What Does A Spark Plug Do
Spark plugs can make or break your engine’s performance. Understand how they work, how to recognize a faulty one, and get expert advice on choosing the right spark plug for better engine health.
Jul 21, 2026
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Chevrolet Express 3500 Spark Plug Wire
55 itemsMisfires, rough idle, or weak acceleration can start with aging ignition wires. Replace your spark plug wires set to help deliver steady spark and restore smoother engine performance.
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Walker ProductsPart # 924-6008
Walker Products 924-6008 Spark Plug Wire Set
4.52 Reviews
$122.99
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3-year warranty
90 days free return
Fits 2009-2009 Buick LaCrosse, 2002-2006 Cadillac Escalade, 2002-2006 Cadillac Escalade EXT, 2003-2006 Cadillac Escalade ESV, 2009-2013 Cadillac Escalade EXT, 2009-2020 Cadillac Escalade, 2009-2020 Cadillac Escalade ESV, 2015-2019 Cadillac CTS, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2022-2022 Cadillac CT5, 1999-1999 Chevrolet Silverado 2500, 1999-2006 Chevrolet Silverado 1500, 1999-2006 Chevrolet Silverado 1500, 2000-2000 Chevrolet Silverado 2500, 2000-2000 Chevrolet Suburban 2500, 2000-2000 Chevrolet Tahoe, 2000-2000 Chevrolet Tahoe, 2000-2002 Chevrolet Suburban 1500, 2000-2004 Chevrolet Silverado 2500
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Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6008
item #1001PPXT
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DensoPart # 671-8072
Spark Plug Wire Set - Denso 671-8072
51 Reviews
$87.99
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3-year warranty
90 days free return
Fits 2004-2004 Buick Rainier, 2003-2004 Chevrolet SSR, 2003-2004 Chevrolet Trailblazer EXT, 2003-2005 Chevrolet Express 1500, 2003-2005 Chevrolet Express 2500, 2003-2005 Chevrolet Express 2500, 2003-2005 Chevrolet Express 2500, 2003-2005 Chevrolet Express 3500, 2005-2005 Chevrolet Express 3500, 2003-2003 GMC Envoy XL, 2003-2003 GMC Savana 3500, 2003-2005 GMC Savana 1500, 2003-2005 GMC Savana 2500, 2003-2005 GMC Savana 2500, 2003-2005 GMC Savana 2500, 2004-2005 GMC Savana 3500, 2003-2004 Isuzu Ascender
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Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8072, 118075, 35-8337, 6718072, 97093, 700531, 748JJ, 7881
item #100316Z3
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DensoPart # 671-8064
Spark Plug Wire Set - Denso 671-8064
51 Reviews
$83.99
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3-year warranty
90 days free return
Fits 2001-2002 Chevrolet Express 3500, 2001-2002 Chevrolet Silverado 2500 HD, 2001-2005 Chevrolet Silverado 3500, 2001-2005 Chevrolet Suburban 2500, 2002-2002 Chevrolet Avalanche 2500, 2001-2002 GMC Savana 3500, 2001-2002 GMC Sierra 2500 HD, 2001-2002 GMC Sierra 3500, 2001-2002 GMC Yukon XL 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8064, 118065, 35-8159, 732, 6718064, 97073, 97095, 700216,
...View moreitem #1003177S
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DensoPart # 671-8063
Denso 671-8063 Spark Plug Wire
51 Reviews
$91.99
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3-year warranty
90 days free return
Fits 2002-2005 Cadillac Escalade EXT, 2002-2006 Cadillac Escalade, 2003-2005 Cadillac Escalade ESV, 2006-2006 Cadillac Escalade ESV, 2006-2006 Cadillac Escalade EXT, 2009-2011 Cadillac Escalade ESV, 2009-2011 Cadillac Escalade EXT, 2009-2014 Cadillac Escalade, 1999-1999 Chevrolet Silverado 2500, 1999-2006 Chevrolet Silverado 1500, 1999-2006 Chevrolet Silverado 1500, 2000-2000 Chevrolet Silverado 2500, 2000-2000 Chevrolet Suburban 2500, 2000-2000 Chevrolet Tahoe, 2000-2000 Chevrolet Tahoe, 2000-2002 Chevrolet Suburban 1500, 2000-2004 Chevrolet Silverado 2500, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8063, 118064, 35-8158, 719, 6718063, 97067, 700989, 350R,
...View moreitem #100316D9
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Walker ProductsPart # 924-6003
Walker Products 924-6003 Spark Plug Wire Set
4.52 Reviews
