Ignition Coil and Iridium Spark Plugs for Mazda Tribute (2009-2011) 2.5L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2009-2011 Mazda Tribute

What it Does: Replaces degrading factory ignition components with high-dielectric coil-on-plug packs and fine-wire iridium spark plugs to restore precise secondary combustion timing, smooth engine idle, and cold-start reliability.

The Stock Tribute Ignition Breakdown

The 2.5L L5-VE engine experiences continuous thermal cycling within the tight cylinder head recess of the CD2 chassis. Over time, factory coil boots suffer dielectric breakdown, micro-arcing, and thermal fatigue, causing high-voltage leakage before the spark reaches the combustion chamber. Combined with electrode erosion on aged spark plugs, this increased resistance overburdens the internal primary windings, resulting in intermittent misfires, engine hesitation under load, poor fuel atomization, and rough idling.

The Engineering Solution

This comprehensive ignition service kit features four coil-on-plug assemblies engineered with high-conductivity oxygen-free copper internal windings and direct-fit blade terminal connectors. The reinforced epoxy encapsulation prevents moisture intrusion and resists thermal degradation. Matched with four fine-wire iridium spark plugs, the kit reduces the required firing voltage, provides superior thermal conductivity to prevent pre-ignition, and ensures consistent flame kernel propagation for reliable, efficient combustion under all operating loads.

Technical Specifications

Compatibility

• 2009 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)
• 2010 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)
• 2011 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)

The Mazda Reliability Standard

Engineered to meet rigorous daily-driver and light-utility demands, this complete ignition refresh restores throttle response, eliminates misfire codes, and ensures long-term operational durability in all weather conditions.