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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GMC Spark Plug Wire
771 itemsSpark plug wires carry high voltage from the ignition coil or distributor to the spark plugs on engines equipped with separate ignition leads. Their insulated cables and boots help keep that voltage on its intended path to the plugs.
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Walker ProductsPart # 924-6010
Walker Products 924-6010 Spark Plug Wire Set
4.73 Reviews
$122.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD, 2007-2007 GMC Sierra 3500 Classic, 2007-2007 GMC Sierra 3500 HD, 2006-2006 Chevrolet Silverado 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2005 Chevrolet Silverado 2500, 2004-2008 Chevrolet W3500 Tiltmaster, 2004-2008 GMC W3500 Forward, 2003-2010 GMC W4500 Forward, 2003-2008 Chevrolet W4500 Tiltmaster, 2003-2007 Hummer H2, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Sonora, 2003-2006 Chevrolet Suburban 1500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6010
item #1001PS08
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Walker ProductsPart # 924-1330
Walker Products 924-1330 Spark Plug Wire Set
4.73 Reviews
$41.99
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3-year warranty
90 days free return
Fits 1992-1995 GMC C2500, 1992-1995 GMC K2500, 1992-1995 GMC P3500, 1992-1993 Chevrolet Caprice, 1991-1994 Oldsmobile Bravada, 1991-1991 Chevrolet S10 Blazer, 1991-1991 GMC Sonoma, 1990-1991 GMC S15 Jimmy, 1990-1990 Chevrolet S10 Blazer, 1988-1991 Chevrolet S10, 1988-1990 GMC S15, 1988-1989 Chevrolet S10 Blazer, 1988-1989 GMC S15 Jimmy
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1330, 35-6138, 35-6168, 35-6114, 2917, 9022, 9023, 3102,
...View moreitem #1001PQUY
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Walker ProductsPart # 924-1423
Walker Products 924-1423 Spark Plug Wire Set
4.73 Reviews
$62.99
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3-year warranty
90 days free return
Fits 1987-1989 Chevrolet Caprice, 1987-1988 Chevrolet Caprice, 1987-1988 Chevrolet Monte Carlo, 1987-1987 Chevrolet El Camino, 1987-1987 GMC Caballero, 1987-1987 Pontiac Grand Prix
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1423, 35-8116, 2940, 9047, 27837, 35-77830, 4080, 781,
...View moreitem #1001PS8W
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Walker ProductsPart # 924-1427
Walker Products 924-1427 Spark Plug Wire Set
4.73 Reviews
$50.99
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3-year warranty
90 days free return
Fits 1989-1989 Chevrolet R3500, 1989-1989 Chevrolet V3500, 1987-1989 Chevrolet P30, 1987-1989 GMC P3500, 1987-1989 GMC R3500, 1987-1989 GMC V3500, 1987-1988 Chevrolet R30, 1987-1988 Chevrolet V30, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C30, 1985-1986 Chevrolet K30, 1985-1986 Chevrolet P30, 1985-1986 GMC C2500, 1985-1986 GMC C2500 Suburban, 1985-1986 GMC C3500, 1985-1986 GMC K3500, 1985-1986 GMC P3500, 1985-1985 Chevrolet K20 Suburban
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1427, 35-8133, 2910, 9061, 4101, 4085, 6865, 6882,
...View moreitem #1001PP63
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Walker ProductsPart # 924-1055
Walker Products 924-1055 Spark Plug Wire Set
4.73 Reviews
$39.99
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3-year warranty
90 days free return
Fits 1995-1995 Geo Tracker, 1994-1997 Pontiac Sunrunner, 1992-1995 Suzuki Sidekick, 1992-1993 Asuna Sunrunner, 1991-1994 Geo Tracker, 1991-1991 Chevrolet Tracker, 1991-1991 GMC Tracker, 1989-1991 Suzuki Sidekick
