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 Impala Spark Plug Wire
88 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 # 924-1553
Walker Products 924-1553 Spark Plug Wire Set
4.73 Reviews
$62.99
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3-year warranty
90 days free return
Fits 2015-2015 Chevrolet Camaro, 2013-2014 Chevrolet Express 2500, 2013-2014 Chevrolet Express 3500, 2013-2013 Chevrolet Suburban 2500, 2012-2015 Chevrolet Caprice, 2012-2014 Chevrolet Suburban 1500, 2012-2012 Chevrolet Suburban 2500, 2011-2015 Ford F-250 Super Duty, 2011-2015 Ford F-350, 2011-2015 Ford F-350 Super Duty, 2011-2013 Chevrolet Silverado 3500, 2011-2013 GMC Yukon XL 2500, 2011-2013 Ram 1500, 2011-2011 Chevrolet Caprice, 2011-2011 Chevrolet Suburban 1500, 2011-2011 Ram Dakota, 2010-2015 Chevrolet Camaro, 2010-2014 Chevrolet Express Cargo, 2010-2014 Chevrolet Express Pasajeros, 2010-2014 Ford F-150
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1553
item #1001PSN3
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DensoPart # 671-6258
Denso 671-6258 Spark Plug Wire
51 Reviews
$94.99
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3-year warranty
90 days free return
Fits 2010-2010 Chevrolet Impala, 2009-2010 Buick Lucerne, 2008-2009 Saturn Vue, 2008-2008 Chevrolet Malibu, 2008-2008 Chevrolet Malibu, 2007-2010 Pontiac G6, 2007-2008 Chevrolet Uplander, 2007-2008 Pontiac Montana, 2007-2008 Saturn Aura, 2007-2007 Buick Terraza, 2007-2007 Chevrolet Malibu, 2007-2007 Chevrolet Malibu, 2007-2007 Chevrolet Malibu, 2007-2007 Chevrolet Malibu, 2007-2007 Chevrolet Malibu, 2007-2007 Chevrolet Malibu, 2007-2007 Saturn Relay, 2006-2009 Chevrolet Impala, 2006-2009 Chevrolet Impala, 2006-2009 Chevrolet Impala
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6258, 116080, 35-6345, 6716258, 700624, 746SS, 7730
item #1003186W
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Walker ProductsPart # 924-6002
Walker Products 924-6002 Spark Plug Wire Set
4.73 Reviews
$50.99
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3-year warranty
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Fits 2022-2022 Cadillac CT5, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 GMC Sierra 1500 Limited, 2022-2022 GMC Sierra 1500 Limited, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2021-2022 Chevrolet Express 2500, 2021-2022 Chevrolet Express 3500, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Tahoe, 2021-2022 Chevrolet Tahoe, 2021-2022 GMC Savana 2500, 2021-2022 GMC Savana 3500, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon XL, 2021-2022 GMC Yukon XL, 2020-2022 Chevrolet Silverado 2500 HD
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6002
item #1001PQ5C
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Walker ProductsPart # 924-1508
Walker Products 924-1508 Spark Plug Wire Set
4.73 Reviews
$51.99
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Fits 1974-1974 Oldsmobile Toronado, 1974-1974 Pontiac Bonneville, 1974-1974 Pontiac Bonneville, 1974-1974 Pontiac Catalina, 1974-1974 Pontiac Grand Am, 1974-1974 Pontiac Grand Am, 1974-1974 Pontiac Grandville, 1974-1974 Pontiac LeMans, 1974-1974 Pontiac LeMans, 1973-1974 Pontiac Firebird, 1973-1974 Pontiac Firebird, 1973-1974 Pontiac Firebird, 1973-1974 Pontiac Grand Prix, 1973-1974 Pontiac Grand Safari, 1973-1974 Pontiac LeMans, 1973-1974 Pontiac Ventura, 1973-1973 Oldsmobile Cutlass Supreme, 1973-1973 Oldsmobile Delta 88, 1973-1973 Oldsmobile Omega, 1973-1973 Pontiac Bonneville
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1508, 35-8328, 2835, 9143, 9176, 27815, L-4280, L-4281,
...View moreitem #1001PQDN
