NGK Spark Plugs is known for their numerous contributions to the spark plug market, including the development of copper core spark plugs, new ceramic technology and the development of iridium spark plugs like these. Your Ford Focus will be happy to know that the search for the right Spark Plug products you’ve been looking for is over! 1-24 of 416 results for Automotive: "2003 ford focus spark plugs" More vehicle information needed We need more information for your 2003 Ford Focus to verify products fit. Multi-rib insulator protects against misfire. 5x Ford Focus 2.5i y2005-2012 = High Performance Silver LGS Upgrade Spark Plugs (Fits: Ford Focus 2006) 3 out of 5 stars (2) 2 product ratings - 5x Ford Focus 2.5i y2005-2012 = High Performance Silver LGS Upgrade Spark Plugs If however your RS is remapped to 400BHP+ then these are very good Plugs. Best Spark Plugs for Ford Focus. Free delivery and returns on eBay Plus items for Plus members. When I searched a couple months ago, neither the focus or any 2.0L (turbo or not) came up. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. These are the spark plugs that are factory fitted. Ford recommends servicing the OEM spark plugs after 30 thousand miles because of a design flaw in the original spark plugs. Get the best deal for E3 Spark Plugs Spark Plugs & Glow Plugs for Ford Focus from the largest online selection at eBay.com. BOSCH Spark plug for FORD FOCUS Petrol/Compressed Natural Gas (CNG) Focus II Hatchback (DA_, HCP, DP) 2.0 CNG 145 HP 04/2009 - 07/2011 Best selling car spares from BOSCH for FORD FOCUS Motorcraft spark plugs are usually produced by Bosch. Get the best deals on Spark Plugs & Glow Plugs for 2008 Ford Focus. Platinum spark plugs used to be the best kind on the market when they originally replaced copper spark plugs but eventually spark plug manufacturers started coming out with iridium spark plugs. We keep these plugs in stock for fast shipment. Why? Best Spark Plugs for Ford Focus. Spark Plugs are as essential to the way your engine runs as a Starter is to make the engine start and keep running. I have a 2005 Ford Focus with a 2.0l duratec engine. The basic design and task of the spark plug has changed little over the last 100 years. Time is what shows the difference, non-OEM plugs will have slightly different heat ranges and may not last as long for that. Ford Focus 2.0L Diesel / Flex / Gas 2012, Laser Iridium™ Spark Plugs by NGK®. Find the spark plug wires or ignition coils on the engine. _____ 06-19-2008, 09:06 AM #2: Jay2TheRescue. Each 2015 Ford Focus spark plug kickstarts the combustion cycle to generate energy through the explosions of gas in the engine cylinders to move the vehicle. Get the best deals on Motorcraft Spark Plugs & Glow Plugs for Ford Focus when you shop the largest online selection at eBay.com. Resistant to oxidation and arc erosion. Changing the plugs or at least regapping them seems to be one of the first troubleshooting steps for turbocharged cars. Shop online or Call 800-544-8778 to order today. … Spark plugs. The plugs are due for a change. The cheapest and most conventional copper core spark plugs will perform for 10-20 thousand miles, and after that, you may start to notice a lack of performance and bad gas mileage. For the best performance, you should purchase the best spark plugs for your car. What would be the best sparkplug for the sake of FE. What would be the best sparkplug for the sake of FE. 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