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 # 924-1435
Walker Products 924-1435 Spark Plug Wire Set
4.73 Reviews
$50.99
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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
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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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Walker ProductsPart # 924-2026
Walker Products 924-2026 Spark Plug Wire Set
4.73 Reviews
$50.99
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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
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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
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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 # 924-1229
Walker Products 924-1229 Spark Plug Wire Set
4.73 Reviews
$43.99
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3-year warranty
90 days free return
Fits 1990-1992 Chevrolet Lumina, 1990-1990 Oldsmobile Cutlass Cruiser, 1987-1992 Buick Century, 1987-1990 Chevrolet Celebrity, 1987-1987 GMC Safari
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1229, 35-4102, 2918, 9496, 3157, 9014, 27432, L-4208,
...View moreitem #1001PQH3
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Walker ProductsPart # 924-1415
Walker Products 924-1415 Spark Plug Wire Set
4.73 Reviews
$50.99
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3-year warranty
90 days free return
Fits 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 B60, 1985-1985 Chevrolet K20 Suburban, 1983-1985 Chevrolet B60, 1983-1985 Chevrolet C60, 1983-1985 Chevrolet C70, 1983-1985 Chevrolet C70, 1983-1985 GMC C6000, 1983-1985 GMC C7000, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20 Suburban
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1415, 35-8107, 35-9103, 2943, 9061, 9467, 26865, 4101,
...View moreitem #1001PNXZ
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Walker ProductsPart # 924-1230
Walker Products 924-1230 Spark Plug Wire Set
4.73 Reviews
$37.99
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3-year warranty
90 days free return
Fits 1988-1990 GMC S15, 1988-1988 GMC S15 Jimmy, 1983-1983 Jeep CJ7, 1983-1983 Jeep Scrambler, 1982-1983 American Motors Eagle, 1982-1983 Buick Century, 1982-1983 Chevrolet Camaro, 1982-1983 Chevrolet Celebrity, 1982-1983 Jeep CJ5, 1982-1983 Jeep DJ5, 1982-1983 Oldsmobile Cutlass Ciera, 1982-1983 Pontiac 6000, 1982-1983 Pontiac Firebird, 1982-1982 American Motors Concord, 1982-1982 American Motors Spirit, 1982-1982 Jeep CJ7, 1982-1982 Jeep Scrambler, 1981-1983 Buick Skylark, 1981-1983 Chevrolet Citation, 1981-1983 Oldsmobile Omega
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1230, 35-4109, 2950, 9008, 9017, 207, 26421, L-4207,
...View moreitem #1001PU26
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Walker ProductsPart # 924-1226
Walker Products 924-1226 Spark Plug Wire Set
4.73 Reviews
$37.99
Low stock: Only 4 left
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3-year warranty
90 days free return
Fits 1991-1991 Pontiac Sunbird, 1989-1990 Pontiac LeMans, 1988-1990 Pontiac Optima, 1987-1990 Pontiac Sunbird, 1987-1989 Pontiac Grand Am, 1987-1988 Buick Skyhawk, 1987-1988 Oldsmobile Firenza, 1987-1988 Oldsmobile Firenza, 1987-1988 Oldsmobile Firenza, 1987-1987 Oldsmobile Firenza, 1987-1987 Oldsmobile Firenza, 1987-1987 Oldsmobile Firenza, 1986-1986 Pontiac Sunbird, 1985-1986 Cadillac Cimarron, 1985-1986 Chevrolet Cavalier, 1984-1985 Pontiac J2000 Sunbird, 1983-1986 Buick Skyhawk, 1983-1986 Oldsmobile Firenza, 1983-1984 Cadillac Cimarron, 1983-1984 Chevrolet S10
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1226, 35-4118, 35-4101, 2903, 9011, 9481, 9015, 27426,
...View moreitem #1001PP4V
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Walker ProductsPart # 924-1334
Walker Products 924-1334 Spark Plug Wire Set
4.73 Reviews
$42.99
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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
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Vehicle: GMC
