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GMC C25 Spark Plug Wires

Great cars and trucks like your C25 need great parts.

Select Your VehicleObviously, you didn't buy your C25 unless you understood you would be getting horsepower and great value both impeccably combined into one car, truck, or SUV. Anyone who operates a GMC knows that when it comes to maintaining their car, truck, or SUV only the most superior replacement parts will do. GMC automobile owners have grown accustomed to a certain level of reliability when driving their C25 around town. The vehicle in your driveway is head and shoulders above the rest when it comes to all the cars, trucks, and SUVs in today's marketplace.

Why Spark Plug Wires replacement is so important.

Without the properly working ignition timing system developed for the internal combustion engine, there would be no way to generate enough power for efficient operation. The fact that your GMC C25 has mechanically or electronically timed ignition means that it needs spark plug wires. The voltage necessary to ignite the air/fuel mixture in your combustion chamber is transferred from the engine control module (on newer vehicles) or distributor (on older vehicles) to the spark plug via your GMC C25 spark plug wires. Sometimes called lead wires, these usually have a carbon fiber core wrapped in a fiberglass barrier, and covered with EPDM rubber for insulation from the heat in your engine.

You've tried the rest, now try the best.

Don't let a Spark Plug Wires repair bring about the demise of your car, truck, or SUV, and don't gamble with its condition by installing anything but the best repair parts. When your GMC requires a new replacement Spark Plug Wires, there's no need to waste time looking anywhere other than the authority, Car Parts Discount. At Car Parts Discount, we have live customer service members here with enough expertise to help you purchase the appropriate GMC C25 part for your needs. Need 1978, 1977, 1976, 1975 GMC C25 Spark Plug Wires parts? We've got them right here.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Select Your Year
GMC C25 Ignition Spark Plug Wire Set, OEM: 9965SMP
1977-1978 GMC C25 SMP Ignition Spark Plug Wire Set 9965
178.25, Save 39%   NEW ITEM
OEM: 9965, Item: 320860
  Only 3 left In Stock, Usually ships within 1 business day
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GMC C25 Ignition Spark Plug Wire Set, OEM: 6603SMP
1975-1977 GMC C25 SMP Ignition Spark Plug Wire Set 6603
20.75, Save 39%   NEW ITEM
OEM: 6603, Item: 320460
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6637SMP
1978 GMC C25 SMP Spark Plug Wire Set 6637
23.65, Save 39%   NEW ITEM
OEM: 6637, Item: 643208
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 27619SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 27619
12.15, Save 40%  
OEM: 27619, Item: 1117102
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26907SMP
1976-1978 GMC C25 SMP Spark Plug Wire Set 26907
16.55, Save 39%   NEW ITEM
OEM: 26907, Item: 1116884
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 671-8009/6718009Denso
1975-1977 GMC C25 Denso Spark Plug Wire Set 671-8009
24.65, Save 39%   NEW ITEM
OEM: 671-8009, Item: 1193193
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 10053SMP
1975-1978 GMC C25 SMP Spark Plug Wire Set 10053
152.95, Save 39%   NEW ITEM
OEM: 10053, Item: 1469576
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: XS10217Delphi
1978 GMC C25 Delphi Spark Plug Wire Set XS10217
28.15, Save 39%   NEW ITEM
OEM: XS10217, Item: 999805
  Only 8 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 9628MACDelco
1978 GMC C25 ACDelco Spark Plug Wire Set 9628M
31.35, Save 39%   NEW ITEM
OEM: 9628M, Item: 895156
  Only 7 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: XS10260Delphi
1975-1977 GMC C25 Delphi Spark Plug Wire Set XS10260
26.85, Save 39%   NEW ITEM
OEM: XS10260, Item: 999845
  Only 8 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 9508NACDelco
1975-1976 GMC C25 ACDelco Spark Plug Wire Set 9508N
29.25, Save 39%   NEW ITEM
OEM: 9508N, Item: 895136
  Only 5 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 2821SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 2821
12.85, Save 39%   NEW ITEM
OEM: 2821, Item: 1330747
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 671-8016/6718016Denso
