Locate Jeep Ignition Plug. Shop Jeep Ignition Plugs Replacement. Explore Jeep Spark Plugs. Find Jeep Ignition Plug Wires & Best Jeep Combustion Plugs. Maintaining optimal performance in your Jeep begins with the heart of combustion ? the spark plugs. To ensure longevity, regular inspection is key; look for signs of wear such as difficulty starting, misfiring, or poor fuel economy, signaling it's time for a replacement. Choose from copper, iridium, or platinum plugs, with iridium offering superior longevity and performance, although at a higher price point. When installing, always adhere to the manufacturer?s torque specifications to prevent damage. High-quality spark plugs are a small but critical investment in your Jeep's health, promoting efficient fuel consumption and smooth engine operation, keeping you ahead of the maintenance curve.