$56.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 Buick LaCrosse, 2002-2006 Cadillac Escalade, 2002-2006 Cadillac Escalade EXT, 2003-2006 Cadillac Escalade ESV, 2009-2013 Cadillac Escalade EXT, 2009-2020 Cadillac Escalade, 2009-2020 Cadillac Escalade ESV, 2015-2019 Cadillac CTS, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2022-2022 Cadillac CT5, 1999-1999 Chevrolet Silverado 2500, 1999-2006 Chevrolet Silverado 1500, 1999-2006 Chevrolet Silverado 1500, 2000-2000 Chevrolet Silverado 2500, 2000-2000 Chevrolet Suburban 2500, 2000-2000 Chevrolet Tahoe, 2000-2000 Chevrolet Tahoe, 2000-2002 Chevrolet Suburban 1500, 2000-2004 Chevrolet Silverado 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6003
item #1001PQ5Z
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DensoPart # 671-8054
Spark Plug Wire Set - Denso 671-8054
51 Reviews
$83.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2000 Cadillac Escalade, 1996-1998 Chevrolet C2500, 1996-1998 Chevrolet K1500, 1996-1998 Chevrolet K1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500 Suburban, 1996-1999 Chevrolet C2500 Suburban, 1996-1999 Chevrolet K1500 Suburban, 1996-1999 Chevrolet K2500 Suburban, 1996-1999 Chevrolet P30, 1996-2000 Chevrolet C2500, 1996-2000 Chevrolet C3500, 1996-2000 Chevrolet K2500, 1996-2000 Chevrolet K3500, 1996-2000 Chevrolet Tahoe, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8054, 35-8150, 35-8325, 701, MSW1786, 6718054, 718Q, 748F,
...View moreitem #100318GW
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DelphiPart # XS10241
Spark Plug Wire Set - Delphi XS10241
4.539 Reviews
$138.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2000 Cadillac Escalade, 1996-1998 Chevrolet C2500, 1996-1998 Chevrolet K1500, 1996-1998 Chevrolet K1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500 Suburban, 1996-1999 Chevrolet C2500 Suburban, 1996-1999 Chevrolet K1500 Suburban, 1996-1999 Chevrolet K2500 Suburban, 1996-2000 Chevrolet C2500, 1996-2000 Chevrolet C3500, 1996-2000 Chevrolet K2500, 1996-2000 Chevrolet K3500, 1996-2000 Chevrolet Tahoe, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10241, 2X1197, QW1131, 718Q, 9718Q, 700955, 118055, 86646,
...View moreitem #1001WC81
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Walker ProductsPart # 924-1436
Walker Products 924-1436 Spark Plug Wire Set
4.52 Reviews
$51.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2000 Cadillac Escalade, 1995-1999 Chevrolet Silverado, 1995-1999 Chevrolet Suburban 1500, 1995-2003 Chevrolet W3500 Tiltmaster, 1996-1998 Chevrolet C2500, 1996-1998 Chevrolet K1500, 1996-1998 Chevrolet K1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet C1500 Suburban, 1996-1999 Chevrolet C2500 Suburban, 1996-1999 Chevrolet K1500 Suburban, 1996-1999 Chevrolet K2500 Suburban, 1996-2000 Chevrolet C2500, 1996-2000 Chevrolet C3500, 1996-2000 Chevrolet K2500, 1996-2000 Chevrolet K3500, 1996-2000 Chevrolet Tahoe, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1436, 35-8150, 3137, 9515, 8HY3137, EL-3137, 27862, 48368,
...View moreitem #1001PS53
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Walker ProductsPart # 924-1437
Walker Products 924-1437 Spark Plug Wire Set
4.52 Reviews
$53.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1996-1999 Chevrolet C2500 Suburban, 1996-1999 Chevrolet K2500 Suburban, 1996-1999 Chevrolet P30, 1996-2000 Chevrolet C2500, 1996-2000 Chevrolet C3500, 1996-2000 Chevrolet Express 3500, 1996-2000 Chevrolet K2500, 1996-2000 Chevrolet K3500, 1996-1999 GMC C2500 Suburban, 1996-1999 GMC K2500 Suburban, 1996-1999 GMC P3500, 1996-2000 GMC C2500, 1996-2000 GMC C3500, 1996-2000 GMC C3500HD, 1996-2000 GMC K2500, 1996-2000 GMC K3500, 1996-2000 GMC Savana 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1437, 35-8151, 3138, 9520, EL3138, 27861, 48369, L-4344,
...View moreitem #1001PPPU
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DelphiPart # XS10560
Spark Plug Wire Set - Delphi XS10560
4.539 Reviews