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1055, 35-4016, 9091, SE83, 4904, 9202, 9291, 29272,
...View moreitem #1001PRW7
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Walker ProductsPart # 924-6005
Walker Products 924-6005 Spark Plug Wire Set
4.73 Reviews
$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD, 2007-2007 GMC Sierra 3500 Classic, 2007-2007 GMC Sierra 3500 HD, 2006-2006 Chevrolet Silverado 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2005 Chevrolet Silverado 2500, 2004-2008 Chevrolet W3500 Tiltmaster, 2004-2008 GMC W3500 Forward, 2003-2010 GMC W4500 Forward, 2003-2008 Chevrolet W4500 Tiltmaster, 2003-2007 Hummer H2, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Sonora, 2003-2006 Chevrolet Suburban 1500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6005
item #1001PSK9
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Walker ProductsPart # 924-6006
Walker Products 924-6006 Spark Plug Wire Set
4.73 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD, 2007-2007 GMC Sierra 3500 Classic, 2007-2007 GMC Sierra 3500 HD, 2006-2006 Chevrolet Silverado 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2005 Chevrolet Silverado 2500, 2004-2008 Chevrolet W3500 Tiltmaster, 2004-2008 GMC W3500 Forward, 2003-2010 GMC W4500 Forward, 2003-2008 Chevrolet W4500 Tiltmaster, 2003-2007 Hummer H2, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Sonora, 2003-2006 Chevrolet Suburban 1500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6006
item #1001PR70
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Walker ProductsPart # 924-1393
Walker Products 924-1393 Spark Plug Wire Set
4.73 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1996 AM General Hummer, 1992-1993 Chevrolet Blazer, 1992-1993 Chevrolet C1500 Suburban, 1992-1993 Chevrolet C2500 Suburban, 1992-1993 Chevrolet K1500 Suburban, 1992-1993 Chevrolet K2500 Suburban, 1992-1993 GMC C1500 Suburban, 1992-1993 GMC C2500 Suburban, 1992-1993 GMC K1500 Suburban, 1992-1993 GMC K2500 Suburban, 1992-1993 GMC Yukon, 1990-1990 GMC C5000, 1990-1990 GMC C6000, 1989-1991 Chevrolet R1500 Suburban, 1989-1991 Chevrolet R2500 Suburban, 1989-1991 Chevrolet R3500, 1989-1991 Chevrolet V1500 Suburban, 1989-1991 Chevrolet V2500 Suburban, 1989-1991 Chevrolet V3500, 1988-1993 Chevrolet C1500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1393, 35-8109, 2912, 9050, EL-157, 9049, 26889, 48427,
...View moreitem #1001PNYH
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Walker ProductsPart # 924-1515
Walker Products 924-1515 Spark Plug Wire Set
4.73 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Chevrolet Blazer, 1995-1995 Chevrolet S10, 1995-1995 GMC Jimmy, 1995-1995 GMC Sonoma, 1992-1996 Chevrolet G30, 1992-1995 Chevrolet Astro, 1992-1995 Chevrolet C1500, 1992-1995 Chevrolet C2500, 1992-1995 Chevrolet G10, 1992-1995 Chevrolet G20, 1992-1995 Chevrolet K1500, 1992-1995 Chevrolet K2500, 1992-1995 Chevrolet P30, 1992-1995 GMC C1500, 1992-1995 GMC G1500, 1992-1995 GMC G2500, 1992-1995 GMC G3500, 1992-1995 GMC K1500, 1992-1995 GMC Safari, 1992-1994 Chevrolet S10
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1515, 35-6115, 35-6116, 2917, 3125, 9023, 9514, 215,
...View moreitem #1001PPNU
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Walker ProductsPart # 924-1791
Walker Products 924-1791 Spark Plug Wire Set
4.73 Reviews
