1978 GMC P25 Ignition Coils and Boots

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Keep Your 1978 GMC P25 in Top Shape with Quality Ignition Coils and Boots

Whether you’re repairing or upgrading your Ignition Coils and Boot, using high-quality parts is key to keeping your 1978 GMC P25 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Ignition Coils, Ignition Coil Boots, and Ignition Coil Covers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1978 GMC P25 Ignition Coils and Boot at Advance Auto Parts is around $48.75, with a range that starts at $6.99 and goes up to $101.99. With 8 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Carquest Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, EBC1483, Carquest Ignition Coil: Meets OE Specifications, 1 Count, 26C1065, and ACDelco Coil €“ HEI, D504A start at just $31.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Ignition Coils and Boot, don’t forget to check out other key components like Ignition Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 1978 GMC P25 in peak condition, inside and out.

Essential 1978 GMC P25 Ignition Coils and Boots

NGK – NGK Premium OE Fit & Design Spark Plug Wire Set: Ferrite Mag Core, 6 Leads, 51333 (Part No.51333)

NGK Premium OE Fit & Design Spark Plug Wire Set: Ferrite Mag Core, 6 Leads, 51333

from

$36.99
NGK ultra-low resistance mag core wire sets provide outstanding performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. Stainless steel winding over premium ferrite magnetic core delivers ultra-low resistance, a more powerful spark and excellent EMI/RFI noise suppression. OE or better specified spark plug and distributor boots ensure the highest quality fit, performance and durability in every application. Spark plug boots are glued to NGK cable with a silicone sealer for a watertight seal. Stainless steel terminals utilizing up to 3 serrated crimps bite into cable jacket and inner insulation for the highest terminal retention strength (wherever possible). Locking C-shaped spring clip with corrosion-resistant plating ensures a secure and positive spark plug terminal connection.
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GM Genuine Parts – GM Genuine Parts Spark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9 Wire Set, 628M (Part No.628M)

GM Genuine Parts Spark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9 Wire Set, 628M

from

$79.99
ACDelco GM Original Equipment Spark Plug Wire Sets consist of a set of wires, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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Carquest Premium – Carquest Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit, 35-6118 (Part No.35-6118)

Carquest Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit, 35-6118

from

$40.99
CARQUEST Premium Spark Plug Wire Sets are engineered to restore ignition wire reliability and performance. They are designed to meet or exceed OE design requirements, performance, fit, form and function of the OE wire. Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
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ACDelco – ACDelco Specific FitSpark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9508N (Part No.9508N)

ACDelco Specific FitSpark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9508N

from

$69.99
ACDelco Professional Spark Plug Wire Sets consist of a set of wires, encased in an insulating material, connectors, and insulating boots, and are a high quality replacement for many vehicles on the road today. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plugs. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.
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MSD Ignition – MSD Ignition MOD HEI DUST COVER V8 AND ODD FIRE V6, 8401 (Part No.8401)

MSD Ignition MOD HEI DUST COVER V8 AND ODD FIRE V6, 8401

from

$74.09
Stock style replacement modified HEI coil dust cover. Used on 8 cylinder vehicles only.
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ACDelco – ACDelco Coil €“ HEI, D504A (Part No.D504A)

ACDelco Coil €“ HEI, D504A

from

$101.99
ACDelco Professional Ignition Coil is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, andor engine fuel management. This premium aftermarket coil is manufactured to meet or exceed your expectations for fit, form, and function.
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Carquest Premium – Carquest Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, EBC1483 (Part No.EBC1483)

Carquest Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, EBC1483

from

$35.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty (limited). Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest Premium – Carquest Ignition Coil, EBC1497 (Part No.EBC1497)

Carquest Ignition Coil, EBC1497

from

$40.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest – Carquest Ignition Coil: Meets OE Specifications, 1 Count, 26C1065 (Part No.26C1065)

Carquest Ignition Coil: Meets OE Specifications, 1 Count, 26C1065

from

$31.49
Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle’s ignition system performance. Carquest ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest Premium – Carquest Ignition Coil Ground Strap, DLA1034 (Part No.DLA1034)

Carquest Ignition Coil Ground Strap, DLA1034

from

$6.99
The Ignition Coil Ground Strap is designed to ground the ignition coil laminations and prevent lost power from the ignition coil.
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Most Popular Ignition Coils for 1978 GMC P25s

Enhance your 1978 GMC P25 with one of the 3 Ignition Coils we have in stock, starting at just $31.49.