$147.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2007 Buick Rainier, 2008-2009 Buick LaCrosse, 2006-2007 Cadillac CTS, 2007-2008 Cadillac Escalade, 2007-2008 Cadillac Escalade ESV, 2007-2008 Cadillac Escalade EXT, 2003-2003 Chevrolet Express 2500, 2003-2004 Chevrolet Express 2500, 2003-2004 Chevrolet Express 2500, 2005-2005 Chevrolet Corvette, 2005-2006 Chevrolet SSR, 2005-2006 Chevrolet Trailblazer EXT, 2006-2007 Chevrolet Corvette, 2006-2007 Chevrolet Monte Carlo, 2006-2008 Chevrolet Trailblazer, 2006-2008 Chevrolet Trailblazer, 2006-2009 Chevrolet Impala, 2007-2008 Chevrolet Avalanche, 2007-2008 Chevrolet Silverado 1500, 2007-2008 Chevrolet Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10560, 2X1876, QW1554, 748RR, 19417612, 89018058, 19351593, 671-8161,
...View moreitem #1001WNC6
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DelphiPart # XS10545
Spark Plug Wire Set - Delphi XS10545
4.539 Reviews
$144.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2007 Buick Rainier, 2006-2007 Cadillac CTS, 2007-2008 Cadillac Escalade, 2003-2004 Chevrolet SSR, 2003-2005 Chevrolet Express 2500, 2003-2005 Chevrolet Trailblazer EXT, 2003-2007 Chevrolet Express 1500, 2003-2007 Chevrolet Express 2500, 2003-2007 Chevrolet Express 2500, 2003-2007 Chevrolet Express 3500, 2004-2004 Chevrolet Express 3500, 2005-2007 Chevrolet Express 3500, 2006-2008 Chevrolet Trailblazer, 2006-2008 Chevrolet Trailblazer, 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2008 Chevrolet Avalanche, 2008-2008 Chevrolet Express 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10545, 748QQ, 9748QQ, 7881, 88894395, 89018056, 19434441, 19351591
item #1001WPRA
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DelphiPart # XS10231
Spark Plug Wire Set - Delphi XS10231
4.539 Reviews
$149.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1996-1999 Chevrolet C2500 Suburban, 1996-1999 Chevrolet K2500 Suburban, 1996-1999 Chevrolet P30, 1996-2000 Chevrolet C2500, 1996-2000 Chevrolet C3500, 1996-2000 Chevrolet Express 3500, 1996-2000 Chevrolet K2500, 1996-2000 Chevrolet K3500, 1999-2000 Chevrolet C3500HD, 1996-1999 GMC C2500 Suburban, 1996-1999 GMC K2500 Suburban, 1996-1999 GMC P3500, 1996-2000 GMC C2500, 1996-2000 GMC C3500, 1996-2000 GMC K2500, 1996-2000 GMC K3500, 1996-2000 GMC Savana 3500, 1999-2000 GMC C3500HD
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10231, 2X1208, QW1130, 748G, 9748G, 700956, 118056, 35-PF77838,
...View moreitem #1001W9D5
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DelphiPart # XS10389
Spark Plug Wire Set - Delphi XS10389
4.539 Reviews
$100.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade, 2002-2006 Cadillac Escalade EXT, 2003-2006 Cadillac Escalade, 2003-2006 Cadillac Escalade ESV, 2009-2012 Cadillac Escalade, 2009-2012 Cadillac Escalade ESV, 2009-2012 Cadillac Escalade EXT, 1999-1999 Chevrolet Silverado 2500, 1999-2006 Chevrolet Silverado 1500, 1999-2006 Chevrolet Silverado 1500, 2000-2000 Chevrolet Silverado 2500, 2000-2000 Chevrolet Suburban 2500, 2000-2000 Chevrolet Tahoe, 2000-2000 Chevrolet Tahoe, 2000-2002 Chevrolet Suburban 1500, 2000-2004 Chevrolet Silverado 2500, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
QuantityOne Set
Part interchange
XS10389, QW1223, 748HH, 9748HH, 118063, 35-PF77862, 700989, 88894394,
...View moreitem #1001WAG1
Show less
A-Premium®Part # APSPW560
8 Pcs Blue Spark Plug Wire Set for Chevrolet Silverado 1500 Impala GMC Sierra 1500
4.555 Reviews
$35.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2008 Buick Allure, 2009 - 2009 Buick LaCrosse, 2004 - 2004 Buick Rainier, 2004 - 2004 Buick Rainier, 2005 - 2005 Buick Rainier, 2005 - 2007 Buick Rainier, 2006 - 2007 Cadillac CTS, 2007 - 2008 Cadillac Escalade, 2007 - 2008 Chevrolet Avalanche, 2007 - 2008 Chevrolet Avalanche, 2005 - 2007 Chevrolet Corvette, 2006 - 2008 Chevrolet Corvette, 2006 - 2008 Chevrolet Express 2500, 2006 - 2008 Chevrolet Express 2500, 2003 - 2008 Chevrolet Express 3500, 2003 - 2009 Chevrolet Express 3500, 2005 - 2009 Chevrolet Express 3500, 2006 - 2008 Chevrolet Impala, 2006 - 2007 Chevrolet Monte Carlo, 2000 - 2005 Chevrolet Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
Quantity8
Part interchange
48322R
ConditionNew
item #1018A8HT
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A-Premium®Part # APSPW569
8 Pcs Blue Spark Plug Wire Set for Chevy Silverado 1500 GMC Sierra 1500 Cadillac