$68.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1974-1974 Chevrolet Bel Air, 1974-1974 Chevrolet Bel Air, 1974-1974 Chevrolet Camaro, 1974-1974 Chevrolet Caprice, 1974-1974 Chevrolet El Camino, 1974-1974 Chevrolet El Camino, 1974-1974 Chevrolet Impala, 1974-1974 Chevrolet Impala, 1974-1974 Chevrolet Laguna, 1974-1974 Chevrolet Laguna, 1974-1974 Chevrolet Malibu, 1974-1974 Chevrolet Malibu, 1974-1974 Chevrolet Monte Carlo, 1974-1974 Chevrolet Monte Carlo, 1973-1974 Chevrolet Caprice, 1973-1974 Chevrolet Nova, 1973-1973 Chevrolet Bel Air, 1973-1973 Chevrolet Caprice, 1973-1973 Chevrolet Chevelle, 1973-1973 Chevrolet Impala
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1791, 35-8330, 2823, 9124, 9174, EL-132, 9176, 27842,
...View moreitem #1001PS67
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Walker ProductsPart # 924-1432
Walker Products 924-1432 Spark Plug Wire Set
4.73 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1990-1993 Chevrolet C1500, 1989-1989 Chevrolet R2500, 1989-1989 Chevrolet R2500 Suburban, 1989-1989 Chevrolet R3500, 1988-1989 Chevrolet C3500, 1988-1989 Chevrolet K3500, 1988-1989 GMC C3500, 1988-1989 GMC K3500, 1987-1988 Chevrolet R20, 1987-1988 Chevrolet R20 Suburban, 1987-1988 Chevrolet R30, 1987-1988 Chevrolet V20 Suburban, 1987-1988 Chevrolet V30
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1432, 35-8136, 4082, 6891, 9682, 2912, 9048, 9423,
...View moreitem #1001PPSA
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Walker ProductsPart # 924-1513
Walker Products 924-1513 Spark Plug Wire Set
4.73 Reviews
$47.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1976-1976 Chevrolet K10, 1976-1976 Chevrolet K20, 1976-1976 Chevrolet P20, 1976-1976 GMC K15, 1976-1976 GMC K25, 1976-1976 GMC K25 Suburban, 1975-1976 Chevrolet C10, 1975-1976 Chevrolet C10 Suburban, 1975-1976 Chevrolet C20, 1975-1976 Chevrolet C20 Suburban, 1975-1976 Chevrolet C30, 1975-1976 Chevrolet Caprice, 1975-1976 Chevrolet Impala, 1975-1976 Chevrolet P30, 1975-1976 GMC C15, 1975-1976 GMC C15 Suburban, 1975-1976 GMC C25, 1975-1976 GMC C25 Suburban, 1975-1976 GMC C35, 1975-1976 GMC P35
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1513, 35-8141, 2931, 9045, 26821, 4332, 4066, 889,
...View moreitem #1001PQGE
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Walker ProductsPart # 924-6012B
Walker Products 924-6012B Spark Plug Wire Set
4.73 Reviews
$126.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD, 2007-2007 GMC Sierra 3500 Classic, 2007-2007 GMC Sierra 3500 HD, 2006-2006 Chevrolet Silverado 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2005 Chevrolet Silverado 2500, 2004-2008 Chevrolet W3500 Tiltmaster, 2004-2008 GMC W3500 Forward, 2003-2010 GMC W4500 Forward, 2003-2008 Chevrolet W4500 Tiltmaster, 2003-2007 Hummer H2, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Sonora, 2003-2006 Chevrolet Suburban 1500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6012B
item #1001PQWU
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Walker ProductsPart # 924-1394
Walker Products 924-1394 Spark Plug Wire Set
4.73 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1977-1979 Checker Marathon, 1977-1977 Buick Century, 1977-1977 Buick Century, 1977-1977 Buick Regal, 1977-1977 Buick Regal, 1977-1977 Buick Skylark, 1977-1977 Chevrolet C10, 1977-1977 Chevrolet C10 Suburban, 1977-1977 Chevrolet C20, 1977-1977 Chevrolet C20 Suburban, 1977-1977 Chevrolet G10, 1977-1977 Chevrolet K10, 1977-1977 Chevrolet K10 Suburban, 1977-1977 Chevrolet K20, 1977-1977 Chevrolet K20 Suburban, 1977-1977 Chevrolet K30, 1977-1977 Chevrolet K30, 1977-1977 Chevrolet K5 Blazer, 1977-1977 Chevrolet Malibu, 1977-1977 Chevrolet Monte Carlo