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Walker ProductsPart # 924-1829A
Walker Products 924-1829A Spark Plug Wire Set
4.73 Reviews
$48.99
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Fits 2022-2022 Cadillac CT5, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 GMC Sierra 1500 Limited, 2022-2022 GMC Sierra 1500 Limited, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2021-2022 Chevrolet Express 2500, 2021-2022 Chevrolet Express 3500, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Tahoe, 2021-2022 Chevrolet Tahoe, 2021-2022 GMC Savana 2500, 2021-2022 GMC Savana 3500, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon XL, 2021-2022 GMC Yukon XL, 2020-2022 Chevrolet Silverado 2500 HD
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1829A, 35-8158, 35-8157, 3147, 9646, 8HY-3147, 9835, OES835,
...View moreitem #1001PS4S
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Walker ProductsPart # 924-6008
Walker Products 924-6008 Spark Plug Wire Set
4.73 Reviews
$122.99
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Fits 2022-2022 Cadillac CT5, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 GMC Sierra 1500 Limited, 2022-2022 GMC Sierra 1500 Limited, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2021-2022 Chevrolet Express 2500, 2021-2022 Chevrolet Express 3500, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Tahoe, 2021-2022 Chevrolet Tahoe, 2021-2022 GMC Savana 2500, 2021-2022 GMC Savana 3500, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon XL, 2021-2022 GMC Yukon XL, 2020-2022 Chevrolet Silverado 2500 HD
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6008
item #1001PPXT
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Walker ProductsPart # 924-1803
Walker Products 924-1803 Spark Plug Wire Set
4.73 Reviews
$44.99
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Fits 2004-2005 Buick Rendezvous, 2002-2003 Buick Rendezvous, 2000-2005 Buick Century, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2005 Chevrolet Venture, 2000-2003 Chevrolet Malibu, 2000-2003 Pontiac Grand Prix, 2000-2001 Chevrolet Lumina
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1803, 35-6143, 3155, 9594, HY3155, SHY-3155, 27695, L-4223,
...View moreitem #1001PTVR
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Walker ProductsPart # 924-1597
Walker Products 924-1597 Spark Plug Wire Set
4.73 Reviews
$47.99
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3-year warranty
90 days free return
Fits 1975-1975 Chevrolet G10, 1975-1975 Chevrolet G20, 1975-1975 Chevrolet G30, 1975-1975 GMC G15, 1975-1975 GMC G25, 1975-1975 GMC G25, 1975-1975 GMC G35, 1975-1975 GMC G35, 1974-1974 Chevrolet Corvette, 1974-1974 Chevrolet G10 Van, 1974-1974 Chevrolet G20 Van, 1974-1974 Chevrolet G30 Van, 1974-1974 GMC G15/G1500 Van, 1974-1974 GMC G25/G2500 Van, 1974-1974 GMC G35/G3500 Van, 1973-1973 GMC Jimmy, 1972-1972 Pontiac Ventura, 1971-1973 Pontiac Ventura, 1971-1972 Chevrolet Kingswood, 1970-1972 Chevrolet El Camino
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1597, 35-8139, 35-8140, 2833, 9151, 9175, 136CON, 136ELE,
...View moreitem #1001PU4T
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Walker ProductsPart # 924-1364
Walker Products 924-1364 Spark Plug Wire Set
4.73 Reviews
$47.99
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3-year warranty
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Fits 2008-2009 Buick Allure, 2008-2008 Buick Allure, 2007-2008 Buick Lucerne, 2005-2009 Buick LaCrosse, 2005-2008 Pontiac Grand Prix, 2005-2007 Buick Allure, 2004-2004 Pontiac Grand Prix, 2001-2004 Buick Regal, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2000 Buick Regal, 2000-2000 Buick Regal, 1998-1999 Chevrolet Lumina, 1997-2003 Pontiac Grand Prix
