3 min read Jul 11, 2024

06451-GE2-405: Understanding the Honda Civic Engine Code

If you're a Honda Civic owner or enthusiast, you may have come across the engine code 06451-GE2-405. But what does it mean, and how does it affect your vehicle's performance?

Breaking Down the Code

The engine code 06451-GE2-405 is a unique identifier assigned to a specific engine type produced by Honda. Let's break it down:

  • 06451: This is the engine type code, which indicates the engine's architecture, displacement, and features.
  • GE2: This is the engine family code, which represents the engine's generation and features.
  • 405: This is the engine variant code, which specifies the engine's exact configuration and calibration.

Engine Specifications

The 06451-GE2-405 engine code corresponds to a 1.8-liter, inline-four cylinder engine with a DOHC (dual overhead camshaft) configuration. This engine is commonly found in the 7th generation Honda Civic (2001-2005).

Here are some key specifications:

  • Displacement: 1,799 cc
  • Horsepower: 117 hp @ 6,100 rpm
  • Torque: 127 Nm @ 4,500 rpm
  • Fuel Type: Gasoline
  • Fuel Injection: Multi-point fuel injection

Performance and Features

The 06451-GE2-405 engine is known for its reliability, fuel efficiency, and responsive performance. It features a number of advanced technologies, including:

  • VTEC (Variable Valve Timing and Lift Electronic Control): This system allows for improved fuel efficiency and increased power output.
  • Drive-by-Wire (DBW) throttle control: This system provides improved throttle response and reduced engine noise.
  • High-flow intake manifold: This design feature enhances engine performance and responsiveness.


In conclusion, the 06451-GE2-405 engine code is a unique identifier that corresponds to a specific 1.8-liter, inline-four cylinder engine produced by Honda. With its advanced technologies and reliable performance, it's no wonder this engine has become a popular choice among Honda Civic enthusiasts.

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