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2020 GMC Sierra 2500 HD - Spark Plugs

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NGK Iridium/Platinum Plug Number ILTR5E11 Spark Plug - 91418

Part #:: 91418
Line:: NGK

1 Year Limited Warranty

Metallurgy: Iridium/Platinum

Service Number: ILTR5E11

Center Electrode Tip Material: Iridium

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NGK Iridium Plug Number LTR5IX-11 Spark Plug - 4344

Part #:: 4344
Line:: NGK

1 Year Limited Warranty

Metallurgy: Iridium

Service Number: LTR5IX-11

Center Electrode Tip Material: Iridium

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NGK Platinum Plug Number LTR5GP Spark Plug - 5019

Part #:: 5019
Line:: NGK

1 Year Limited Warranty

Metallurgy: Platinum

Service Number: LTR5GP

Center Electrode Tip Material: Platinum