Car PartsGMC PartsGMC Sierra 1500 HD PartsGMC Sierra 1500 HD Spark Plug

GMC Sierra 1500 HD Spark Plug

Great cars and trucks like your Sierra 1500 HD need great parts.

When your GMC Sierra 1500 HD left the factory, it was destined for a person with discerning taste who prioritizes longevity in their automobile. Your GMC dealership isn't the only place to buy genuine or original equipment quality repair parts to fix your Sierra 1500 HD. Auto enthusiasts know that strong looks is built into each GMC, and know that only the highest quality repair Sierra 1500 HD parts will suffice when repairs are needed. GMC vehicle drivers have grown accustomed to a certain level of reliability when driving their Sierra 1500 HD around town.

Don't go too long without fixing your Spark Plug... here's why.

Sometimes the most important performance parts are the smallest, but they can be forgotten about when performing regular maintenance. The job of detonating the air/fuel mixture in the combustion chambers in the engine is your GMC Sierra 1500 HD spark plug. Basic spark plugs use a copper electrode, while performance spark plugs use platinum or iridium on all current models. If one of the spark plugs wears out, the engine in your GMC Sierra 1500 HD will not turn as hard; leading to an increase in unburnt hydrocarbon emissions and a decrease in horsepower and fuel economy.

Good products, great prices, the best people.

Select Your YearGet your Sierra 1500 HD back on the road with the highest quality repair parts from the experts at Car Parts Discount. Ordering new GMC parts from www.carpartsdiscount.com means you are paying the lowest prices for the highest quality original and aftermarket replacement Sierra 1500 HD parts on the internet. Given all the trouble that can be involved with installing a part to fix your car or truck, let www.carpartsdiscount.com be the most authoritative website you go to make purchasing it easy. All the GMC Sierra 1500 HD Spark Plug parts on this page will fit vehicles made in 2006, 2005, 2003, 2002, 2001. Choose your year below to refine your search.

Select Your Year

GMC Sierra 1500 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 1500 HD
GMC Sierra 1500 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 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 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 1500 HD
GMC Sierra 1500 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 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 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 1500 HD
GMC Sierra 1500 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 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 HD Spark Plug, OEM: 5325
Denso Spark Plug 5325
6.55, Save 39%   NEW ITEM
OEM: 5325, Item: 13466
8 In Stock, Usually ships within 1 business day

GMC Sierra 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 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 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 HD Spark Plug, OEM: 408
Champion Spark Plug 408
1.75, Save 41%   NEW ITEM
OEM: 408, Item: 422696
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 1500 HD, 6.0L 5967CC 364Cu. In. V8
GMC Sierra 1500 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 1500 HD, 6.0L 5967CC 364Cu. In. V8