1972 GMC K25/K2500 Pickup Spark Plugs

Essential 1972 GMC K25/K2500 Pickup Spark Plugs

Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

from

$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)

Spark Plug Non-Foulers - 14mm Tapered Seat

from

$6.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Maximizes Durability (Part No.10)

RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Maximizes Durability

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring smooth and reliable engine performance.
  • Single Platinum Performance: Designed with a platinum center electrode tip, these spark plugs offer enhanced durability and consistent performance for everyday use.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.306)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$1.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: Autolite Copper Core spark plugs are engineered to ensure quick and reliable engine starts.
  • Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon.
  • Smooth Acceleration: Experience smoother acceleration with Autolite Copper Core spark plugs, enhancing overall driving performance.
  • OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
  • Gasket Seat Type: Featuring a gasket seat type, these spark plugs provide a secure and effective seal for optimal engine function.
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Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement J12YC (Part No.10)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement J12YC

from

$3.49
This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards for proven performance, it offers superior corrosion resistance and resists fouling. The copper core center electrode allows for accurate control of heat range for longer life, while the nickel center electrode tip material ensures durability. This OE type replacement plug is designed for dependable performance and durability, making it an excellent choice for maintaining your engine’s efficiency.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode that enhances conductivity and heat control, ensuring good overall wear.
  • Durable Nickel Center Electrode Tip: The nickel center electrode tip material ensures durability, providing a longer lifespan for your engine’s spark plug.
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Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP64)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$6.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Works to optimize engine performance for a longer life and improved fuel economy
  • OE design
  • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
  • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.26)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR25)

Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions

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$4.79
The ground electrode is cut-back from the center electrode to provide a gap, and its concave face ensures a constant gap to the center electrode. This design opens the spark face for better ignitability of the flame kernel and retains less heat, transferring it to the shell faster to reduce the risk of pre-ignition. Dyno testing has shown proven power gains, making it ideal for all aftermarket cylinder heads used in various racing venues, including oval and road racing. The cut-back ground electrode evolved from the practice of grinding back the side electrode, and it features a tapered seat type for optimal performance.

Product Features:
  • Opens spark face for better ignitability of flame kernel
  • Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
  • Dyno testing has shown proven power gains
  • Cut-back ground electrode evolved from practice of grinding back the side electrode
  • Optimal Performance: Features a tapered seat type for optimal performance in various racing venues, including oval and road racing.
  • Durable Design: Engineered to handle intense conditions, making it suitable for all aftermarket cylinder heads used in competitive racing environments.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.147)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$2.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.85)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to innovate with its Copper Spark Plug. Designed and engineered in the USA, this spark plug features a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full voltage at the spark gap and a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making it a reliable choice for consistent performance.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts and Smooth Acceleration: The Autolite Copper Spark Plug is engineered to deliver quick starts and smooth acceleration, enhancing your vehicle’s performance.
  • Good Fuel Economy: Designed to optimize fuel efficiency, this spark plug helps you get the most out of every gallon.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.303)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making these spark plugs a reliable choice for enhancing your vehicle’s performance.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: The Autolite Copper Spark Plug is engineered to deliver quick and reliable starts, ensuring your vehicle is ready to go when you are.
  • Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
  • Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
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Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP65)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.79
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite Platinum spark plugs are designed and engineered in the USA to deliver exceptional performance. Featuring a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion, these spark plugs offer long-lasting durability. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard spark plugs.
  • Engineered in the USA: Backed by over 100 years of engineering expertise and a legacy of more than 11 billion plugs sold.
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DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, W16EXR-U (Part No.3031)

U-Groove Spark Plug:  OE Performance, lasts 30K+ Miles, W16EXR-U

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$2.79
U-Groove design provides better ignitability for increased engine efficiency.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100% pre-fired to assure reliable operation
  • U-Groove Conventional
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Champion – Copper Plus- Boxed – RV12C (Part No.113)

Copper Plus- Boxed - RV12C

from

$2.29
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.403)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES (Part No.4922)

OE Series Standard Nickel Spark Plug: Conventional Tip Design, BR6ES

from

$4.29
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Triple Gasket Sealing: Prevents combustion gas leakage for enhanced engine efficiency.
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NGK – SPARK PLUG-G POWER (Part No.2763)