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1394, 35-8105, 2927, 3103, 9062, 9065, 132, 136,
...View moreitem #1001PRH9
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Walker ProductsPart # 924-6012
Walker Products 924-6012 Spark Plug Wire Set
4.73 Reviews
$126.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007-2007 Chevrolet Silverado 1500, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD, 2007-2007 GMC Sierra 3500 Classic, 2007-2007 GMC Sierra 3500 HD, 2006-2006 Chevrolet Silverado 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2005 Chevrolet Silverado 2500, 2004-2008 Chevrolet W3500 Tiltmaster, 2004-2008 GMC W3500 Forward, 2003-2010 GMC W4500 Forward, 2003-2008 Chevrolet W4500 Tiltmaster, 2003-2007 Hummer H2, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Sonora, 2003-2006 Chevrolet Suburban 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6012
item #1001PPN4
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Walker ProductsPart # 924-1353
Walker Products 924-1353 Spark Plug Wire Set
4.73 Reviews
$38.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1989-1989 GMC P2500, 1987-1988 Chevrolet R20, 1987-1988 Chevrolet R30, 1987-1988 Chevrolet V30, 1987-1988 GMC R2500, 1987-1988 GMC R3500, 1987-1988 GMC V3500, 1987-1987 Chevrolet V20, 1987-1987 GMC V2500, 1984-1984 GMC C2500 Suburban, 1984-1984 GMC K2500 Suburban, 1982-1984 GMC G3500, 1981-1984 Chevrolet G30, 1980-1986 Chevrolet C20, 1980-1986 GMC C2500, 1980-1985 Chevrolet C50, 1980-1985 Chevrolet C60, 1980-1985 GMC C5000, 1980-1985 GMC C6000, 1980-1980 Chevrolet C30
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1353, 35-6118, 2915, 2935, 9030, 9042, 26637, L-4113,
...View moreitem #1001PP4T
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Walker ProductsPart # 924-1431
Walker Products 924-1431 Spark Plug Wire Set
4.73 Reviews
$53.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1997-1998 Chevrolet T6500, 1997-1998 Chevrolet T7500, 1997-1998 GMC C6500 Topkick, 1997-1998 GMC C6500 Topkick, 1997-1998 GMC C7500 Topkick, 1997-1998 GMC C7500 Topkick, 1997-1998 GMC T6500, 1997-1998 GMC T7500, 1995-1996 GMC C6000 Topkick, 1995-1996 GMC C7000 Topkick, 1991-1996 GMC C7000 Topkick, 1991-1991 GMC C5000 Topkick, 1990-1996 GMC C6000 Topkick, 1990-1994 Chevrolet C60 Kodiak, 1990-1994 Chevrolet C60 Kodiak, 1990-1994 Chevrolet C70 Kodiak, 1990-1994 Chevrolet C70 Kodiak
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1431, 35-8161, 35-8336, 9611, 2912, 9466, CH8835, 257,
...View moreitem #1001PSS1
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Walker ProductsPart # 924-1430
Walker Products 924-1430 Spark Plug Wire Set
4.73 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1992-1993 Chevrolet C2500 Suburban, 1992-1993 Chevrolet K2500 Suburban, 1992-1993 GMC C2500 Suburban, 1992-1993 GMC C3500HD, 1992-1993 GMC K2500 Suburban, 1991-1993 Chevrolet C2500, 1991-1993 Chevrolet K2500, 1991-1993 GMC C2500, 1991-1993 GMC K2500, 1990-1993 Chevrolet C3500, 1990-1993 Chevrolet G30, 1990-1993 Chevrolet K3500, 1990-1993 Chevrolet P30, 1990-1993 GMC C3500, 1990-1993 GMC G3500, 1990-1993 GMC K3500, 1990-1993 GMC P3500, 1990-1991 Chevrolet R2500 Suburban, 1990-1991 Chevrolet R3500, 1990-1991 Chevrolet V3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1430, 35-8112, 2911, 9049, 9051, 9048, 26893, 26909,
...View moreitem #1001PT52
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Walker ProductsPart # 924-1528
Walker Products 924-1528 Spark Plug Wire Set
4.73 Reviews
