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Shopping for 2006-Chevrolet-Trailblazer EXT
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Spark Plug

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8 Pcs Iridium & Platinum Spark Plugs for Chevrolet Silverado 1500 Buick Cadillac
A-Premium®Part # APSP107
8 Pcs Iridium & Platinum Spark Plugs for Chevrolet Silverado 1500 Buick Cadillac
4.915 Reviews
$55.99
CA$58.99
Only 1 item left in stock
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2-year warranty
90 days free return
Fits 1990 - 1991 Audi V8 Quattro, 2008 - 2009 Buick Allure, 2008 - 2009 Buick LaCrosse, 2004 - 2007 Buick Rainier, 2004 - 2005 Cadillac CTS, 2006 - 2007 Cadillac CTS, 2002 - 2005 Cadillac Escalade, 2010 - 2013 Cadillac Escalade, 2009 - 2009 Cadillac Escalade, 2002 - 2006 Cadillac Escalade, 2009 - 2014 Cadillac Escalade, 2007 - 2008 Cadillac Escalade, 2003 - 2006 Cadillac Escalade ESV, 2009 - 2014 Cadillac Escalade ESV, 2007 - 2008 Cadillac Escalade ESV, 2002 - 2006 Cadillac Escalade EXT, 2009 - 2013 Cadillac Escalade EXT, 2007 - 2008 Cadillac Escalade EXT, 2004 - 2006 Cadillac SRX, 2005 - 2006 Cadillac STS, 2004 - 2006 Cadillac XLR, 2007 - 2013 Chevrolet Avalanche, 2007 - 2009 Chevrolet Avalanche, 2007 - 2009 Chevrolet Avalanche, 2002 - 2006 Chevrolet Avalanche 1500, 1998 - 2002 Chevrolet Camaro, 2010 - 2015 Chevrolet Camaro, 2011 - 2017 Chevrolet Caprice, 2009 - 2012 Chevrolet Colorado, 1993 - 1995 Chevrolet Corvette, 1996 - 1996 Chevrolet Corvette, 2005 - 2007 Chevrolet Corvette, 2008 - 2013 Chevrolet Corvette, 2007 - 2014 Chevrolet Express 1500, 2003 - 2009 Chevrolet Express 1500, 2010 - 2017 Chevrolet Express 2500, 2003 - 2009 Chevrolet Express 2500, 2003 - 2005 Chevrolet Express 2500, 2003 - 2005 Chevrolet Express 2500, 2010 - 2020 Chevrolet Express 2500, 2003 - 2009 Chevrolet Express 2500, 2010 - 2017 Chevrolet Express 3500, 2003 - 2009 Chevrolet Express 3500, 2003 - 2005 Chevrolet Express 3500, 2010 - 2020 Chevrolet Express 3500, 2003 - 2009 Chevrolet Express 3500, 2012 - 2016 Chevrolet Express 4500, 2010 - 2011 Chevrolet Express 4500, 2009 - 2009 Chevrolet Express 4500, 2006 - 2009 Chevrolet Impala, 2006 - 2007 Chevrolet Monte Carlo, 1999 - 2009 Chevrolet Silverado 1500, 2002 - 2002 Chevrolet Silverado 1500, 1999 - 2009 Chevrolet Silverado 1500, 2012 - 2012 Chevrolet Silverado 1500, 2003 - 2003 Chevrolet Silverado 1500, 2009 - 2013 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2001 - 2003 Chevrolet Silverado 1500 HD, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 1999 - 2000 Chevrolet Silverado 2500, 1999 - 2004 Chevrolet Silverado 2500, 2002 - 2002 Chevrolet Silverado 2500 HD, 2002 - 2005 Chevrolet Silverado 2500 HD, 2010 - 2019 Chevrolet Silverado 2500 HD, 2001 - 2019 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2003 - 2005 Chevrolet Silverado 3500, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2015 - 2016 Chevrolet Silverado 3500 HD, 2010 - 2019 Chevrolet Silverado 3500 HD, 2007 - 2019 Chevrolet Silverado 3500 HD, 2014 - 2017 Chevrolet SS, 2003 - 2004 Chevrolet SSR, 2005 - 2006 Chevrolet SSR, 2002 - 2014 Chevrolet Suburban 1500, 2000 - 2009 Chevrolet Suburban 1500, 2006 - 2009 Chevrolet Suburban 1500, 2010 - 2013 Chevrolet Suburban 2500, 2000 - 2009 Chevrolet Suburban 2500, 2016 - 2018 Chevrolet Suburban 3500 HD, 2000 - 2009 Chevrolet Tahoe, 2002 - 2014 Chevrolet Tahoe, 2000 - 2009 Chevrolet Tahoe, 2010 - 2013 Chevrolet Tahoe, 2008 - 2009 Chevrolet Tahoe, 2009 - 2009 Chevrolet Tahoe, 2008 - 2008 Chevrolet Tahoe, 2006 - 2008 Chevrolet Trailblazer, 2006 - 2009 Chevrolet Trailblazer, 2003 - 2006 Chevrolet Trailblazer EXT, 2010 - 2010 Cadillac Escalade, 2013 - 2014 Cadillac Escalade, 2013 - 2014 Cadillac Escalade ESV, 2013 - 2013 Cadillac Escalade EXT, 1997 - 2004 Chevrolet Corvette, 2011 - 2016 Chevrolet Express 2500, 2018 - 2020 Chevrolet Express 2500, 2015 - 2020 Chevrolet Express 2500, 2011 - 2016 Chevrolet Express 3500, 2018 - 2020 Chevrolet Express 3500, 2016 - 2020 Chevrolet Express 3500, 2018 - 2019 Chevrolet Express 4500, 2016 - 2019 Chevrolet Express 4500, 2005 - 2011 Chevrolet Silverado 1500, 2013 - 2013 Chevrolet Silverado 1500, 2006 - 2006 Chevrolet Silverado 1500, 2005 - 2006 Chevrolet Silverado 1500 HD, 2013 - 2016 Chevrolet Silverado 2500 HD, 2018 - 2019 Chevrolet Silverado 2500 HD, 2019 - 2019 Chevrolet Silverado 3500 HD, 2012 - 2014 Chevrolet Tahoe
