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Your cart is empty.Autolite Iridium XP is designed and engineered in the USA, is one of the brand's most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. Autolite Iridium XP spark plugs function for all makes and models, both foreign and domestic, provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products. Consider upgrading to Autolite iridium XP spark plugs for increased performance. Autolite Iridium XP spark plugs are backed by an unmatched limited lifetime warranty.
Brett DeYoung
2025-08-22 17:51:41
good quality at good price
K Slice
2025-08-14 10:18:53
Put these in to replace some old spark plugs in a 2015 Optima that had 85k miles. Works with no issues.. my gas mileage seems to be slightly better though I may need to drive a little more to determine that. My engine seems to be a bit quieter when accelerating as well. Haven't noticed much difference in acceleration or anything like that. Smooth idle as well. Nothing else really to say
Les Allen
2025-07-16 15:18:31
Headline says it all, I would buy from seller again
Mr. Nelson
2025-05-27 19:00:19
It was definitely time to switch out the plugs with 150,000 miles. Everything is good! Recommended!
Customerqt
2025-05-19 11:41:24
Upset that basically I have to but hey I bought them in March 2022 it's now January 2025 and I have to replace them so I guess I got my moneys worth .
Mario Carcano
2025-04-13 14:14:47
I recently purchased the Autolite Iridium XP Automotive Replacement Spark Plugs, specifically the XP6203 model in a convenient 4-pack, and I must say that they have delivered reliable performance for my vehicle.First and foremost, the build quality of these spark plugs is impressive. The iridium construction ensures durability and longevity, allowing the plugs to withstand the demanding conditions under the hood of my vehicle. I appreciate the peace of mind that comes with knowing I have high-quality spark plugs installed.Installation was a breeze, and the spark plugs fit perfectly in my engine. The precise engineering of these plugs ensures a proper fit, allowing for optimal performance and efficient combustion. I experienced no issues with misfires or compatibility, and the plugs integrated seamlessly into my vehicle's ignition system.In terms of performance, the Autolite Iridium XP spark plugs have met my expectations. They provide a reliable spark, ensuring smooth engine starts and consistent ignition throughout my driving experience. I noticed improved throttle response and acceleration, resulting in a more enjoyable and responsive driving experience.Furthermore, the iridium tips of these spark plugs contribute to their longevity. They offer excellent wear resistance, minimizing electrode erosion and extending the lifespan of the plugs. I appreciate the fact that I won't have to worry about frequent replacements or decreased performance due to worn-out spark plugs.However, I would like to mention that while the Autolite Iridium XP spark plugs perform well, they may not necessarily provide a significant boost in performance compared to standard spark plugs. While I did notice improvements in throttle response and acceleration, the difference may not be as noticeable for all vehicles and driving conditions.In conclusion, the Autolite Iridium XP Automotive Replacement Spark Plugs, specifically the XP6203 model, offer reliable performance and durability for your vehicle. The high-quality construction, ease of installation, and improved throttle response make them a worthy investment. While they may not provide a dramatic performance boost for all vehicles, they are still a reliable choice for maintaining optimal ignition and engine performance. I would recommend these spark plugs to fellow car enthusiasts who are looking for reliable replacements for their worn-out plugs.
Yuka
2025-03-17 10:04:22
Works as expected
Syed Saif
2025-03-07 11:12:16
It saved me, so far after six months I have no issue. So far good.
Hawkeye
2025-03-05 11:34:52
2012 Hyundia Sonata: cheaper than Denso iridium. Will see how well they last in Cdn winter. So far being new, good fuel economy ðŸ‘ðŸ»
FatCatAnna
2025-01-30 14:12:56
The spark plugs came in a box a 4 for convenience. I checked the gap with a wire guage and adjusted them for my engine. The engine had been knocking earlier and with the new plugs installed, the knocking went away. Good product ðŸ‘
Julien Lepitre
2025-01-04 16:56:55
Good
Dalal
2024-12-14 18:28:44
…. RECOMMENDED âï¸âï¸âï¸âï¸âï¸
Andi V
2024-11-19 12:27:19
The price was right and they work as expected, right gap, no issues. I only gave them 4* because I compared them though with the DENSO I had (and kept for 100K KM) and they are rougher made than those.
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