The 2009 Mazda CX-9 comes exclusively with a 3.7-liter naturally aspirated V6 engine producing 273 horsepower and 270 lb-ft of torque. This aluminum DOHC engine features variable valve timing and direct fuel injection technology. It’s paired with a 6-speed automatic transmission and available in both front-wheel drive and all-wheel drive configurations. The engine provides strong acceleration and towing capacity up to 3,500 pounds, making it well-suited for family hauling duties while delivering reasonable fuel economy for its size class.

The 2009 Mazda CX-9 shares most parts with the 2007-2015 first-generation CX-9 models. The 3.7L engine components are largely interchangeable throughout this entire generation. Body panels, interior trim, and suspension components from 2007-2012 models are typically direct fits. Some electrical components and infotainment systems may vary between early and late production years. The 2013-2015 models received a mid-cycle refresh with updated styling, so some exterior trim pieces may not interchange. Always verify part numbers when sourcing components, as running changes occurred throughout production.

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 3.7L V6 in the CX-9 is moderately reliable but has some known weak points. The timing chain system is the primary concern, requiring attention around 100,000 miles. Regular oil changes every 5,000 miles are crucial to prevent premature timing chain wear. The direct injection system benefits from occasional high-quality fuel and periodic intake cleaning. When properly maintained, these engines can reach 200,000+ miles. Avoid extended oil change intervals and address any rattling noises immediately to prevent costly timing chain failures.