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1364, 35-6146, 35-6325, 3144, 9516, 9603, SHY-3144, 27696,
...View moreitem #1001PSVH
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Walker ProductsPart # 924-1394
Walker Products 924-1394 Spark Plug Wire Set
4.73 Reviews
$49.99
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3-year warranty
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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: Chevrolet Impala
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 # 924-1791
Walker Products 924-1791 Spark Plug Wire Set
4.73 Reviews
$68.99
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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: Chevrolet Impala
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 # 924-1395
Walker Products 924-1395 Spark Plug Wire Set
4.73 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1986-1986 GMC C3500, 1985-1986 Chevrolet Caprice, 1983-1986 GMC C2500, 1983-1986 GMC C2500 Suburban, 1983-1986 GMC Jimmy, 1983-1986 GMC Jimmy, 1983-1986 Pontiac Bonneville, 1983-1986 Pontiac Grand Prix, 1983-1986 Pontiac Parisienne, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C30, 1983-1984 Chevrolet K10, 1983-1984 Chevrolet K10
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1395, 35-8103, 35-8156, 2946, 9052, 9054, 26908, 35-87832,
...View moreitem #1001PPHU
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Walker ProductsPart # 924-6003
Walker Products 924-6003 Spark Plug Wire Set
4.73 Reviews
$56.99
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3-year warranty
90 days free return
Fits 2022-2022 Cadillac CT5, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 Chevrolet Silverado 1500 LTD, 2022-2022 GMC Sierra 1500 Limited, 2022-2022 GMC Sierra 1500 Limited, 2021-2022 Cadillac Escalade, 2021-2022 Cadillac Escalade ESV, 2021-2022 Chevrolet Express 2500, 2021-2022 Chevrolet Express 3500, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Suburban, 2021-2022 Chevrolet Tahoe, 2021-2022 Chevrolet Tahoe, 2021-2022 GMC Savana 2500, 2021-2022 GMC Savana 3500, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon, 2021-2022 GMC Yukon XL, 2021-2022 GMC Yukon XL, 2020-2022 Chevrolet Silverado 2500 HD
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-6003
item #1001PQ5Z
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DensoPart # 671-8016
Spark Plug Wire Set - Denso 671-8016
51 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1988 Chevrolet R30, 1987-1988 Chevrolet V30, 1987-1988 GMC R3500, 1987-1988 GMC V3500, 1985-1986 Chevrolet C10, 1985-1986 Chevrolet C10 Suburban, 1985-1986 Chevrolet C20, 1985-1986 Chevrolet C20 Suburban, 1985-1986 Chevrolet C30, 1985-1986 Chevrolet K10, 1985-1986 Chevrolet K10 Suburban, 1985-1986 Chevrolet K20, 1985-1986 Chevrolet K20 Suburban, 1985-1986 Chevrolet K30, 1985-1986 GMC C1500, 1985-1986 GMC C1500 Suburban, 1985-1986 GMC C2500, 1985-1986 GMC C2500 Suburban, 1985-1986 GMC C3500, 1985-1986 GMC K2500
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8016, 35-8113, MSW1273, 6718016, 628M, 11-824M, 2X1110, QW823,
...View moreitem #100313Q8
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Walker ProductsPart # 924-1354
Walker Products 924-1354 Spark Plug Wire Set
4.73 Reviews