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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Walker ProductsPart # 924-1664
Walker Products 924-1664 Spark Plug Wire Set
4.73 Reviews
$37.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1968-1969 GMC C15/C1500 Suburban, 1968-1969 GMC C25/C2500 Suburban, 1968-1969 GMC K25/K2500 Suburban, 1968-1969 GMC K35/K3500 Pickup, 1968-1968 GMC C25/C2500 Suburban, 1968-1968 GMC C35/C3500 Pickup, 1967-1969 GMC C15/C1500 Pickup, 1967-1969 GMC C25/C2500 Pickup, 1967-1969 GMC C35/C3500 Pickup, 1967-1969 GMC K15/K1500 Suburban, 1967-1969 GMC K25/K2500 Pickup, 1966-1969 GMC K15/K1500 Pickup, 1965-1965 GMC PB1500 Series, 1965-1965 GMC PB2500 Series, 1963-1965 GMC 1000 Series, 1963-1965 GMC 1500 Series, 1963-1965 GMC 2500 Series, 1960-1966 GMC Suburban, 1960-1962 GMC V3000 Forward Control
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1664, 35-6320, 4456, 4341, 7610, 9128, 9309, 9624,
...View moreitem #1001PSR4
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Walker ProductsPart # 924-1428
Walker Products 924-1428 Spark Plug Wire Set
4.73 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1989-1989 Chevrolet V3500, 1988-1989 Chevrolet G30, 1988-1989 GMC G3500, 1987-1989 GMC R2500, 1987-1989 GMC R2500 Suburban, 1987-1989 GMC R3500, 1987-1989 GMC V3500
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1428, 35-8110, 2911, 3129, 9056, 26891, 35-87820, 4086,
...View moreitem #1001PS2A
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Walker ProductsPart # 924-1510
Walker Products 924-1510 Spark Plug Wire Set
4.73 Reviews
$64.99
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3-year warranty
90 days free return
Fits 1974-1974 GMC Sprint, 1974-1974 GMC Sprint, 1973-1974 Chevrolet Blazer, 1973-1974 Chevrolet C10 Pickup, 1973-1974 Chevrolet C10 Suburban, 1973-1974 Chevrolet C20 Pickup, 1973-1974 Chevrolet C20 Suburban, 1973-1974 Chevrolet C30 Pickup, 1973-1974 Chevrolet K10 Pickup, 1973-1974 Chevrolet K10 Suburban, 1973-1974 Chevrolet K20 Pickup, 1973-1974 Chevrolet K20 Suburban, 1973-1974 Chevrolet K30 Pickup, 1973-1974 GMC Jimmy, 1973-1974 GMC P25/P2500 Van, 1973-1974 GMC P35/P3500 Van, 1973-1973 Chevrolet Blazer, 1973-1973 Chevrolet C10 Pickup, 1973-1973 Chevrolet C10 Suburban, 1973-1973 Chevrolet C30 Pickup
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1510, L-4320, 7819, 9655, 9659, 2927, 9175, 700134,
...View moreitem #1001PSNS
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Walker ProductsPart # 924-1103
Walker Products 924-1103 Spark Plug Wire Set
4.73 Reviews
$42.99
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3-year warranty
90 days free return
Fits 1995-1995 Geo Tracker, 1995-1995 Suzuki Swift, 1994-1996 Pontiac Firefly, 1993-1993 Suzuki Swift, 1992-1997 Geo Metro, 1992-1994 Suzuki Swift, 1992-1992 Chevrolet Metro, 1989-1990 Chevrolet Tracker, 1989-1990 Geo Tracker, 1989-1990 GMC Tracker, 1985-1988 Chevrolet Spectrum, 1985-1988 Pontiac Sunburst
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1103, 35-4006, 8045, 8157, 9130, IE44, IX43, ZE04,
...View moreitem #1001PTXG
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Walker ProductsPart # 924-1044
Walker Products 924-1044 Spark Plug Wire Set
4.73 Reviews
$36.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1989-1990 Dodge 2000 GTX, 1989-1990 Dodge Colt, 1989-1990 Plymouth Colt, 1988-1988 Dodge Colt, 1988-1988 Plymouth Colt, 1987-1987 Dodge Colt, 1987-1987 Plymouth Colt, 1985-1987 Isuzu Impulse, 1985-1986 Dodge Colt, 1985-1985 Isuzu I-Mark, 1985-1985 Isuzu Trooper, 1984-1984 Isuzu Trooper, 1983-1987 Isuzu Pickup, 1983-1984 Chevrolet S10 Blazer, 1983-1984 GMC S15 Jimmy, 1983-1984 Isuzu Impulse, 1982-1985 Chevrolet S10, 1982-1985 GMC S15, 1982-1982 Chevrolet LUV, 1981-1984 Isuzu I-Mark
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1044, 35-4004, 4393, 9341, IE41, IE42, ME58, 4590,
...View moreitem #1001PQA5
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Walker ProductsPart # 924-1597
Walker Products 924-1597 Spark Plug Wire Set
4.73 Reviews
$47.99
Enter ZIP codeFree standard shipping
