SPDZ1 O2 Sensor Extension Harnesses for 2016-2025 GM Trucks & SUVs

Enhance your vehicle's exhaust system with our premium pair of 12-inch O2 sensor extension harnesses, designed for a seamless fit in 2016-2025 Chevrolet Silverado and GMC Sierra models. Crafted for effortless installation, these harnesses provide the reliability you need for your upgrades.

• Perfect Fitment – Specifically engineered for 2016-2025 GM Trucks & SUVs.
• Extended Length – Adds 12 inches of reach for relocating O2 sensors during exhaust modifications.
• Plug & Play Design – Simplifies installation with no cutting or splicing required.
• OEM-Quality Build – Features heat-resistant wiring and durable connectors for lasting performance.
• Wide Compatibility – Works well with both stock and aftermarket components.

These extension harnesses are ideal for those looking to install long tube headers, high-flow catalytic converters, or custom exhaust setups. Their user-friendly design ensures a straightforward installation process, making them suitable for both DIY enthusiasts and professional mechanics.