Replace Mazda 3 Series Vehicle Engine. Find Mazda 3 Series Engine & Mazda 3 Series Vehicle Engine Parts Purchase Mazda 3 Series Engine Parts. Maintaining the engine of your Mazda 3 Series is essential for peak performance and longevity. Regular oil changes, timing belt checks, and air filter replacements are key to extending the life of your engine. Keep an eye out for warning signs like unusual noises or excessive smoke, which could signal the need for a replacement. When selecting a new engine, consider the SkyActiv-G for fuel efficiency or the more powerful SkyActiv-X, both engineered with high-quality materials to ensure durability. For seamless online purchasing and installation, opt for engines that come with a comprehensive installation guide and a warranty for added peace of mind, ensuring that your Mazda 3 remains a reliable and dynamic ride.