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
228 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 # 924-6011
Walker Products 924-6011 Spark Plug Wire Set
4.73 Reviews
$123.99
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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
924-6011
item #1001PRK9
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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 # 924-1393
Walker Products 924-1393 Spark Plug Wire Set
4.73 Reviews
$52.99
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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
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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 # 924-6005
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
Add Trim and Engine info to ensure a guaranteed fit
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 # 924-1791
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
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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
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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
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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
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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
924-6012B
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
Add Trim and Engine info to ensure a guaranteed fit
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 # 924-1431
Walker Products 924-1431 Spark Plug Wire Set
4.73 Reviews
$53.99
Low stock: Only 3 left
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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
Add Trim and Engine info to ensure a guaranteed fit
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 # 924-1353
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 # 924-2026
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
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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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Walker ProductsPart # 924-1799
Walker Products 924-1799 Spark Plug Wire Set
4.73 Reviews
$41.99
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
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1799, 35-6153, 3125, 9495, EL-3125, 27661, 35-77695, 4638,
...View moreitem #1001PRSG
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Walker ProductsPart # 924-1659
Walker Products 924-1659 Spark Plug Wire Set
4.73 Reviews
$55.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005-2005 Chevrolet Express 3500, 2004-2004 Buick Rainier, 2004-2004 GMC Envoy XUV, 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, 2003-2005 GMC Savana 1500, 2003-2005 GMC Savana 2500, 2003-2005 GMC Savana 2500, 2003-2005 GMC Savana 2500, 2003-2005 GMC Savana 3500, 2003-2004 Chevrolet SSR, 2003-2004 Chevrolet Trailblazer EXT, 2003-2004 GMC Envoy XL, 2003-2004 Isuzu Ascender
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1659, 35-8337, 3162, 48322, 35-77869, 35-77872, 4714, 9018,
...View moreitem #1001PTDT
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Walker ProductsPart # 924-1435
Walker Products 924-1435 Spark Plug Wire Set
4.73 Reviews
$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1994-1997 Chevrolet P30, 1994-1997 GMC P3500, 1994-1996 Chevrolet G30, 1994-1996 GMC G3500, 1994-1995 Chevrolet C2500, 1994-1995 Chevrolet C2500 Suburban, 1994-1995 Chevrolet C3500, 1994-1995 Chevrolet K2500, 1994-1995 Chevrolet K2500 Suburban, 1994-1995 Chevrolet K3500, 1994-1995 GMC C2500, 1994-1995 GMC C2500 Suburban, 1994-1995 GMC C3500, 1994-1995 GMC C3500HD, 1994-1995 GMC K2500, 1994-1995 GMC K2500 Suburban, 1994-1995 GMC K3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1435, 35-8119, 35-9102, 3116, 9423, 27852, 35-77823, 4955,
...View moreitem #1001PSY6
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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!