Spark Plug - Porsche (999-170-235-90)
2014-2018 Porsche - 99917023590

The Porsche spark plug (part 999-170-235-90) is a precision-engineered engine component that provides reliable ignition for efficient combustion, smooth operation, and optimal performance. Over time, spark plugs can wear, foul, or erode from heat, carbon buildup, and normal engine use, leading to misfires, rough idling, or decreased fuel efficiency. Installing a genuine Porsche spark plug ensures exact fit, superior durability, and consistent performance compared with aftermarket alternatives. Built to factory specifications, this replacement restores dependable ignition, improves engine efficiency, and helps maintain smooth, responsive, and high-performing vehicle operation.
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Product Details
Description
The Porsche spark plug (part 999-170-235-90) is a precision-engineered engine component that provides reliable ignition for efficient combustion, smooth operation, and optimal performance. Over time, spark plugs can wear, foul, or erode from heat, carbon buildup, and normal engine use, leading to misfires, rough idling, or decreased fuel efficiency. Installing a genuine Porsche spark plug ensures exact fit, superior durability, and consistent performance compared with aftermarket alternatives. Built to factory specifications, this replacement restores dependable ignition, improves engine efficiency, and helps maintain smooth, responsive, and high-performing vehicle operation.

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In stock orders ship within 24 hours... Check out our Shipping Policy for more details.
Return Policy
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Porsche
Porsche is the most successful, well-known, and strongest brand of sport car manufacturers in the world. They are recognized for producing high end performance vehicles with distinctive designs. Porsche are renowned to be top quality and reliable with record setting speeds.
You will only find the highest quality OEM Porsche parts and accessories here with OEM Luxury Parts. We specialize on delivering and handling 100% genuine Porsche OEM parts for all your Porsche vehicle needs. Read more about OEM Luxury Parts.
Your Spark Plug (99917023590) will be and authentic Porsche auto part and is guaranteed to fit your specific 2014-2018 Porsche vehicle and will be backed by Porsche.
Select Your Porsche Model to shop for more parts.
OEM Porsche Products, sold from our Porsche New Jersey Dealership. All authentic and backed by Porsche.
