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GMC C25 Spark Plug Wires

Great cars and trucks like your C25 need great parts.

Your GMC dealership isn't the only place to locate trusted replacement parts for your C25. It's not all the time that you find yourself in need of a replacement Spark Plug Wires to fix your automobile. You picked your C25 because its reliability and trusted quality appealed to your senses; so why would you settle for second rate when it comes to the highest quality auto parts? When your GMC C25 was born, it was destined for a person with discerning taste who values longevity in their automobile.

The function and purpose of Spark Plug Wires.

Without the timed ignition systems in our internal combustion engines, our engines would have to be all electric. The fact that your GMC C25 has mechanically or electronically timed ignition means that it needs spark plug wires. The current required 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 high tension leads, they consist of a carbon fiber core to conduct the current, a fiberglass barrier to protect against RFI and EMI, and rubber or silicone on the outside for insulation from the heat in your engine.

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

Select Your YearDon't let a broken Spark Plug Wires bring about the demise of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the highest quality repair parts. When your GMC needs the best replacement Spark Plug Wires, there's no need to trust any store other than the authority, Car Parts Discount. At Car Parts Discount, we have real customer support agents here with enough expertise to help you select the correct GMC C25 part for your project or repair. If your car or truck was built in 1978, 1977, 1976, 1975, then you will find the correct GMC C25 Spark Plug Wires parts 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 Spark Plug Wire Set, OEM: 6821SMP
1976 GMC C25 SMP Spark Plug Wire Set 6821
16.95, 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: 7619SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 7619
18.05, Save 39%   NEW ITEM
OEM: 7619, Item: 643374
  Only 6 left In Stock, Usually ships within 1-2 business days
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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 7 left In Stock, Usually ships within 1 business day
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GMC C25 Spark Plug Wire Set, OEM: 6603SMP
1975-1977 GMC C25 SMP Spark Plug Wire Set 6603
18.85, Save 39%   NEW ITEM
OEM: 6603, Item: 643202
  Only 2 left In Stock, Usually ships within 1-2 business days
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Prenco
1975-1978 GMC C25 Prenco Spark Plug Wire Set 35-87811
22.15, Save 39%   NEW ITEM
OEM: 35-87811, Item: 1393453
  Only 1 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
23.15, Save 39%   NEW ITEM
OEM: 6637, Item: 643208
  Only 1 left In Stock, Usually ships within 1-2 business days
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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 7 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
27.15, Save 39%   NEW ITEM
OEM: 6818, Item: 643253
  Only 4 left In Stock, Usually ships within 1-2 business days
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GMC C25 Spark Plug Wire Set, OEM: 6907SMP
1976-1978 GMC C25 SMP Spark Plug Wire Set 6907
27.15, Save 39%   NEW ITEM
OEM: 6907, Item: 643284
  Only 4 left In Stock, Usually ships within 1-2 business days
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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 9 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
30.45, Save 39%   NEW ITEM
OEM: 6870, Item: 643262
  Only 1 left In Stock, Usually ships within 1-2 business days
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GMC C25 Spark Plug Wire Set, OEM: 6810SMP
1975-1976 GMC C25 SMP Spark Plug Wire Set 6810
30.95, Save 39%   NEW ITEM
OEM: 6810, Item: 643251
  Only 2 left In Stock, Usually ships within 1-2 business days
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GMC C25 Spark Plug Wire Set, OEM: 508NACDelco
1975-1976 GMC C25 ACDelco Spark Plug Wire Set 508N
30.95, 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: 9508NACDelco
1975-1976 GMC C25 ACDelco Spark Plug Wire Set 9508N
33.25, 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: 9628MACDelco
1978 GMC C25 ACDelco Spark Plug Wire Set 9628M
35.65, Save 39%   NEW ITEM
OEM: 9628M, Item: 895156
  Only 2 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 1 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
39.95, Save 39%   NEW ITEM
OEM: 628M, Item: 889472
  Only 3 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
47.55, Save 39%   NEW ITEM
OEM: 608H, Item: 894990
  Only 2 left In Stock, Usually ships within 1 business day
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SMP
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 Ignition Spark Plug Wire Set, OEM: 9965SMP
1977-1978 GMC C25 SMP Ignition Spark Plug Wire Set 9965
176.45, Save 39%   NEW ITEM
OEM: 9965, Item: 320860
  Only 3 left In Stock, Usually ships within 1 business day
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