FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What is the size of each spark plug? A: Each spark plug measures three point thirty-one inches in length, zero point ninety-four inches in width, and three point thirty-two inches in height.
- Q: What is the material of the spark plugs? A: The spark plugs feature an iridium core, which provides enhanced durability and performance under high temperatures.
- Q: How many spark plugs come in a pack? A: The product is sold in packs of four spark plugs, ensuring you have enough for a full replacement.
- Q: How do I install these spark plugs? A: To install the spark plugs, remove the old plugs using a socket wrench, then carefully screw in the new plugs until tight.
- Q: Are these spark plugs compatible with my vehicle? A: Yes, the NGK Iridium IX spark plugs are designed to fit a wide range of vehicles, but it's best to check compatibility with your specific model.
- Q: What type of engine are these spark plugs suitable for? A: These spark plugs are suitable for both gasoline and diesel engines, enhancing ignition performance in various conditions.
- Q: How do I keep these spark plugs in good condition? A: To maintain the spark plugs, ensure they are free from oil and debris, and replace them according to the manufacturer’s recommended intervals.
- Q: What is the shelf life of spark plugs? A: Spark plugs can last several years if stored in a cool, dry place, but it's best to use them within a year of purchase for optimal performance.
- Q: How should I store the spark plugs? A: Store the spark plugs in their original packaging in a dry environment to prevent corrosion and damage.
- Q: Are these spark plugs safe to use? A: Yes, these spark plugs are safe to use when installed correctly in compatible vehicles following the manufacturer's guidelines.
- Q: What happens if I receive damaged spark plugs? A: If you receive damaged spark plugs, you should contact customer support for a return or exchange, ensuring you have your order details ready.
- Q: Do these spark plugs come with a warranty? A: Yes, NGK typically offers a warranty on their spark plugs, covering defects in material and workmanship for a specific period.
- Q: How do I troubleshoot if my engine misfires? A: If your engine misfires, check the spark plugs for damage and ensure they are properly gapped and installed. If issues persist, consider professional assistance.
- Q: Is there a difference between these spark plugs and standard ones? A: Yes, NGK Iridium IX spark plugs offer superior performance and longevity compared to standard copper spark plugs, providing better ignition and fuel efficiency.
- Q: Can I use these spark plugs in older vehicles? A: Yes, these spark plugs can be used in older vehicles as long as they are compatible with the engine specifications.
- Q: What is the benefit of using iridium spark plugs? A: Iridium spark plugs provide better ignition efficiency, longer life, and improved fuel economy compared to traditional spark plugs.