Hybrid Racing K Swap Conversion Harness for 01-05 Civic

Hybrid Racing K Swap Conversion Harness for 2001-2005 Honda Civic Non-Si (EM2 / ES1)

With over ten years of K-Series swap wiring experience, the Hybrid Racing Conversion Harness is one of the most widely used and reliable K-Swap harnesses on the market. This harness powers thousands of K-Swaps worldwide, simplifying the wiring process for your 2001-2005 Honda Civic Non-Si, chassis codes EM2 and ES1.

The K-Swap harness interfaces directly with your factory dash harness, OEM K-Series engine harness, and K-Series ECU, allowing for a simple plug-and-play installation. It retains full functionality of the factory gauge cluster and comes with a full replacement warranty. Unlike other companies that require sending in portions of your stock harness, the Hybrid Racing Conversion Harness ships fully assembled, in stock, and ready to ship, often with overnight options available.

Compatibility

• Works with USDM and JDM 02-04 K-Series engine harnesses, including K20A, K20A2, K20A3
• Wired to use the factory wideband O2 sensor; European customers using UKDM harnesses may need to convert to narrowband
• Does NOT work with 05-06 or K24 engine harnesses and ECUs

Construction and Quality

Hybrid Racing builds each harness with brand-new connectors, terminals, and wiring sourced from the same manufacturer Honda uses. Each harness is machine-made and human-checked to ensure reliability. No soldered joints are used, and all wires are clearly labeled for a clean, organized installation.

Key Features

• Compatible with 2001-2005 Honda Civic Non-Si K-Series swaps, chassis codes EM2 and ES1
• Plug-and-play design for quick and reliable installation
• Retains full factory gauge cluster functionality
• Brand-new Honda-quality connectors and terminals
• Machine-made and human-checked for quality and reliability
• Clearly labeled wires for organized installation
• Full tech support included for any swap-related questions
• Ships fully assembled and ready to use, no core required

The Hybrid Racing K Swap Conversion Harness makes wiring your 2001-2005 Honda Civic Non-Si K-Series swap faster, cleaner, and more reliable. With expert tech support available, you have guidance for every step of your swap.