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Ngk 3521 Iridium Spark Plugs Cr9Eix - 6 Pcsnew
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Vendor: Ngk
Type: Spark Plugs & Wires
Sku: WBCARB00IAH5TB0
Available: Available
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
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Ngk 3521 Iridium Spark Plugs Cr9Eix - 6 Pcsnew
$72.41
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 the NGK 3521 Iridium Spark Plugs? A: The NGK 3521 Iridium Spark Plugs measure three point thirty-one inches in length, zero point ninety-four inches in width, and four point ninety-eight inches in height.
- Q: What material are the NGK Iridium Spark Plugs made from? A: The NGK Iridium Spark Plugs are made with an iridium center electrode, designed for high performance and durability.
- Q: How many spark plugs come in a pack? A: The NGK 3521 spark plugs are sold in packs of six, providing a convenient quantity for most vehicle maintenance needs.
- Q: How do I install the NGK 3521 Spark Plugs? A: To install the NGK 3521 Spark Plugs, remove the old spark plugs using a socket wrench, then insert the new plugs and tighten them securely.
- Q: Are these spark plugs suitable for all vehicles? A: No, the NGK 3521 Iridium Spark Plugs are specifically designed for vehicles requiring NGK Part number CR9EIX. Always check compatibility before use.
- Q: Do I need to order additional parts for installation? A: Yes, if a terminal nut is required for installation, it must be ordered separately using part number zero six seven six zero six dash zero zero five one.
- Q: How do I keep NGK Spark Plugs in good condition? A: To maintain the NGK Spark Plugs, ensure they are clean and free from debris, and check them periodically for wear and tear.
- Q: What is the shelf life of NGK Spark Plugs? A: While there is no specific shelf life, it's recommended to use the NGK Spark Plugs within a reasonable time after purchase to ensure optimal performance.
- Q: Can I reuse old spark plugs? A: It's not recommended to reuse old spark plugs, as they may not provide optimal performance and could lead to engine issues.
- Q: How do NGK spark plugs compare to other brands? A: NGK spark plugs are known for their high-quality iridium construction and reliability, often outperforming standard copper or platinum plugs in longevity and performance.
- Q: Are the NGK Iridium Spark Plugs good for performance vehicles? A: Yes, the NGK Iridium Spark Plugs are excellent for performance vehicles due to their enhanced conductivity and durability, boosting engine efficiency.
- Q: What should I do if my spark plug is damaged upon arrival? A: If your NGK Spark Plug arrives damaged, contact the seller immediately for a replacement or refund, as they typically offer a warranty on their products.
- Q: Is there a warranty for NGK Spark Plugs? A: Yes, NGK typically offers a limited warranty on their spark plugs against manufacturing defects. Check with the retailer for specific details.
- Q: What if the spark plugs do not fit my vehicle? A: If the NGK Spark Plugs do not fit your vehicle, you can return them for a refund or exchange, provided they are in original condition.
- Q: How can I determine if my spark plugs need replacement? A: You should replace your spark plugs if you experience engine misfires, decreased fuel efficiency, or if they show signs of wear such as corrosion or carbon buildup.