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2006 Chevrolet Trailblazer EXT
Item LocatedCanada
Quantity8
MaterialIridium + Platinum
Part interchange
7397, TR5IX, 3186, TR5GP, 94567, TR5AHX, 2238, TR5, 
...View more
item #1000KKUC
Note
【Note-1】 The Pre-Set Gap of the Spark Plug is 0.035-0.039 inches.
【Note-2】 Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum.
Show less
6 Pcs Iridium & Platinum Spark Plugs for Chevrolet Silverado 1500 GMC Sierra Ford
A-Premium®Part # APSP043
6 Pcs Iridium & Platinum Spark Plugs for Chevrolet Silverado 1500 GMC Sierra Ford
4.915 Reviews
$56.99
CA$59.99
Quantity Less than 2
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2007 Buick Rainier, 2019 - 2020 Chevrolet Express 2500, 2019 - 2020 Chevrolet Express 3500, 2014 - 2020 Chevrolet Silverado 1500, 2002 - 2002 Chevrolet Trailblazer, 2003 - 2005 Chevrolet Trailblazer, 2006 - 2009 Chevrolet Trailblazer, 2002 - 2006 Chevrolet Trailblazer EXT, 2007 - 2011 Ford Edge, 2009 - 2011 Ford Flex, 2012 - 2012 Ford Flex, 2010 - 2012 Ford Fusion, 2008 - 2012 Ford Taurus, 2008 - 2009 Ford Taurus X, 2002 - 2002 GMC Envoy, 2003 - 2005 GMC Envoy, 2006 - 2009 GMC Envoy, 2002 - 2006 GMC Envoy XL, 2004 - 2005 GMC Envoy XUV, 2019 - 2020 GMC Savana 2500, 2019 - 2020 GMC Savana 3500, 2014 - 2017 GMC Sierra 1500, 2019 - 2020 GMC Sierra 1500, 2003 - 2006 Isuzu Ascender, 2008 - 2008 Isuzu Ascender, 2009 - 2012 Lincoln MKS, 2010 - 2011 Lincoln MKT, 2012 - 2012 Lincoln MKT, 2007 - 2010 Lincoln MKX, 2007 - 2012 Lincoln MKZ, 2008 - 2009 Mercury Sable, 2002 - 2004 Oldsmobile Bravada, 2005 - 2009 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2006 Chevrolet Trailblazer EXT
Item LocatedCanada
Quantity6
MaterialIridium + Platinum
Part interchange
4344, LTR5IX11, 5019, LTR5GP, 5476, ILTR5D, 90220, LTR5AHX
item #10052A1Z
Note
【Note-1】 Spark Plug Pre-Set Gap: 0.035-0.043 inches.
【Note-2】 Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum.
Show less
6 Pcs Iridium & Platinum Spark Plugs for Chevy Silverado 1500 GMC Sierra 1500
A-Premium®Part # APSP139
6 Pcs Iridium & Platinum Spark Plugs for Chevy Silverado 1500 GMC Sierra 1500
4.915 Reviews
$52.99
CA$55.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2007 Buick Rainier, 2018 - 2020 Chevrolet Express 2500, 2018 - 2020 Chevrolet Express 3500, 2014 - 2021 Chevrolet Silverado 1500, 2002 - 2002 Chevrolet Trailblazer, 2003 - 2005 Chevrolet Trailblazer, 2006 - 2009 Chevrolet Trailblazer, 2002 - 2006 Chevrolet Trailblazer EXT, 2002 - 2002 GMC Envoy, 2003 - 2005 GMC Envoy, 2006 - 2009 GMC Envoy, 2002 - 2006 GMC Envoy XL, 2004 - 2005 GMC Envoy XUV, 2018 - 2020 GMC Savana 2500, 2018 - 2020 GMC Savana 3500, 2014 - 2021 GMC Sierra 1500, 2003 - 2008 Isuzu Ascender, 2002 - 2004 Oldsmobile Bravada, 2005 - 2009 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2006 Chevrolet Trailblazer EXT
Item LocatedCanada
Quantity6
MaterialIridium + Platinum
Part interchange
91418, ILTR5E11, 12598004, 12622441, 12625058
item #10051LPT
Note
【Note-1】 Spark Plug Pre-Set Gap: 0.039-0.043 inches.
【Note-2】 Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum.
Show less
4 Pcs Iridium & Platinum Spark Plugs for Chevrolet S10 Vega Ford Courier GMC
A-Premium®Part # APSP105
4 Pcs Iridium & Platinum Spark Plugs for Chevrolet S10 Vega Ford Courier GMC
4.915 Reviews
$44.99
