Champion 9804 Spark Plug - Intake Side

Champion Iridium Spark Plug 9804 Overview

The Champion Iridium 9804 spark plug is engineered for reliable ignition performance across a wide range of vehicles including Audi, Ford, Honda, and Toyota models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum ground electrode core and pad surface for extended wear
• J gap ground electrode tip design for optimized spark exposure
• Non-removable nut electrical terminal type for secure connection
• Flat seat type with 0.75 inch reach and 14 mm thread diameter
• Resistor type to reduce electrical noise interference
• Pre-gap size of 0.030 inches for precise spark gap
• Hex size of 0.813 inches (20.65 mm) for standard installation tools
• Manufacturer heat range 8 suitable for various engine conditions

Champion Iridium Product Line Details

The Champion Iridium line focuses on delivering spark plugs with iridium-tipped center electrodes, which provide improved wear resistance and stable ignition over time. The 9804 part number benefits from this technology, combining iridium with platinum materials on the ground electrode to balance longevity and performance. This product line is designed to meet the demands of both everyday driving and high-performance applications.

Technical Specifications and Features

The Champion Iridium 9804 spark plug features a single platinum ground electrode with a J gap design, enhancing spark efficiency and combustion stability. The center electrode diameter measures 0.103 inches, crafted from iridium for superior durability. The plug’s flat seat and 0.75 inch reach ensure compatibility with many engines, including models from Mercedes-Benz, Nissan, and Volkswagen. The non-removable nut terminal type provides a secure electrical connection, while the resistor helps minimize radio frequency interference. With an insulator height of 0.06 inches and a taper diameter of 0.27 inches, this spark plug fits precisely within the combustion chamber for optimal performance.

Compatible Vehicles and Applications

• Compatible with Audi 80 Quattro, 100 Quattro, and 200 Quattro models
• Suitable for Ford Mustang, Chevrolet Camaro, and Dodge Challenger
• Fits Honda Accord, Toyota Camry, and Subaru Legacy engines
• Also compatible with luxury vehicles such as Bentley, Maserati, and Rolls-Royce
• Applicable for various Volkswagen, Volvo, and Jaguar models

Common Issues Addressed by Champion Iridium 9804

• Misfiring or inconsistent engine ignition
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Engine hesitation or rough idling
• Excessive spark plug wear leading to performance loss

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.030 inches before installation if adjustment is necessary. Use a torque wrench to tighten the plug to manufacturer specifications to avoid damage to the flat seat or threads. The 0.813 inch hex size allows for standard spark plug sockets. Confirm compatibility with your vehicle’s make and model, such as Audi 80 Quattro or Toyota Camry, to ensure proper fitment. Avoid over-tightening to prevent thread damage.

Quality Assurance and Warranty

Champion spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Champion Iridium 9804 spark plug undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details are not provided, Champion products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.