Best Spark Plugs For Chevrolet Silverado

If you’re the owner of a Chevrolet Silverado, then you know that keeping your engine in good condition is essential for performance and longevity. One of the most important parts of your engine is the spark plugs. A bad spark plug can lead to all sorts of problems, including decreased fuel economy, loss of power, and even engine damage. In this article, we will discuss the best spark plugs for Chevrolet Silverado trucks and give you a few tips on how to choose the right ones for your vehicle.

We’ll also talk about how to install them and what to do if they start to wear out. So whether you’re a first-time Silverado owner or just looking to upgrade your current spark plugs, read on for all the information you need!

2019 2020 2021 2022 Chevy Silverado Spark Plugs

Info/Engine 6.6L 8-cyl Engine L8T 6.0L 8-cyl Engine LC8
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 8
Change interval 96,000 miles
Best spark plug Champion 9777 RES14WMPB4 Iridium Spark Plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug
Popular choice Champion 9777 RES14WMPB4 Iridium Spark Plug NGK 7397 TR5IX Iridium IX Spark Plug

 

Info/Engine 6.0L 8-cyl Engine L96 5.3L 8-cyl Engine L83
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 8
Change interval 96,000 miles 96,000 miles
Best spark plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug
Popular choice NGK 7397 TR5IX Iridium IX Spark Plug NGK 4344 LTR5IX-11 Iridium IX Spark Plug

 

Info/Engine 6.2L 8-cyl Engine L87 5.3L 8-cyl Engine L82
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 8
Change interval 96,000 miles 96,000 miles
Best spark plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug
Popular choice NGK 4344 LTR5IX-11 Iridium IX Spark Plug NGK 4344 LTR5IX-11 Iridium IX Spark Plug

 

Info/Engine 5.3L 8-cyl Engine L84 4.3L 6-cyl Engine LV3
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 6
Change interval 96,000 miles 96,000 miles
Best spark plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug
Popular choice NGK 4344 LTR5IX-11 Iridium IX Spark Plug NGK 4344 LTR5IX-11 Iridium IX Spark Plug

 

2014 2015 2016 2017 2018 Chevy Silverado Spark Plugs

Info/Engine 4.3L 6-cyl Engine LV3 Flex 5.3L 8-cyl Engine L83
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 6 8
Change interval 97,500 miles 97,500 miles
Best spark plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug
Popular choice NGK 4344 LTR5IX-11 Iridium IX Spark Plug NGK 4344 LTR5IX-11 Iridium IX Spark Plug

 

Info/Engine 6.2L 8-cyl Engine L86 6.0L 8-cyl Engine LC8
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 8
Change interval 97,500 miles 97,500 miles
Best spark plug NGK 91418 ILTR5E11 Laser Iridium Spark Plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug
Popular choice NGK 4344 LTR5IX-11 Iridium IX Spark Plug NGK 7397 TR5IX Iridium IX Spark Plug

 

2007 2008 2009 2010 2011 2012 2013 Chevy Silverado Spark Plugs

Info/Engine 5.3L 8-cyl Engine LC9 Flex 4.3L 6-cyl Engine LU3
OEM spark plug gap 0.040″ (1.01mm) 0.060″ (1.52mm)
Qty. needed 8 6
Change interval 100,000 miles 100,000 miles
Best spark plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug NGK 5599 ITR4A-15 Laser Iridium Spark Plug
Popular choice NGK 7397 TR5IX Iridium IX Spark Plug NGK 7164 TR55IX Iridium IX Spark Plug

 

Info/Engine 6.0L 8-cyl L96 Flex 5.3L 8-cyl Engine LMG Flex
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 8 8
Change interval 100,000 miles 100,000 miles
Best spark plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug
Popular choice NGK 7397 TR5IX Iridium IX Spark Plug NGK 3784 PTR5D-10 Laser Platinum Spark Plug

 

1999 2000 2001 2002 2003 2004 2005 2006 Chevy Silverado Spark Plugs

Info/Engine 4.3L 6-cyl Engine L35 5.3L 8-cyl Engine L59 Flex
OEM spark plug gap 0.060″ (1.52mm) 0.040″ (1.01mm)
Qty. needed 6 8
Change interval 100,000 miles 100,000 miles
Best spark plug NGK 5599 ITR4A-15 Laser Iridium Spark Plug NGK 3784 PTR5D-10 Laser Platinum Spark Plug
Popular choice NGK 7164 TR55IX Iridium IX Spark Plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug

 

Info/Engine 4.3L 6-cyl Engine LU3 6.0L 8-cyl LQ4 Engine
OEM spark plug gap 0.060″ (1.52mm) 0.040″ (1.01mm)
Qty. needed 6 6
Change interval 100,000 miles 100,000 miles
Best spark plug NGK 5599 ITR4A-15 Laser Iridium Spark Plug NGK 1465 IZTR5B11 Laser Iridium Spark Plug
Popular choice NGK 7164 TR55IX Iridium IX Spark Plug NGK 3784 PTR5D-10 Laser Platinum Spark Plug

 

The Chevrolet Silverado is a decent vehicle. It has a number of powerful engines, can tow and haul as much or more than most rivals, and has a spacious interior with simple-to-use tech features to complement it. Despite this, the vehicle’s outstanding qualities pale against strong opposition within the entire-size pickup truck category.

Chevrolet has discontinued the 4.3-liter V6 engine from the Silverado’s lineup for 2022, leaving just four engines available. The turbocharged 2.7-liter four-cylinder engine in the Silverado has been enhanced, with torque increasing by 20 percent to 420 lb-ft. Changes have also been made to the eight-speed transmission to take advantage of the improved torque of the 2.7 liter engine.

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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