Specially designed to give diesel engines the heat they need for cold starts, these ACDelco Professional Glow Spark Plugs will maintain ignition in all cylinders, improving throttle response and reducing exhaust emissions. For dependability and long-lasting performance, use ACDelco Professional Glow Spark Plugs. 

Features

• Ensures a dependable start
• Maintains ignition in all cylinders
• Improves throttle response
• Reduces exhaust emissions
• Tested under extreme conditions
• 12-month/12,000-Mile Limited Warranty