🔥 Crown Champion F-121502 / FI21502 Industrial Spark Plug

The Crown Champion F-121502 (FI21502) is a high-performance industrial spark plug designed for reliable ignition in commercial and industrial engines. Engineered for durability and consistent performance, this spark plug ensures efficient combustion and long service life in demanding applications.

Ideal for generators, compressors, pumps, and other industrial equipment, the F-121502 spark plug provides precise spark delivery, helping engines start quickly and run efficiently under continuous operation.

✅ Key Features

• ✅ OEM quality Crown Champion spark plug for industrial engines

• ✅ Ensures reliable ignition and consistent combustion

• ✅ Durable design for high-temperature and high-load applications

• ✅ Precision-engineered electrode for efficient spark delivery

• ✅ Compatible with a wide range of industrial engines and equipment

• ✅ Reduces engine misfires and improves fuel efficiency

• ✅ 13/16" hex size for standard installation tools

• ✅ Overall length 3.75" for proper fit in industrial engines

• ✅ Easy to install and maintain

📊 Technical Specifications

⚠️ Common Symptoms / When to Replace

• ❌ Engine misfires or fails to start

• ❌ Reduced fuel efficiency

• ❌ Soot or carbon buildup on electrode

• ❌ Excessive wear or erosion of spark plug tip

• ❌ Irregular or weak spark during operation

❓ Frequently Asked Questions (FAQ)

Q: What engines are compatible with this spark plug?

• The F-121502 / FI21502 is designed for industrial engines, including generators, compressors, and pumps. Always check engine manufacturer specifications.

Q: Can it be used in high-temperature environments?

• ✅ Yes, it is engineered for continuous operation in high-temperature and high-load industrial conditions.

Q: How do the 13/16" hex and 3.75" length affect installation?

• The 13/16" hex allows use of standard spark plug sockets, and the 3.75" length ensures proper reach into industrial engine cylinders.

Q: How often should I replace the spark plug?

• Replace according to engine manufacturer recommendations or if you notice misfires, worn electrodes, or carbon buildup.

Q: Is this an OEM replacement part?

• ✅ Yes, Crown Champion F-121502 is OEM quality for industrial applications.

🛠️ Installation & Maintenance Tips

• 🧰 Ensure engine is off and cooled before removing or installing spark plugs.

• ⚙️ Use a 13/16" socket to safely remove and install the plug.

• 🔧 Inspect spark plug regularly for carbon buildup, wear, or electrode damage.

• 🔄 Replace spark plugs periodically to maintain optimal engine performance.

• ⚡ Ensure proper torque when installing to prevent damage to engine threads.