4.555 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2022 - 2022 Cadillac CT5, 2016 - 2019 Cadillac CTS, 2015 - 2020 Cadillac Escalade, 2021 - 2022 Cadillac Escalade, 2015 - 2020 Cadillac Escalade ESV, 2021 - 2022 Cadillac Escalade ESV, 2016 - 2022 Chevrolet Camaro, 2017 - 2022 Chevrolet Camaro, 2020 - 2022 Chevrolet Camaro, 2014 - 2014 Chevrolet Corvette, 2014 - 2014 Chevrolet Corvette, 2015 - 2019 Chevrolet Corvette, 2015 - 2019 Chevrolet Corvette, 2017 - 2019 Chevrolet Corvette, 2019 - 2019 Chevrolet Corvette, 2018 - 2020 Chevrolet Express 2500, 2018 - 2020 Chevrolet Express 3500, 2014 - 2014 Chevrolet Silverado 1500, 2014 - 2014 Chevrolet Silverado 1500, 2015 - 2018 Chevrolet Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Express 3500
Item LocatedUnited States
Quantity8
ConditionNew
item #1018A89D
Note
Engineering Year 2021(J21).
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What are spark plug wires?
Spark plug wires, also known as ignition cables or spark plug leads, are a set of wires that connect the ignition coil or distributor to the spark plugs in an internal combustion engine. They are responsible for transmitting high-voltage electrical energy from the ignition source to the spark plugs, which ignite the fuel-air mixture in the engine's cylinders.
The spark plug wires typically consist of a central core made of conductive materials such as copper, and an insulating layer made of materials like silicone or rubber to prevent electrical current from leaking. The wires are designed to withstand high temperatures and electrical interference and are often color-coded to ensure correct installation.
Signs of bad spark plug wires
Spark plug wires play a crucial role in ensuring reliable engine performance. Worn or damaged spark plug wires can cause misfires, rough idling, and poor fuel efficiency, so it's important to take regular maintenance and replace them as needed.
Engine knocking
When the spark plug wires fail, the engine may produce a knocking sound, particularly under heavy loads. This can be caused by pre-ignition or detonation, which can occur when the spark plug wires are not delivering enough energy to the spark plugs.
Rough shifting (automatic transmission)
In some cases, a damaged spark plug wire can cause rough shifting in an automatic transmission. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
Burned spark plug wires
If you notice that your spark plug wires are discolored or burned, this can be a sign that they are not functioning properly. Burned spark plug wires can be caused by excessive heat, electrical interference, or other issues.
Poor acceleration
When the spark plug wires are failing, the engine may have trouble accelerating smoothly. This can be due to misfires or other problems related to the spark plug wires.
Stalling
A damaged spark plug wire can cause the engine to stall or cut out, particularly at idle. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
How to change spark plug wires?
Replacing a spark plug wire set is a relatively simple task, and can usually be completed in under an hour. You can follow these steps:
1. Remove the worn or faulty spark wire set.
To avoid confusion and prevent accidentally switching the wires, it is recommended to replace each spark plug wire individually, starting with the longest one. When removing the wires from either the spark plug or distributor cap, it is important to loosen the connection by twisting or rotating the boot. Yanking or forcefully pulling on the wires may cause them to break. Only pull on the boot and refrain from pulling on the cable.
2. Install the new spark plug wire set
Install the new spark plug wires in the same location as the old wires, making sure to connect each wire to the correct spark plug. If your new spark plug wires have boots, be sure to push the boot firmly onto the spark plug until it clicks into place.
3. Test the new spark plug wires
Once you have installed the new spark plug wires, start the engine and check for any signs of misfires, rough idling, or other problems that could indicate an issue with the spark plug wires. If everything looks good, you're all set!