Best Spark Plugs For Chrysler 300

Spark plugs are an important part of your car’s ignition system. They are responsible for igniting the fuel in the engine, which in turn creates power and propels your car forward.

If your Chrysler 300 is having trouble starting, it could be due to a bad spark plug. Spark plugs need to be replaced every 30,000 miles or so – more often if you drive in extreme conditions.

When choosing new spark plugs for your Chrysler 300, there are a few things you need to take into account:

  • The type of spark plug best suited for your vehicle;
  • The make and model of your car;
  • Your driving habits;
  • The climate you live in;

2015 2016 2017 2018 2019 2020 2021 2022 Chrysler 300 Spark Plugs

Info/Engine 5.7L 8-cyl EZH Hemi 3.6L 6-cyl ERB Flex
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 16 6
Change interval Dual Plug; Optional NICKEL plug (30,000 mi/48,000 km interval). FCA OEM plug is IRIDIUM extended service plug (100,000 mi/160,000 km interval) 100,000 miles
Best spark plug NGK 92174 LZFR5C-11 Nickel Spark Plug NGK 9723 SILZKR7B11 Laser Iridium Spark Plug
Popular choice NGK 92145 LZFR5CI-11 Laser Iridium Spark Plug NGK 93175 LKR7DIX-11S Iridium IX Spark Plug

 

Info/Engine 3.6L 6-cyl ERB
OEM spark plug gap 0.044″ (1.11mm)
Qty. needed 6
Change interval 100,000 miles
Best spark plug NGK 9723 SILZKR7B11 Laser Iridium Spark Plug
Popular choice NGK 94705 LKR7BHX Ruthenium HX Plug

 

2011 2012 2013 2014 Chrysler 300 Spark Plugs

Info/Engine 3.6L 6-cyl ERB Flex 5.7L 8-cyl EZH
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 6 16
Change interval 100,000 miles 100,000 miles
Best spark plug NGK 9723 SILZKR7B11 Laser Iridium Spark Plug NGK 92145 LZFR5CI-11 Laser Iridium Spark Plug
Popular choice NGK 93175 LKR7DIX-11S Iridium IX Spark Plug NGK 92174 LZFR5C-11 Nickel Spark Plug

 

Info/Engine 3.6L 6-cyl ERB Pentastar 6.4L 8-cyl ESG
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 6 16
Change interval 100,000 miles 96,000 miles
Best spark plug NGK 9723 SILZKR7B11 Laser Iridium Spark Plug NGK 97408 LZTR6AP11EG Laser Platinum Spark Plug
Popular choice E3 E3.82 Spark Plug Denso 5350 ITL20 Iridium Power Spark Plug

 

2008 2009 2010 Chrysler 300 Spark Plugs

Info/Engine 5.7L 8-cyl Engine EZD 3.5L 6-cyl Engine
OEM spark plug gap 0.044″ (1.11mm) 0.052″ (1.32mm)
Qty. needed 16 6
Change interval 100,000 miles 96,000 miles
Best spark plug NGK 92145 LZFR5CI-11 Laser Iridium Spark Plug NGK 7781 ZFR5LP-13G Laser Platinum Spark Plug
Popular choice NGK 4469 LFR5AIX-11 Iridium IX Spark Plug E3 E3.58 Spark Plug

 

Info/Engine 2.7L 6-cyl Engine EER 6.1L 8-cyl Engine
OEM spark plug gap 0.052″ (1.32mm) 0.052″ (1.32mm)
Qty. needed 6 16
Change interval 96,000 miles 96,000 miles
Best spark plug NGK 4998 PLZTR5A-13 Laser Platinum Spark Plug NGK 4998 PLZTR5A-13 Laser Platinum Spark Plug
Popular choice NGK 4306 LZTR5A-13 V-Power Spark Plug NGK 2314 LZTR5AIX-13 Iridium IX Spark Plug

 

2005 2006 2007 Chrysler 300 Spark Plugs

Info/Engine 3.5L 6-cyl Engine 6.1L 8-cyl Engine
OEM spark plug gap 0.052″ (1.32mm) 0.052″ (1.32mm)
Qty. needed 6 16
Change interval 96,000 miles 96,000 miles
Best spark plug NGK 7781 ZFR5LP-13G Laser Platinum Spark Plug NGK 4998 PLZTR5A-13 Laser Platinum Spark Plug
Popular choice E3 E3.58 Spark Plug NGK 2314 LZTR5AIX-13 Iridium IX Spark Plug

 

Info/Engine 2.7L 6-cyl Engine EER 5.7L 8-cyl Engine
OEM spark plug gap 0.052″ (1.32mm) 0.044″ (1.11mm)
Qty. needed 6 16
Change interval 96,000 miles 30,000 miles
Best spark plug NGK 4998 PLZTR5A-13 Laser Platinum Spark Plug NGK 5306 LZTR4A-11 V-Power Spark Plug
Popular choice NGK 4306 LZTR5A-13 V-Power Spark Plug NGK 4997 PLZTR4A-13 Laser Platinum Spark Plug

In fairness, the most significant change in the Chrysler 300 is not in its appearance or decorative features but rather in its technological “stuffing.” In particular, the engineers redefined the suspension, increasing use of aluminum parts.

The car’s basic technology has also improved. The electric power steering has been updated (the steering wheel becomes heavy in the “Sport” setting, while the response to pressing the accelerator is increased and the gearshift points change).

And, like all other Lexus models before it, this one now features a variety of advanced driver assistance systems, including adaptive cruise control, a forward-collision warning system, blind-spot monitoring, lane-keeping assistance, a traffic alert system when backing into a parking space, and so on.

The Chrysler 300 engine range consists of two engines – a 3.6-liter V6, which produces, depending on the boost, 292 and 300 hp. With. power, as well as a 5.7-liter V8, in the arsenal of which 363 “horses”. There is only one transmission in all cases – an 8-speed automatic. Moreover, instead of the traditional gear shift knob, a rotary selector appeared in the cabin.

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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