Car PartsGMC PartsGMC Sierra 2500 HD PartsGMC Sierra 2500 HD Spark Plug

GMC Sierra 2500 HD Spark Plug

Great cars and trucks like your Sierra 2500 HD need great parts.

Your GMC dealership isn't the only place to locate the best parts to repair your Sierra 2500 HD. Anyone who owns a GMC knows that when it comes to repairing their car, truck, or SUV only the most superior replacement parts will do. While it's not hard to buy replacement parts for GMC vehicles, these days only the highest quality are required to repair your automobile. Obviously, you bought your Sierra 2500 HD because you knew that you wanted horsepower and great value both rolled up into one automobile.

Why Spark Plug replacement is so important.

Some engine parts are tucked away out of sight, so they can be forgotten about when performing regular maintenance. The job of creating a spark in the combustion chambers that ignites the air/fuel mixture in the engine is your GMC Sierra 2500 HD spark plug. Basic spark plugs use a copper electrode, while performance spark plugs use platinum or iridium on all current models. Should a spark plug fail to do its job, the engine in your GMC Sierra 2500 HD will not turn as hard; leading to an increase in unburnt hydrocarbon emissions and a decrease in horsepower and fuel economy.

We've got what you are looking for.

Select Your YearWhen your GMC needs the best replacement Spark Plug, there's no need to go somewhere besides the authority, Car Parts Discount. Buy all the car parts you will ever need from carpartsdiscount.com and save time and money on all your upcoming repairs. Get your Sierra 2500 HD back on the road with the best replacement parts from the experts at Car Parts Discount. If your car or truck was built in 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, then you will find the correct GMC Sierra 2500 HD Spark Plug parts right here.

GMC Sierra 2500 HD Spark Plug, OEM: TR55
NGK V-Power Spark Plug TR55
1.95, Save 80%   HOT DEAL! POPULAR
OEM: TR55, Item: 125095
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: PT16TT
Denso Platinum TT Spark Plug PT16TT
3.15, Save 67%   HOT DEAL! POPULAR
OEM: PT16TT, Item: 450252
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: 9612
Bosch Iridium Spark Plug 9612
6.25, Save 58%   NEW ITEM HOT DEAL!
OEM: 9612, Item: 339943
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: TR55IX
NGK Iridium Spark Plug TR55IX
6.95, Save 57%   NEW ITEM HOT DEAL!
OEM: TR55IX, Item: 125100
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: 9405
Champion Spark Plug 9405
5.75, Save 40%   NEW ITEM
OEM: 9405, Item: 422821
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: 6704
Bosch Platinum Spark Plug 6704
3.85, Save 51%   NEW ITEM HOT DEAL!
OEM: 6704, Item: 342888
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: TR55GP
NGK G-Power Spark Plug TR55GP
3.05, Save 36%   NEW ITEM
OEM: TR55GP, Item: 125099
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: 9602
Bosch Iridium Spark Plug 9602
6.55, Save 36%   NEW ITEM
OEM: 9602, Item: 342134
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: 5325
Denso Spark Plug 5325
6.55, Save 39%   NEW ITEM
OEM: 5325, Item: 13466
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD, Base, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, Denali, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, SLE, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, SLT, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD, WT, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 2500 HD Spark Plug, OEM: IZTR5B11
NGK Laser Iridium Spark Plug IZTR5B11
8.45, Save 24%   NEW ITEM
OEM: IZTR5B11, Item: 343305
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD, 6.0L 5967CC 364Cu. In. V8