Rywire 4 Wire 02 Extension 07+ Honda/Acura

Rywire 4-Wire O2 Sensor Extension Harness 2007+ Honda / Acura

The Rywire RY-SUB-4-WIRE-O2-EXT-0712 4-Wire O2 Sensor Extension Harness is the best plug-and-play solution for 2007+ Honda and Acura models requiring additional length for O2 sensor relocation, custom exhausts, or engine swaps. Hand-assembled in the USA with high-quality TXL wire, OEM-style connectors, and weatherproof seals, this extension maintains perfect signal integrity, prevents check engine lights, and ensures accurate AFR readings – ideal for tuned K-series, J-series, or H-series builds where sensor placement needs flexibility without splicing factory wiring.

Key Features

• 4-Wire Design: Direct match for wideband or narrowband O2 sensors – preserves full sensor functionality
• Plug-and-Play Connectors: OEM-style male/female connectors for seamless connection to factory harness and sensor
• High-Quality TXL Wire: Automotive-grade, heat-resistant, and flexible for long-term reliability
• Weatherproof Sealing: Sealed connectors resist moisture, corrosion, and road contaminants
• Custom Length Options: 07-12 extension length perfect for header/downpipe or mid-pipe sensor relocation
• Rywire Quality: Hand-built in USA trusted in Honda/Acura performance and swap communities

Specifications

Product Notes

• 4-wire extension ideal for O2 sensor relocation on headers, downpipes, or mid-pipe setups
• Prevents CEL from extended wiring length maintains accurate sensor signal
• Perfect for K-swap projects, custom exhausts, or relocated sensors in 2007+ Honda/Acura vehicles

Installation Notes

• Estimated time: 10-30 minutes, very easy difficulty, no tools required
• Disconnect factory O2 sensor, plug extension into harness and sensor secure wiring away from heat sources
• Professional installation optional inspect for proper connection and no CEL after install

This Part Fits

Why Choose Rywire 4-Wire O2 Extension Harness?

• Plug-and-play OEM connectors with high-quality TXL wire no splicing, no signal loss
• Weatherproof and heat-resistant reliable for engine bay or undercarriage routing
• Limited lifetime warranty trusted wiring solution for Honda/Acura performance builds

Frequently Asked Questions

• Q: Will this extension fit my 2008 Honda Civic Si K20?
  A: Yes, Rywire RY-SUB-4-WIRE-O2-EXT-0712 fits 2007+ Honda/Acura models with 4-wire O2 sensors.
• Q: Does it maintain sensor accuracy?
  A: Yes, high-quality wire and connectors preserve signal integrity no CEL from extension.
• Q: Is it waterproof?
  A: Yes, sealed connectors resist moisture and corrosion in engine bay or undercarriage.
• Q: What is the warranty?
  A: Covered by Rywire Limited Lifetime Warranty built for performance.

Shipping & Handling

• Method: UPS/FedEx Ground
• Availability: In stock - ships same or next business day
• Packaging: Secure retail packaging
• Weight: Approx. 0.5-1 lb