The 2004 Honda Civic comes equipped with a 1.7L SOHC 4-cylinder engine (D17A2) that produces 115 horsepower and 110 lb-ft of torque. This naturally aspirated engine features Honda’s VTEC variable valve timing system and is known for its fuel efficiency, typically achieving 32-38 mpg combined. The engine uses a timing belt that should be replaced every 105,000 miles along with the water pump. It’s a reliable powerplant when properly maintained, though it’s not particularly powerful by modern standards. The engine bay is spacious and most maintenance items are easily accessible.

The 2004 Honda Civic shares most parts with the 2001-2005 seventh generation Civic models. Engine components, transmission parts, suspension pieces, and most body panels interchange across these years. However, there were some mid-cycle updates, so 2004-2005 models have slightly different front bumpers and headlights compared to 2001-2003. Interior trim pieces and some electrical components may vary by year and trim level. The hybrid model introduced in 2003 has unique powertrain components. Always verify part numbers when sourcing components, as even within the same generation there can be running changes.

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 1.7L D17A2 engine in the 2004 Civic is generally reliable when properly maintained, though it has some known weaknesses. The timing belt must be replaced every 105,000 miles as this is an interference engine that can suffer valve damage if the belt breaks. Head gasket issues can occur if the cooling system isn’t maintained properly. The engine is sensitive to oil changes and should receive fresh oil every 5,000 miles maximum. With proper maintenance, these engines commonly reach 200,000+ miles. Avoid extended idling and ensure the cooling system is serviced regularly to maximize longevity.