Best Spark Plugs For Ford F-350

If you’re the owner of a Ford F-350, then you know that it’s a workhorse. You need to make sure that you equip it with the best spark plugs so that it can run at its best. In this article, we will discuss some of the best spark plugs for your Ford F-350 and explain why they are a good choice. We’ll also provide some tips on how to install them properly. So, if you’re looking for an upgrade for your truck, read on!

2017 2018 2019 2020 2021 2022 Ford F-350 Spark Plugs

Info/Engine 7.3L 8-cyl Engine 6.2L 8-cyl Engine Flex
OEM spark plug gap 0.052″ (1.32mm) 0.044″ (1.11mm)
Qty. needed 8 8
Change interval 60,000 miles (Severe) / 90,000 miles (Normal)
Best spark plug NGK 94862 LTR7CP13 Laser Platinum Spark Plug NGK 3587 PLTR6A-10G Laser Platinum Spark Plug
Popular choice NGK 95605 LTR7BHX Ruthenium HX Plug NGK 6509 LTR6IX-11 Iridium IX Spark Plug

 

2011 2012 2013 2014 2015 2016 Ford F-350 Spark Plugs

Info/Engine 6.2L 8-cyl Engine Flex
OEM spark plug gap 0.044″ (1.11mm)
Qty. needed 8
Change interval Dual Plug; 60,000 miles (Severe) / 97,500 miles (Normal)
Best spark plug NGK 3587 PLTR6A-10G Laser Platinum Spark Plug
Popular choice NGK 6509 LTR6IX-11 Iridium IX Spark Plug

 

2008 2009 2010 Ford F-350 Spark Plugs

Info/Engine 6.8L 10-cyl Engine 5.4L 8-cyl Engine
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 10 8
Change interval 60,000 miles (Severe Service) / 90,000 miles (Normal Service) 60,000 miles (Severe Service) / 90,000 miles (Normal Service)
Best spark plug NGK 5507 PZNAR6A11H Laser Platinum Spark Plug NGK 5507 PZNAR6A11H Laser Platinum Spark Plug
Popular choice NGK 1698 ZNAR6AGP G-Power Platinum Spark Plug NGK 1698 ZNAR6AGP G-Power Platinum Spark Plug

 

1999 2000 2001 2002 2003 2004 2005 2006 2007 Ford F-350 Spark Plugs

Info/Engine 6.8L 10-cyl Engine 5.4L 8-cyl Engine
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 10 8
Change interval 60,000 miles (Severe Service) / 90,000 miles (Normal Service) 60,000 miles (Severe Service) / 90,000 miles (Normal Service)
Best spark plug NGK 5507 PZNAR6A11H Laser Platinum Spark Plug NGK 5507 PZNAR6A11H Laser Platinum Spark Plug
Popular choice NGK 1698 ZNAR6AGP G-Power Platinum Spark Plug NGK 1698 ZNAR6AGP G-Power Platinum Spark Plug

One of the best spark plugs for Ford F-350 is the iridium plug. It offers superior performance and durability, which is ideal for a workhorse like the F-350. The iridium plug also has a higher melting point, so it can withstand higher temperatures. Another great thing about this type of plug is that it doesn’t require as much maintenance as other types of plugs.

If you’re looking for a more affordable option, then copper spark plugs are a good choice. They offer good performance and they’re relatively easy to find. However, one downside of copper plugs is that they don’t last as long as other types of plugs.

Dan Hoffman

Dan is a co-founder of Engineswork. He knows everything about internal combustion engines. Ask your questions in comments down below this article - he will be glad to help you anytime.

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