Carquest Premium – Carquest Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, EBC1483 (Part No.EBC1483)

Carquest Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, EBC1483

from

$35.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty (limited). Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest – Carquest Ignition Coil: Meets OE Specifications, 1 Count, 26C1065 (Part No.26C1065)

Carquest Ignition Coil: Meets OE Specifications, 1 Count, 26C1065

from

$31.49
Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle’s ignition system performance. Carquest ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

ACDelco – ACDelco Coil €“ HEI, D504A (Part No.D504A)

ACDelco Coil €“ HEI, D504A

from

$101.99
ACDelco Professional Ignition Coil is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, andor engine fuel management. This premium aftermarket coil is manufactured to meet or exceed your expectations for fit, form, and function.
See More

Best-Selling 1978 GMC P25 Ignition Coil Boots

Upgrade your P25 with one of our 3 best-selling Ignition Coil Boots.

Carquest Premium – Carquest Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit, 35-6118 (Part No.35-6118)

Carquest Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit, 35-6118

from

$40.99
CARQUEST Premium Spark Plug Wire Sets are engineered to restore ignition wire reliability and performance. They are designed to meet or exceed OE design requirements, performance, fit, form and function of the OE wire. Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
See More

GM Genuine Parts – GM Genuine Parts Spark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9 Wire Set, 628M (Part No.628M)

GM Genuine Parts Spark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core, 9 Wire Set, 628M

from

$79.99
ACDelco GM Original Equipment Spark Plug Wire Sets consist of a set of wires, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
See More

NGK – NGK Premium OE Fit & Design Spark Plug Wire Set: Ferrite Mag Core, 6 Leads, 51333 (Part No.51333)

NGK Premium OE Fit & Design Spark Plug Wire Set: Ferrite Mag Core, 6 Leads, 51333

from

$36.99
NGK ultra-low resistance mag core wire sets provide outstanding performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. Stainless steel winding over premium ferrite magnetic core delivers ultra-low resistance, a more powerful spark and excellent EMI/RFI noise suppression. OE or better specified spark plug and distributor boots ensure the highest quality fit, performance and durability in every application. Spark plug boots are glued to NGK cable with a silicone sealer for a watertight seal. Stainless steel terminals utilizing up to 3 serrated crimps bite into cable jacket and inner insulation for the highest terminal retention strength (wherever possible). Locking C-shaped spring clip with corrosion-resistant plating ensures a secure and positive spark plug terminal connection.
See More

Top-Quality Ignition Coil Covers for 1978 GMC P25s

Choose a high-quality OEM or aftermarket Ignition Coil Cover for GMC P25s and enjoy top-notch performance from $74.09.

MSD Ignition – MSD Ignition MOD HEI DUST COVER V8 AND ODD FIRE V6, 8401 (Part No.8401)

MSD Ignition MOD HEI DUST COVER V8 AND ODD FIRE V6, 8401

from

$74.09
Stock style replacement modified HEI coil dust cover. Used on 8 cylinder vehicles only.
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Our Top Pick for a 1978 GMC P25 Ignition Coil Ground Strap

Invest in a durable Ignition Coil Ground Strap for your 1978 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Ignition Coil Ground Strap, DLA1034 (Part No.DLA1034)

Carquest Ignition Coil Ground Strap, DLA1034

from

$6.99
The Ignition Coil Ground Strap is designed to ground the ignition coil laminations and prevent lost power from the ignition coil.
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FAQs for 1978 GMC P25 Ignition Coils and Boots

What are the best-selling Ignition Coils and Boots for 1978 GMC P25s?

Out of 8 Ignition Coils and Boots that fit 1978 GMC P25s, the following parts are the top sellers:

What’s the price range for 1978 GMC P25 Ignition Coils and Boots?

The prices of Ignition Coils and Boots for the 1978 GMC P25 range from $6.99 up to $101.99 for the most premium parts.

What is the average price of an Ignition Coils and Boot for a 1978 GMC P25?

The average price for Ignition Coils and Boots for the 1978 GMC P25 is $48.75. Keep in mind the variety of part types within our Ignition Coils and Boot category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Ignition Coils and Boots for other GMC P25 model years?

Yes, we carry Ignition Coils and Boots for 2 model years of GMC P25s between 1975 and 1977. The following model years are the most popular for Ignition Coils and Boot purchases: 1977, 1976, and 1975.

What are the cheapest Ignition Coils and Boots for my 1978 GMC P25?

Does Advance Auto Parts sell Ignition Coils and Boots for any other 1978 GMC models?

Yes. We stock Ignition Coils and Boots for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Ignition Coils and Boots, 1978 Caballero Ignition Coils and Boots, 1978 K25 Ignition Coils and Boots, 1978 K15 Ignition Coils and Boots, and 1978 G25 Ignition Coils and Boots.

What types of Ignition Coils and Boots do you sell for my 1978 GMC P25?

As of 8/2/26, these are some of the most in-demand types of Ignition Coils and Boots for a 1978 GMC P25:

Can I get help with 1978 GMC P25 Ignition Coils and Boot orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Ignition Coils and Boots and more.

What is your return policy for GMC P25 Ignition Coils and Boots?

Advance Auto Parts keeps returns simple. For new GMC P25 Ignition Coils and Boots and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.