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Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type.
Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form. Iridium offers excellent engine idle stability and smooth performance. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage.

Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration. Acdelco gm original equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
Iridium offers excellent engine idle stability and smooth performance. Gm regularly updates production and service part designs to integrate new materials and technologies. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle.

Gm regularly updates production and service part designs to integrate new materials and technologies. Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability.
Acdelco gm original equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance.

Latest evolution in high-performance plug electrode material and New-vehicle applications using iridium plugs continues to increase. Iridium tip for maximum resistance to spark erosion and corrosive combustion chamber environment.

Iridium offers better engine idle stability and smoother performance. One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.


Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional.
Iridium offers excellent engine idle stability and smooth performance. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage. One piece suppressor seal helps block radio frequencies that can affect vehicle electronics. Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form.

If you have any questions, please contact us with the frame number, and we will provide you with the most correct advice. Spark plug wires part no. 9748ee 9748hh 9748gg 9748hh 88892830 88894393 88894394 349u 349v 350m 350r 748bb 748ee 748hh 748GG XS10388.
1. ACDelco
#ad
ACDelco GM Original Equipment 41-110 Iridium Spark Plug
#adACDelco #ad - Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration. Gm regularly updates production and service part designs to integrate new materials and technologies.Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type.
More information #ad
Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle. One piece suppressor seal helps block radio frequencies that can affect vehicle electronics. Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form. Iridium offers excellent engine idle stability and smooth performance. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage.
Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 1.1 Inches |
Length | 6.6 Inches |
Weight | 0.72 Pounds |
Width | 3.6 Inches |
Part Number | 41-110 |
Model | 41-110 |
Warranty | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
More information #ad
2. ACDelco
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ACDelco GM Original Equipment 41-104 Iridium Spark Plug Pack of 1
#adACDelco #ad - Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form. Fits: 2012-2015 chevrolet camaro, 2009-2015 cadillac CTS, 2006-2013 Chevrolet Corvette. One piece suppressor seal helps block radio frequencies that can affect vehicle electronics.Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration. Acdelco gm original equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
More information #ad
Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage. Iridium offers excellent engine idle stability and smooth performance. Gm regularly updates production and service part designs to integrate new materials and technologies. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle.
Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 1.1 Inches |
Length | 6.6 Inches |
Weight | 0.72 Pounds |
Width | 3.6 Inches |
Part Number | 41-104 |
Model | 41-104 |
Warranty | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
More information #ad
3. ACDelco
#ad
ACDelco GM Original Equipment 41-162 Iridium Spark Plug
#adACDelco #ad - Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original componentsá. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional.Gm regularly updates production and service part designs to integrate new materials and technologies. Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability.
More information #ad
Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle. Three piece fired in suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics. Acdelco gm original equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance.
Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 1.06 Inches |
Length | 4.13 Inches |
Width | 3.56 Inches |
Part Number | 41-162 |
Model | 41-162 |
Warranty | 100,000 Miles / Unlimited Months (Parts Only) |
More information #ad
4. ACDelco
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Set of 4, Acdelco 41-110 OEM Gm 12621258 Professional Iridium Spark Plug