SPARK PLUG-G POWER

from

$4.79
Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
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Champion – Champion Copper Plus Small Engine- Single Card – J6C (Part No.823-1)

Champion Copper Plus Small Engine- Single Card - J6C

from

$2.49
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
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Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP26)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN14YC (Part No.405)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN14YC

from

$4.49
Dependable Performance, OE Replacement, RN14YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and flat seat type further enhance its reliability, making it a top choice for maintaining your engine’s efficiency.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and flat seat type, this spark plug enhances reliability and helps maintain your engine’s efficiency.
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Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP26)

Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

from

$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
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ACDelco – Double Platinum Spark Plug (Part No.41-828)

Double Platinum Spark Plug

from

$8.29
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW16 (Part No.5305)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW16

from

$11.99
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000┬░ Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
  • Superior Performance: Patented technology allows the Iridium Power plug to outperform any other spark plug on the market, delivering more horsepower and better fuel efficiency.
  • Low Voltage Requirement: Requires 5,000 volts less to fire compared to conventional spark plugs, making it highly efficient and reliable under extreme conditions.
  • Enhanced Engine Starts: Experience faster and easier engine starts with fewer misfires, even under heavy loads, thanks to the advanced design of the DENSO Iridium Power spark plug.
  • Durable Iridium Material: Constructed with a durable iridium center electrode tip and a flat seat type, ensuring long-lasting performance and reliability.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.404)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: Autolite Copper Core spark plugs are engineered to ensure your engine starts quickly and reliably every time.
  • Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon of gas.
  • Smooth Acceleration: Experience smoother and more consistent acceleration with Autolite Copper Core spark plugs.
  • OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
  • Industry Standard: Autolite Copper Core spark plugs are recognized as the industry standard, backed by over 100 years of engineering expertise and over 11 billion plugs sold.
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Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP25)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$6.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Works to optimize engine performance for a longer life and improved fuel economy
  • OE design
  • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
  • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
See More

Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP25)

Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

from

$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
See More

ACDelco – RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Enhances Durability (Part No.2)

RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Enhances Durability

from

$6.79
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot sea
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
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Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP26)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$6.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes optimize engine performance for a longer life and improved fuel economy. The platinum ball welding process ensures a consistent point of contact for enhanced adhesion, while the tapered seat type further contributes to the plug’s superior durability.

Product Features:
  • Works to optimize engine performance for a longer life and improved fuel economy
  • OE design
  • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
  • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
  • Engineered in the USA: Backed by over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite spark plugs are designed and engineered in the USA for exceptional quality and reliability.
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1972 GMC K25/K2500 Pickup Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1972 GMC K25/K2500 Pickup. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 28 different Spark Plugs in our inventory ranging from $2.29 to $10.99. That means you can find the exact parts or products you need to keep that 1972 GMC K25/K2500 Pickup running smoothly.

Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1972 GMC K25/K2500 Pickup. ACDelco, Autolite, and E3 are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Spark Plugs for your 1972 GMC K25/K2500 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,393 reviews in this category, some of the top rated parts include Platinum Spark Plug: Enhances Durability & Reduces Misfires with 4.8 stars and SPARK PLUG with 4.6 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 1972 GMC K25/K2500 Pickup rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Spark Plugs Brands To Make Your 1972 GMC K25/K2500 Pickup Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1972 GMC K25/K2500 Pickup demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your K25/K2500 Pickup the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

Popular ACDelco Spark Plugs

We carry ACDelco parts in our stock across Spark Plugs categories, plus more. For a 1972 GMC K25/K2500 Pickup, our most popular ACDelco Spark Plugs include:

FAQs for 1972 GMC K25/K2500 Pickup Spark Plugs

What are the most purchased Spark Plugs for the 1972 GMC K25/K2500 Pickup?

Out of 28 Spark Plugs for the 1972 GMC K25/K2500 Pickup, the most popular in our inventory are:

What are the top-rated 1972 GMC K25/K2500 Pickup Spark Plugs?

Top-rated Spark Plugs for your 1972 GMC K25/K2500 Pickup based on customer reviews/ratings are:
SPARK PLUG
from $4.79
(21)
SPARK PLUG
“Nice price oem”
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
from $6.99
(10)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“great product”