Champion 9901 Spark Plug

Reliable Ignition Performance for Select GM and Ford Vehicles

The Champion Iridium 9901 spark plug is engineered to deliver consistent ignition and efficient combustion for a wide range of vehicles including Buick, Cadillac, Chevrolet, Ford, and GMC models. Designed with advanced materials and precise specifications, this spark plug supports optimal engine performance and durability.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum ground electrode core material with J gap design
• Pre-gap size options of 0.047 and 1.20 for precise spark control
• Tapered seat type with a reach of 0.984 inches for secure fitment
• Resistor type spark plug with non-removable nut electrical terminal
• Compatible with multiple makes and models including Ford F-150, Chevrolet Camaro, and Cadillac CTS

Champion Iridium Brand Line Overview

The Champion Iridium line focuses on delivering spark plugs with iridium-tipped center electrodes, known for their high melting point and wear resistance. This technology helps maintain stable ignition over extended service intervals, making the 9901 part number suitable for vehicles requiring reliable secondary ignition components with precise heat range and electrode design.

Technical Specifications and Features

The Champion Iridium 9901 spark plug features a single ground electrode with a J gap tip design, combining a platinum core for durability and an iridium center electrode tip for improved ignition efficiency. The plug has a manufacturer heat range of 10, a tapered seat type, and a thread diameter of 14 mm (0.551 inches) with a reach of 0.984 inches. The pre-gap sizes of 0.047 and 1.20 ensure compatibility with specific engine requirements. Additionally, the spark plug includes a resistor to reduce electrical noise and a hex size of 15.88 mm (0.625 inches) for installation with standard tools.

Applications and Problem Solving

• Restores consistent ignition in Buick LaCrosse and Chevrolet Equinox engines
• Reduces misfires and rough idling in Ford F-150 and Explorer models
• Improves fuel efficiency and throttle response in Cadillac CTS and SRX vehicles
• Addresses spark plug wear and electrode erosion in GMC Terrain and Acadia
• Supports reliable ignition in Mazda CX-9 and Suzuki Grand Vitara

Installation Notes and Tips

Ensure the spark plug gap matches the vehicle manufacturer’s specifications before installation. Use a torque wrench to tighten the Champion Iridium 9901 spark plug to the recommended torque setting to avoid damage to the tapered seat. The non-removable nut electrical terminal requires compatible ignition wires or coil-on-plug connectors. Inspect the spark plug threads and clean the cylinder head threads if necessary to ensure proper fitment.

Quality Assurance and Warranty

Champion spark plugs are manufactured to meet OEM standards for fit, form, and function. The Iridium 9901 spark plug undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Champion products typically include coverage against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.