
✅ 2005-2013 Corvette C6 (LS2 / LS3 / LS7)
✅ 2010-2013 Camaro SS (LS3)
⚠️ Fitment Check – READ BEFORE ORDERING:
This harness uses a 4-pin Trapezoidal connector and is designed for FRONT (upstream) oxygen sensors only. It will NOT work on rear/downstream sensors.
Please verify your factory O2 sensor plug matches this shape and pin count before ordering.
Specs:
| Specification | Detail |
|---------------|--------|
| Length | 24 inches |
| Pin Count | 4-Pin |
| Connector Type | Trapezoidal |
| Position | Front (Upstream) Only |
| Quantity | 2 pieces |
| Material | High-temperature resistant wiring |
What's included:
- 2 x Front Oxygen Sensor Extension Harnesses
Why customers choose this:
✅ OEM-quality connectors – direct plug-and-play
✅ 24" length – enough for most long-tube header setups
✅ 4-pin trapezoidal plug – exact fit for LS2/LS3/LS7
✅ 24-hour customer support – we help with fitment
Verified to fit:
- 2005-2007 Corvette C6 (LS2)
- 2008-2013 Corvette C6 (LS3)
- 2006-2013 Corvette C6 Z06 (LS7)
- 2010-2013 Camaro SS (LS3)
Not sure if it fits? Message us with a photo of your O2 sensor plug and we'll verify for you.
Installation tip: Use dielectric grease on the connector pins to prevent corrosion.
Backed by ETL INDUSTRIES:
- ⏱️ 24-hour customer service
- 📦 1-year warranty
Product features
Product features
Materials and care
Materials and care
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Merchandising tips
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