#adACDelco #ad - Spark gap remains virtually unchanged during the life of the plug for increased fuel efficiency and 12-month/12, 000-Mile Limited Warranty.Latest evolution in high-performance plug electrode material and New-vehicle applications using iridium plugs continues to increase. Iridium tip for maximum resistance to spark erosion and corrosive combustion chamber environment.
More information #ad
Reduced ignition system voltage demands saves wear and tear. Improved cold-starting and acceleration characteristics. Acdelco is an original equipment OE supplier and has the experience engineering and manufacturing components that achieve the highest quality standards required by vehicle manufacturers.Brand | ACDelco #ad |
Height | 8 Inches |
Length | 6 Inches |
Weight | 0.44 Pounds |
Width | 2 Inches |
Part Number | 41-110 OEM 12621258 |
More information #ad
5. ACDelco
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ACDelco 41-993 Professional Iridium Spark Plug Pack of 4
#adACDelco #ad - Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap.Iridium offers better engine idle stability and smoother performance. One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.
More information #ad
Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy. Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Weight | 0.1 Pounds |
Part Number | 41-993 |
Model | 41-993 |
Warranty | For warranty information about this product, please click here |
More information #ad
6. GANGLE
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Set of 8 IRIDIUM SPARK PLUGS for GM 41-110 12621258
#adGANGLE #ad - Remove impurities, prtimize the performance of engine;Complete in specifications;easy and simple to handle. Reliable quality assurance, all units are 100% factory tested reduce harmful emission;Multi-hole design can accelerate the rapid starting of engine in cold environment.More information #ad
Constrctued from high quality material. Tough and strong;Resistant to decay. High performance, low power consumption;Fully cope with the harsh environment;. One year guarantee&excellent after service,willing to help if you have any questions.Brand | GANGLE #ad |
Manufacturer | 12621258 #ad |
Height | 2 Inches |
Length | 2 Inches |
Weight | 0.66 Pounds |
Width | 2 Inches |
Part Number | 12621258 |
Warranty | Buyers have 30 days from purchase date of each item to notify us of any concerns. |
More information #ad
7. ACDelco
#ad
ACDelco GM Original Equipment 41-114 Iridium Spark Plug Pack of 1
#adACDelco #ad - Acdelco gm original equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration.Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional.
More information #ad
Gm regularly updates production and service part designs to integrate new materials and technologies. Iridium offers excellent engine idle stability and smooth performance. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage. One piece suppressor seal helps block radio frequencies that can affect vehicle electronics. Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form.
Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 1 Inches |
Length | 4.4 Inches |
Weight | 0.09 Pounds |
Width | 3.5 Inches |
Part Number | 41-114 |
Model | 41-114 |
Warranty | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
More information #ad
8. UpsourceTech
#ad
8x 41-110 Iridium Spark Plugs & 9748HH Spark Plug Wires for Chevrolet Tahoe Suburban Silverado Camaro Corvette Express 1500 2500 3500/ GMC Savana Sierra Yukon XL/ Escalade EXT 5.3L 6.2L V8 2007-2013
#adUpsourceTech #ad - Fits gm models: for 2007-2014 chevrolet avalanche; 2008-2014 chevrolet tahoe; 2010-2015 chevrolet camaro; 2011-2014 chevrolet caprice; 2007-2012 chevrolet colorado; 2007-2013 chevrolet corvette; 2007-2011 chevrolet express 1500; 2007-2011 chevrolet express 2500; 2007-2011 Chevrolet Express 3500; 2007-2013 Chevrolet Silverado 1500; 2007-2014 Chevrolet Silverado 2500 HD; 2007-2014 Chevrolet Silverado 3500 HD; 2007-2014 Chevrolet Suburban 1500; 2007-2013 Chevrolet Suburban 2500 Notice & packing: 8pcs spark plugs 41-110 and 8pcs spark plug wires 9478EE of 1 box.More information #ad
Iridium spark plug part no. 41-110 41110 12680072 12621258 41-985 12609877 12571164. Fits gm models: for 2008-2010 gmc savana 1500; 2008 gmc savana 2500; 2008 gmc savana 3500; 2008-2013 gmc sierra 1500; 2008-2011 gmc sierra 2500 hd; 2008-2011 gmc sierra 3500 hd; 2008-2011 gmc yukon; 2010-2011 gmc canyon; 2008-2014 gmc yukon xl 1500; 2008-2013 gmc yukon xl 2500; 2009 gmc envoy; 2007-2014 Cadillac Escalade; 2007-2014 Cadillac Escalade ESV; 2007-2013 Cadillac Escalade EXT; 2009 Pontiac G8. If you have any questions, please contact us with the frame number, and we will provide you with the most correct advice. Spark plug wires part no. 9748ee 9748hh 9748gg 9748hh 88892830 88894393 88894394 349u 349v 350m 350r 748bb 748ee 748hh 748GG XS10388.
Brand | UpsourceTech #ad |
Manufacturer | UpsourceTech #ad |
Part Number | 9748HH Spark Plug Wires & 41-110 |
Model | 9748HH Spark Plug Wires & 41-110 |
More information #ad