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- £49.80
- £49.80
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Description
xReliable GM ignition for daily driving
The A-Premium Iridium Platinum Spark Plugs are designed for broad GM powertrains, including Silverado, Suburban, Tahoe, Yukon, Escalade, Camaro, Corvette, and Sierra models. This 8-pack keeps your maintenance routine simple with consistent parts you can trust.
Built for durability, the center electrode tip uses iridium while the core is platinum. This combination emphasizes wear resistance and stable spark performance through a long service life, even under demanding driving conditions. The design features a precise gap of 0.044 inches and a 14 mm thread diameter to fit many engines, with a hex head of 5/8 inch making installation straightforward for most standard tools.
Vehicle compatibility highlights
- Cadillac Escalade 2015 2020 V8 6.2L and Escalade ESV 2015 2020, plus 2021 2023 models
- Chevrolet Camaro 2016 2020 V8 6.2L and Corvette 2014 2019 V8 6.2L
- Silverado 1500 and 2500 HD 3500 HD with 5.3L or 6.2L V8 engines
- GMC Sierra 1500 2014 2023 and Yukon family across 2015 2020
- Chevrolet Suburban 2015 2023 and Tahoe 2015 2023
In short, the spark plugs cover a wide range of popular GM trucks, SUVs, and performance cars, helping you keep similar parts in service across your fleet.
Specifications and longevity
- Center electrode tip material: Iridium
- Center electrode core material: Platinum
- Resistance: 5000 ohms
- Gap size: 0.044 inches
- Hex size: 5/8 inch
- Insulator height: 53 mm
- Reach: 25 mm
- Thread diameter: 14 mm
Engineered for longevity, replacement is commonly recommended around 80 000 to 100 000 miles, depending on driving style and conditions. Regular maintenance practices help ensure consistent ignition and efficient combustion.
What’s in the box
- 8 A-Premium Iridium Platinum Spark Plugs
- Reference numbers included: 91418, ILTR5E11, 12598004, 12622441, 12625058, 3474
- Broad fitment across many GM models for convenient stocking
FAQ
Q: Which vehicles are compatible with the A-Premium Iridium Platinum Spark Plugs set?
A: Fits Cadillac Escalade, Chevrolet Silverado, Suburban, Tahoe, Camaro, Corvette, GMC Sierra, and Yukon models listed in the data.
Q: What is the suggested replacement interval for these plugs?
A: Replacement is commonly recommended around 80,000 to 100,000 miles, depending on use and conditions.
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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