A-NAFTULY Iridium Spark Plugs 8 Pack — TR5GP/TR5IX 3186 7397 Fit Chevy Silverado Tahoe Suburban GMC Sierra Escalade
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Description
xPremium Iridium Spark Plugs for V8 Chev/GMC and More
Meet the A-NAFTULY 8 pack of iridium spark plugs, engineered for modern V8 engines. The iridium center electrode is known for its exceptional durability and heat resistance, thanks to a fine wire design paired with a high melting point. This combination is built to endure the demands of high performance and daily driving alike, potentially contributing to consistent ignition across a wide range of operating conditions.
Why choose iridium for today’s engines
Iridium plugs use a small, robust center electrode that holds up under heat and wear, which can translate to longer plug life and steadier ignition. The fine‑wire profile supports precise spark energy delivery, which may help maintain smooth idle and dependable starts in engines with advanced ignition systems.
- Durable iridium center electrode for improved wear resistance
- High melting point supports heat tolerance in high‑performance engines
- Fine‑wire design can enhance spark energy delivery and combustion stability
Fitment and versatility
This plug set is designed to fit a broad spectrum of V8 engines from Chevrolet, GMC, Cadillac and Hummer. The data references multiple fitment entries covering 4.8L, 5.3L, 6.0L and 6.2L configurations, spanning model years from the late 1990s to mid‑2010s. Vehicles commonly associated with this range include Silverado 1500, Tahoe, Suburban, Avalanche, Envoy and more.
- Chevrolet Silverado 1500 and heavy‑duty variants
- Tahoe, Suburban, Avalanche and Trailblazer family SUVs
- GMC Sierra, Yukon/Yukon XL, Savana
- Cadillac Escalade and Escalade ESV
What you get and warranty
Each purchase includes a set of eight iridium spark plugs. A‑NAFTULY backs this set with a 12‑month worry‑free warranty and dedicated support to assist with any questions or issues you may encounter.
Installation notes and best practices
- Plan to install as a set for balanced ignition performance
- Follow your vehicle manufacturer guidelines for service intervals and seating depth
- Ensure clean threads and proper seating to maximize reliability
While results can vary by vehicle and driving conditions, these plugs are designed to support reliable ignition performance in a wide range of V8 engines. The combination of a durable iridium electrode, broad fitment, and a solid warranty makes this set a compelling option for owners seeking long‑lasting ignition components without compromising compatibility.
FAQ
Q: What vehicles are these spark plugs compatible with?
A: These plugs fit many V8 Chevy, GMC, Cadillac, and Hummer models listed in the fitment notes, including Silverado, Tahoe, Suburban, and Escalade.
Q: What makes Iridium spark plugs different?
A: Iridium plugs use a fine‑wire electrode that lasts longer and resists heat, supporting reliable ignition and smoother running.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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