CA$47.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1990 - 1991 Audi V8 Quattro, 2008 - 2009 Buick Allure, 2008 - 2009 Buick LaCrosse, 2004 - 2007 Buick Rainier, 2004 - 2005 Cadillac CTS, 2006 - 2007 Cadillac CTS, 2002 - 2005 Cadillac Escalade, 2010 - 2013 Cadillac Escalade, 2009 - 2009 Cadillac Escalade, 2002 - 2006 Cadillac Escalade, 2009 - 2014 Cadillac Escalade, 2007 - 2008 Cadillac Escalade, 2003 - 2006 Cadillac Escalade ESV, 2009 - 2014 Cadillac Escalade ESV, 2007 - 2008 Cadillac Escalade ESV, 2002 - 2006 Cadillac Escalade EXT, 2009 - 2013 Cadillac Escalade EXT, 2007 - 2008 Cadillac Escalade EXT, 2004 - 2006 Cadillac SRX, 2005 - 2006 Cadillac STS, 2004 - 2006 Cadillac XLR, 2007 - 2013 Chevrolet Avalanche, 2007 - 2009 Chevrolet Avalanche, 2007 - 2009 Chevrolet Avalanche, 2002 - 2006 Chevrolet Avalanche 1500, 1998 - 2002 Chevrolet Camaro, 2010 - 2015 Chevrolet Camaro, 2011 - 2017 Chevrolet Caprice, 2009 - 2012 Chevrolet Colorado, 1993 - 1995 Chevrolet Corvette, 1996 - 1996 Chevrolet Corvette, 2005 - 2007 Chevrolet Corvette, 2008 - 2013 Chevrolet Corvette, 2007 - 2014 Chevrolet Express 1500, 2003 - 2009 Chevrolet Express 1500, 2010 - 2017 Chevrolet Express 2500, 2003 - 2009 Chevrolet Express 2500, 2003 - 2005 Chevrolet Express 2500, 2003 - 2005 Chevrolet Express 2500, 2010 - 2020 Chevrolet Express 2500, 2003 - 2009 Chevrolet Express 2500, 2010 - 2017 Chevrolet Express 3500, 2003 - 2009 Chevrolet Express 3500, 2003 - 2005 Chevrolet Express 3500, 2010 - 2020 Chevrolet Express 3500, 2003 - 2009 Chevrolet Express 3500, 2012 - 2016 Chevrolet Express 4500, 2010 - 2011 Chevrolet Express 4500, 2009 - 2009 Chevrolet Express 4500, 2006 - 2009 Chevrolet Impala, 2006 - 2007 Chevrolet Monte Carlo, 1999 - 2009 Chevrolet Silverado 1500, 2002 - 2002 Chevrolet Silverado 1500, 1999 - 2009 Chevrolet Silverado 1500, 2012 - 2012 Chevrolet Silverado 1500, 2003 - 2003 Chevrolet Silverado 1500, 2009 - 2013 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2001 - 2003 Chevrolet Silverado 1500 HD, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 1999 - 2000 Chevrolet Silverado 2500, 1999 - 2004 Chevrolet Silverado 2500, 2002 - 2002 Chevrolet Silverado 2500 HD, 2002 - 2005 Chevrolet Silverado 2500 HD, 2010 - 2019 Chevrolet Silverado 2500 HD, 2001 - 2019 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2003 - 2005 Chevrolet Silverado 3500, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2015 - 2016 Chevrolet Silverado 3500 HD, 2010 - 2019 Chevrolet Silverado 3500 HD, 2007 - 2019 Chevrolet Silverado 3500 HD, 2014 - 2017 Chevrolet SS, 2003 - 2004 Chevrolet SSR, 2005 - 2006 Chevrolet SSR, 2002 - 2014 Chevrolet Suburban 1500, 2000 - 2009 Chevrolet Suburban 1500, 2006 - 2009 Chevrolet Suburban 1500, 2010 - 2013 Chevrolet Suburban 2500, 2000 - 2009 Chevrolet Suburban 2500, 2016 - 2018 Chevrolet Suburban 3500 HD, 2000 - 2009 Chevrolet Tahoe, 2002 - 2014 Chevrolet Tahoe, 2000 - 2009 Chevrolet Tahoe, 2010 - 2013 Chevrolet Tahoe, 2008 - 2009 Chevrolet Tahoe, 2009 - 2009 Chevrolet Tahoe, 2008 - 2008 Chevrolet Tahoe, 2006 - 2008 Chevrolet Trailblazer, 2006 - 2009 Chevrolet Trailblazer, 2003 - 2006 Chevrolet Trailblazer EXT, 2010 - 2010 Cadillac Escalade, 2013 - 2014 Cadillac Escalade, 2013 - 2014 Cadillac Escalade ESV, 2013 - 2013 Cadillac Escalade EXT, 1997 - 2004 Chevrolet Corvette, 2011 - 2016 Chevrolet Express 2500, 2018 - 2020 Chevrolet Express 2500, 2015 - 2020 Chevrolet Express 2500, 2011 - 2016 Chevrolet Express 3500, 2018 - 2020 Chevrolet Express 3500, 2016 - 2020 Chevrolet Express 3500, 2018 - 2019 Chevrolet Express 4500, 2016 - 2019 Chevrolet Express 4500, 2005 - 2011 Chevrolet Silverado 1500, 2013 - 2013 Chevrolet Silverado 1500, 2006 - 2006 Chevrolet Silverado 1500, 2005 - 2006 Chevrolet Silverado 1500 HD, 2013 - 2016 Chevrolet Silverado 2500 HD, 2018 - 2019 Chevrolet Silverado 2500 HD, 2019 - 2019 Chevrolet Silverado 3500 HD, 2012 - 2014 Chevrolet Tahoe
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2006 Chevrolet Trailblazer EXT
Item LocatedCanada
Quantity4
MaterialIridium + Platinum
Part interchange
7397, TR5IX, 3186, TR5GP, 94567, TR5AHX, 2238, TR5, 
...View more
item #1000KUNP
Note
Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum.
Show less

