The 2004 Honda Accord came with two engine options. The base engine is a 2.4-liter inline-4 (K24A4) producing 160 horsepower and 161 lb-ft of torque, which is what this vehicle has. This DOHC i-VTEC engine features Honda’s variable valve timing technology and is known for its smooth operation and fuel efficiency. The optional engine was a 3.0-liter V6 (J30A4) producing 240 horsepower. The 2.4L engine was paired with either a 5-speed manual or 5-speed automatic transmission and provides good balance of performance and economy, typically achieving around 24-30 mpg depending on driving conditions and transmission choice.

The 2004 Honda Accord shares most parts with the 2003-2007 seventh generation Accord models. Engine components from the 2.4L K24A4 are largely interchangeable across these years, though there were minor updates in 2006-2007. Body panels, interior trim, and most mechanical components interchange well within this generation. Some electrical components and ECU modules may have year-specific programming requirements. The transmission, suspension components, brakes, and most engine accessories are compatible across the entire 2003-2007 range. However, always verify part numbers when possible, as Honda made running changes during production that could affect compatibility for specific components.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The 2.4L K24A4 engine in the 2004 Accord is generally reliable and can easily exceed 200,000 miles with proper maintenance. The i-VTEC system is robust and the engine responds well to regular oil changes every 5,000 miles using the recommended 5W-30 oil. Common maintenance items include timing chain tensioner replacement around 100,000-150,000 miles and valve adjustments every 100,000 miles. The engine is not an interference design, so timing chain failure won’t cause catastrophic damage. Keep up with coolant changes every 60,000 miles and replace the drive belt and tensioner as needed. This engine is known for smooth operation and good fuel economy throughout its lifespan.