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: GMC
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 # 924-1586
Walker Products 924-1586 Spark Plug Wire Set
4.73 Reviews
$39.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1987 Chevrolet LLV, 1986-1986 Buick Somerset, 1985-1987 Chevrolet Astro, 1985-1987 GMC S15, 1985-1987 GMC S15 Jimmy, 1985-1986 GMC Safari, 1985-1986 Oldsmobile Calais, 1985-1986 Pontiac Fiero, 1985-1986 Pontiac Grand Am, 1985-1985 Buick Somerset Regal, 1984-1986 Buick Century, 1984-1986 Buick Skylark, 1984-1986 Chevrolet Camaro, 1984-1986 Chevrolet Celebrity, 1984-1986 Oldsmobile Cutlass Ciera, 1984-1986 Pontiac 6000, 1984-1986 Pontiac Firebird, 1984-1985 Chevrolet Citation II, 1984-1984 Oldsmobile Omega, 1984-1984 Pontiac Fiero
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1586, 35-4114, 35-4115, 2950, 9017, 27416, 35-77514, 748,
...View moreitem #1001PP0Y
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Walker ProductsPart # 924-1414
Walker Products 924-1414 Spark Plug Wire Set
4.73 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1981-1982 GMC C7000, 1980-1982 Chevrolet K30, 1980-1980 Buick Electra, 1980-1980 Buick LeSabre, 1980-1980 Chevrolet C10, 1980-1980 Chevrolet C20, 1980-1980 Chevrolet C20 Suburban, 1980-1980 Chevrolet K10, 1980-1980 Chevrolet K10, 1980-1980 Chevrolet K20, 1980-1980 Chevrolet K30, 1980-1980 GMC K1500, 1980-1980 Pontiac Bonneville, 1980-1980 Pontiac Bonneville, 1980-1980 Pontiac Catalina, 1980-1980 Pontiac Parisienne, 1979-1982 GMC C2500, 1979-1982 GMC C2500 Suburban, 1979-1982 GMC C3500, 1979-1982 GMC K3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1414, 35-8127, 35-8333, 35-8104, 2931, 2943, 9056, 226,
...View moreitem #1001PP5D
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Walker ProductsPart # 924-1356
Walker Products 924-1356 Spark Plug Wire Set
4.73 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1986-1988 Chevrolet Caprice, 1986-1988 Chevrolet Monte Carlo, 1986-1987 Chevrolet El Camino, 1986-1987 GMC Caballero, 1986-1987 Pontiac Grand Prix, 1986-1986 Pontiac Bonneville, 1986-1986 Pontiac Parisienne
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1356, 35-6133, 2926, 9021, 27611, 35-77629, 763, 7631,
...View moreitem #1001PTH9
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Walker ProductsPart # 924-1417
Walker Products 924-1417 Spark Plug Wire Set
4.73 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1988-1988 Jeep J10, 1987-1991 Jeep Grand Wagoneer, 1984-1986 Jeep Grand Wagoneer, 1979-1979 American Motors Spirit, 1978-1979 American Motors AMX, 1978-1979 American Motors Concord, 1978-1979 American Motors Pacer, 1977-1988 Jeep J20, 1976-1981 Jeep CJ7, 1976-1976 Jeep J20, 1976-1976 Jeep J20, 1975-1983 Jeep Wagoneer, 1975-1978 Jeep Wagoneer, 1975-1977 American Motors Hornet, 1975-1976 American Motors Gremlin, 1975-1975 Jeep J20, 1974-1987 Jeep J10, 1974-1983 Jeep Cherokee, 1974-1981 Jeep CJ5, 1974-1978 Jeep Cherokee
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Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1417, 35-8311, 35-8142, 2820, 9141, 9146, 111, 9140,
...View moreitem #1001PP6U
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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: GMC
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 # 924-1329
Walker Products 924-1329 Spark Plug Wire Set
4.73 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1991-1991 Chevrolet Astro, 1991-1991 GMC Safari, 1990-1991 Chevrolet P30, 1990-1991 GMC P3500, 1988-1991 Chevrolet C1500, 1988-1991 Chevrolet C2500, 1988-1991 Chevrolet K1500, 1988-1991 Chevrolet K2500, 1988-1991 GMC C1500, 1988-1991 GMC C2500, 1988-1991 GMC K1500, 1988-1991 GMC K2500, 1987-1991 Chevrolet G10, 1987-1991 Chevrolet G20, 1987-1991 Chevrolet G30, 1987-1991 GMC G1500, 1987-1991 GMC G2500, 1987-1991 GMC G3500, 1987-1987 Chevrolet R10, 1987-1987 Chevrolet R20
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1329, 35-6130, 35-6101, 2923, 9024, 8HY-215, 26653, 48400,
...View moreitem #1001PQC1
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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.