Shop Chevrolet Astro Van Ignition Plug & Chevrolet Astro Van Spark Plugs Get Best Chevrolet Astro Van Combustion Plugs. Maintaining optimal performance in your Chevrolet Astro Van hinges on the health of your spark plugs, a crucial component for engine efficiency. Regular inspection of spark plugs can reveal telltale signs of wear, such as sooty deposits or a widened gap, indicating the need for replacement to prevent misfires and maintain fuel economy. To extend their lifespan, ensure your vehicle runs on the correct fuel type and address any engine issues promptly. When selecting new spark plugs, consider iridium or platinum types for their longer life and superior performance, though copper plugs are a cost-effective option for older models. Proper installation is key, so always adhere to the manufacturer's torque specifications to avoid damage. With these insights, shop confidently on our platform for the right spark plugs that will keep your Astro Van running smoothly.