$46.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1986-1986 Chevrolet K10, 1986-1986 Chevrolet K10 Suburban, 1986-1986 Chevrolet K10 Suburban, 1986-1986 Chevrolet K20, 1986-1986 Chevrolet K20 Suburban, 1986-1986 GMC C1500, 1986-1986 GMC K2500, 1986-1986 GMC K2500 Suburban, 1986-1986 GMC K3500, 1985-1986 Chevrolet C10, 1985-1986 Chevrolet C10 Suburban, 1985-1986 Chevrolet C10 Suburban, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C30, 1985-1986 Chevrolet K10, 1985-1986 Chevrolet K20 Suburban, 1985-1986 Chevrolet K30
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1528, 35-8126, 35-8129, 4882, 4883, 9694, 6875, 2930,
...View moreitem #1001PTP7
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Walker ProductsPart # 924-2026
Walker Products 924-2026 Spark Plug Wire Set
4.73 Reviews
$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2001 Chevrolet Silverado 1500, 1999-2001 GMC Sierra 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-2026, 35-6156, 3154, 9593, 9709, 8HY-3154, 27694, 35-77691,
...View moreitem #1001PRP4
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What Spark Plug Wires Do
Spark plug wires carry high voltage from the ignition coil or distributor to the spark plugs on engines equipped with separate ignition leads. Their insulated cables and boots help keep that voltage on its intended path to the plugs.
A-Premium offers wire sets for selected engines with different wire counts, lengths and connections. Match the exact application and ignition layout, then check the terminal ends and boot angles; wire diameter alone does not establish fit.
Inspecting And Replacing Ignition Wires
Heat damage, cuts or loose connections can interfere with spark delivery and contribute to misfires or rough running. Inspect the wires, boots, spark plugs and ignition components before deciding what needs replacement; similar symptoms can have other causes.
Keep each lead connected to the correct terminal and route it away from hot or moving components using the specified supports. Wire manufacturers recommend replacing leads one at a time and pulling on the boot rather than the cable. On distributor-equipped systems, also inspect the cap and distributor rotor as separate components.
Frequently Asked Questions (FAQ)
Does the number of wires always equal the number of cylinders?
The contents depend on the ignition layout: some distributor systems also use a separate coil wire. Check the selected set's listed contents and the vehicle application instead of choosing by cylinder count alone.
Why do wire length and boot angle matter?
The lead must reach the correct connection without stretching and follow a safe route around the engine. Boot shape and angle affect how it seats at the plug or coil and help it clear nearby parts.
Are spark plug wires used on every ignition system?
Some engines use individual coils mounted directly on the spark plugs with insulated coil boots instead of conventional long plug leads. Identify the installed ignition design before choosing wires or boots.
Does a thicker spark plug wire automatically improve ignition performance?
Wire diameter alone does not describe its resistance, terminals or compatibility. Choose the wire construction and specifications appropriate to the ignition system rather than assuming a larger diameter provides an upgrade.
What can damage a spark plug wire before it wears out?
A wire can be burned by nearby exhaust heat, cut by a sharp edge or damaged when the cable is pulled instead of its boot. Correct routing and secure supports help keep the replacement away from these hazards.