$44.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1983-1984 Chevrolet El Camino, 1982-1984 Chevrolet Monte Carlo, 1981-1982 Chevrolet El Camino, 1981-1981 Chevrolet Monte Carlo, 1981-1981 Pontiac Grand LeMans, 1981-1981 Pontiac Grand LeMans, 1981-1981 Pontiac Grand LeMans, 1981-1981 Pontiac LeMans, 1981-1981 Pontiac LeMans, 1980-1984 Chevrolet Caprice, 1980-1984 Chevrolet Impala, 1980-1984 GMC Caballero, 1980-1983 Chevrolet Malibu, 1980-1982 Checker Marathon, 1980-1982 Chevrolet El Camino, 1980-1981 Chevrolet Camaro, 1980-1981 Chevrolet El Camino, 1980-1981 Chevrolet Monte Carlo, 1980-1980 Chevrolet Monte Carlo, 1980-1980 Pontiac Catalina
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1354, 35-6121, 2945, 9035, 8250, 26641, 35-87606, 4025,
...View moreitem #1001PU4X
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Walker ProductsPart # 924-1355
Walker Products 924-1355 Spark Plug Wire Set
4.73 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1985-1985 Chevrolet Caprice, 1985-1985 Chevrolet El Camino, 1985-1985 Chevrolet Impala, 1985-1985 Chevrolet Monte Carlo, 1985-1985 GMC Caballero, 1985-1985 Pontiac Parisienne
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1355, 35-6109, 3107, 9025, 27609, 35-77618, 4035, 764,
...View moreitem #1001PT20
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Walker ProductsPart # 924-1658
Walker Products 924-1658 Spark Plug Wire Set
4.73 Reviews
$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1975-1975 International 150, 1975-1975 International 200, 1975-1975 International MS, 1975-1975 International Scout II, 1974-1974 Chevrolet Corvette, 1974-1974 Chevrolet El Camino, 1974-1974 Chevrolet Impala, 1974-1974 Chevrolet Monte Carlo, 1974-1974 GMC Sprint, 1974-1974 International 100, 1974-1974 International 100, 1974-1974 International 100, 1974-1974 International 200, 1974-1974 International 200, 1974-1974 International 200, 1974-1974 International 200, 1974-1974 International MHC1310, 1973-1974 American Motors Javelin, 1973-1974 American Motors Javelin, 1973-1974 Chevrolet Bel Air
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1658, 35-8101, 35-8331, 35-8315, 2821, 9142, 102, 3129,
...View moreitem #1001PNX2
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DensoPart # 671-8046
Spark Plug Wire Set - Denso 671-8046
51 Reviews
$93.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1996 Cadillac Commercial Chassis, 1994-1996 Buick Commercial Chassis, 1994-1996 Buick Roadmaster, 1994-1996 Cadillac Fleetwood, 1994-1996 Chevrolet Caprice, 1994-1996 Chevrolet Impala, 1993-1993 Chevrolet Camaro, 1993-1993 Pontiac Firebird
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Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8046, 35-8143, MSW1785, MSW1772, 6718046, 718F, 718B, 748B,
...View moreitem #100314X4
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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: Chevrolet Impala
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 # 924-1334
Walker Products 924-1334 Spark Plug Wire Set
4.73 Reviews
$42.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1987 Buick Regal, 1986-1987 Buick Regal, 1986-1986 Buick Regal, 1986-1986 Oldsmobile Delta 88, 1983-1985 Buick Century, 1982-1984 Buick Regal, 1982-1982 Chevrolet Celebrity, 1982-1982 Oldsmobile Cutlass Ciera, 1982-1982 Pontiac Grand LeMans, 1981-1984 Buick Riviera, 1981-1982 Cadillac Eldorado, 1981-1982 Cadillac Seville, 1981-1981 Pontiac LeMans, 1981-1981 Pontiac LeMans, 1981-1981 Pontiac LeMans, 1980-1987 Chevrolet Monte Carlo, 1980-1985 Buick LeSabre, 1980-1985 Chevrolet Caprice, 1980-1985 Chevrolet Impala, 1980-1984 Buick Electra
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Impala
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1334, 35-6119, 35-6122, 2930, 9372, 9027, 9371, 26629,
...View moreitem #1001PR4Y
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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.