1978 GMC C25 Denso Spark Plug Wire Set 671-8016
24.65, Save 39%   NEW ITEM
OEM: 671-8016, Item: 1193200
  Only 6 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 10002SMP
1975-1978 GMC C25 SMP Spark Plug Wire Set 10002
50.15, Save 39%   NEW ITEM
OEM: 10002, Item: 1331024
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 7619SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 7619
18.35, Save 39%   NEW ITEM
OEM: 7619, Item: 643374
  Only 5 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 9608UACDelco
1975-1977 GMC C25 ACDelco Spark Plug Wire Set 9608U
36.35, Save 39%   NEW ITEM
OEM: 9608U, Item: 695087
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6810SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 6810
31.65, Save 39%   NEW ITEM
OEM: 6810, Item: 643251
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 2935SMP
1975-1978 GMC C25 SMP Spark Plug Wire Set 2935
9.95, Save 40%   NEW ITEM
OEM: 2935, Item: 1348413
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6821SMP
1976 GMC C25 SMP Spark Plug Wire Set 6821
17.35, Save 39%   NEW ITEM
OEM: 6821, Item: 1338377
  Only 1 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6870SMP
1977-1978 GMC C25 SMP Spark Plug Wire Set 6870
31.05, Save 39%   NEW ITEM
OEM: 6870, Item: 643262
  Only 1 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26810SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 26810
16.45, Save 39%   NEW ITEM
OEM: 26810, Item: 1116834
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26870SMP
1977-1978 GMC C25 SMP Spark Plug Wire Set 26870
17.15, Save 39%   NEW ITEM
OEM: 26870, Item: 1116856
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 2927SMP
1975-1978 GMC C25 SMP Spark Plug Wire Set 2927
14.15, Save 39%   NEW ITEM
OEM: 2927, Item: 1330772
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26637SMP
1978 GMC C25 SMP Spark Plug Wire Set 26637
13.55, Save 39%   NEW ITEM
OEM: 26637, Item: 1116777
  In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6907SMP
1976-1978 GMC C25 SMP Spark Plug Wire Set 6907
27.75, Save 39%   NEW ITEM
OEM: 6907, Item: 643284
  Only 5 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 628MACDelco
1978 GMC C25 ACDelco Spark Plug Wire Set 628M
35.15, Save 39%   NEW ITEM
OEM: 628M, Item: 889472
  Only 4 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 2943SMP
1977-1978 GMC C25 SMP Spark Plug Wire Set 2943
15.95, Save 39%   NEW ITEM
OEM: 2943, Item: 1330782
  Only 5 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26818SMP
1975 GMC C25 SMP Spark Plug Wire Set 26818
15.75, Save 39%   NEW ITEM
OEM: 26818, Item: 1116836
  Only 5 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: XS10268Delphi
1975-1976 GMC C25 Delphi Spark Plug Wire Set XS10268
18.55, Save 39%   NEW ITEM
OEM: XS10268, Item: 999851
  Only 3 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 26603SMP
1975-1977 GMC C25 SMP Spark Plug Wire Set 26603
10.85, Save 40%   NEW ITEM
OEM: 26603, Item: 1116769
  Only 4 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6818SMP
1975 GMC C25 SMP Spark Plug Wire Set 6818
27.75, Save 39%   NEW ITEM
OEM: 6818, Item: 643253
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 2931SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 2931
11.55, Save 39%   NEW ITEM
OEM: 2931, Item: 1330776
  Only 2 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 10001SMP
1975-1978 GMC C25 SMP Spark Plug Wire Set 10001
49.65, Save 39%   NEW ITEM
OEM: 10001, Item: 1389942
  Only 1 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 608HACDelco
1977 GMC C25 ACDelco Spark Plug Wire Set 608H
41.85, Save 39%   NEW ITEM
OEM: 608H, Item: 894990
  Only 1 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 508NACDelco
1975-1976 GMC C25 ACDelco Spark Plug Wire Set 508N
27.25, Save 39%   NEW ITEM
OEM: 508N, Item: 889138
  Only 1 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 671-6020/6716020Denso
1978 GMC C25 Denso Spark Plug Wire Set 671-6020
20.55, Save 39%   NEW ITEM
OEM: 671-6020, Item: 1192902
  Only 1 left In Stock, Usually ships within 1 business day
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Prenco
1975-1978 GMC C25 Prenco Spark Plug Wire Set 35-87811
22.55, Save 40%   NEW ITEM
OEM: 35-87811, Item: 1393453
  Only 1 left In Stock, Usually ships within 1 business day
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