What does a spark plug do?

A spark plug is like the ignition spark that gets your engine firing on all cylinders—literally. It’s a small but vital part that plays a huge role in the engine’s performance. When you start your car, the spark plug generates a spark that ignites the fuel and air mixture inside the engine’s cylinders. This controlled explosion powers the engine’s pistons, which then turn the crankshaft and keep the vehicle moving. Without the spark plug, the engine would fail to combust the fuel, and your car simply wouldn’t start.

Not only does the spark plug create this spark, but it also helps keep the combustion process efficient. A properly working spark plug ensures smooth engine performance, better fuel efficiency, and lower emissions. Over time, spark plugs wear out and can affect everything from acceleration to engine misfires. So, while it’s a small part, its job is crucial for your vehicle to run properly and efficiently.

Symptoms of a bad spark plug

Bad spark plugs can cause several noticeable symptoms in your vehicle. You might experience engine misfires, where the engine runs unevenly, jerks, or stalls. Poor acceleration is another sign, with your car feeling sluggish or slow to respond when you press the gas pedal. A rough idle, where the engine shakes or vibrates at a stop, is also common. If you notice your car is using more gas than usual, it could be due to decreased fuel efficiency caused by faulty spark plugs. Hard starting, where the engine takes longer to crank, and the Check Engine light coming on are also indicators. Lastly, you may see increased exhaust emissions, with a strong gasoline smell or black smoke coming from the tailpipe. If you notice any of these, it’s a good idea to check and replace your spark plugs.

Get the best spark plugs here at A-Premium

Say goodbye to rough idling, engine misfires, or starting issues with the new spark plugs from A-Premium. Our spark plugs are compatible with virtually all makes and models across a wide range of heat ratings. Shop online now and enjoy free shipping and fast delivery.

At A-Premium, we make it simple to find the perfect parts for your vehicle. If you're asking, “Which spark plugs do I need?” just enter your car’s year, make, model, and engine details at the top of this page, and we'll help you choose the right spark plugs. For example, if you need spark plugs for your Honda Civic, just enter its information, and we’ll recommend the perfect fit. Shop now!