1977 GMC K25 Spark Plugs
More 1977 GMC K25 Spark Plugs
Find your specific 1977 GMC K25 original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1977 GMC K25 Spark Plugs
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, ITF16TT (Part No.4715)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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- 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
- 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
- DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Durability of an OE style plug combined with Power & Torque of high performance.
- Withstands temperatures greater than 4000┬░ Fahrenheit
- Iridium TT
- Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
- Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Premium Materials: Features an Iridium Center Electrode Tip and a Tapered Seat Type for optimal performance and durability.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.26)
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$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.
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- 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
ACDelco – Spark Plug (Part No.R45T)
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$2.49
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda, plus many original equipment service replacement
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- The kind of firepower you expect from ACDelco. The spark plug is what started it all for us, and with over 100 years of innovation behind each spark plug, you know they’re going to be great. From the old to the new and even the non-automotive, ACDelco has
NGK – G-Power Spark Plug: Single Platinum Tip Design, YR5GP (Part No.2953)
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$5.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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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
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RV17YC (Part No.25)
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$3.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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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
ACDelco – Premium Double Platinum Tip Copper Core Spark Plug: Long-Lasting Performance & Durability (Part No.41-905)
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$9.79
ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. 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.
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- 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 GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Tapered Seat Design: The tapered seat type ensures a secure fit and optimal sealing in the engine.
- High-Quality Aftermarket Replacement: Manufactured to meet high standards of fit, form, and function, making it a reliable replacement for many vehicles on the road today.
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP145)
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$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.
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- 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)
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.147)
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$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.
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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
Motorcraft – Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-425)
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$2.79
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for optimal performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. Resistant to oxidation and arc erosion, they feature a multi-rib insulator to protect against misfires and offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs ensure reliable performance for a broad range of applications, including domestic and import cars and trucks of all makes and sizes. Backed by Motorcraft’s Service Parts Warranty, they are an exact fit for Ford, Lincoln, and Mercury vehicles, helping to prevent false check engine lights and providing the same quality as the original components installed during manufacturing.
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Product Features:
- Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Backed by Motorcraft’s Service Parts Warranty
- Exact fit for Ford, Lincoln and Mercury vehicles
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service intervals of up to 100,000 miles.
- Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
- Motorcraft ignition components help prevent false check engine lights.
- Fuel Efficiency: These spark plugs help reduce fuel consumption, optimizing emissions and contributing to a more efficient engine performance.
Accel – Universal Fit 300+ Race; Spark Plug Wire Set (Part No.7041)
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$89.99
For mounting on non-stock applications, for remote location. Choice of 4 core types. Female and male distributor towers. Terminal crimper and anvil tools. Includes silicone lube, boots and terminals. 20 piece kit.
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- 300+Race- 8.8mm Black
- For Race Engine Configurations
- Stainless Steel Spark Plug Terminals
- Suppression of EMI/RFI
- 600 Degree Double Silicone Construction
- Spiral Wound Copper/Nickel Alloy
- Fully Reactive Ferrite Material
- 150 Ohms Resistance
Accel – 8.8Mm Spiral Universal Fit (Part No.8033)
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$153.99
These ACCEL 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while providing maximum conductivity for ultimate performance in any race or street application. Double silicon insulation eliminates leakage and misfire.
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- 500 Ohms/ft Of Resistance
- 550 F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- Custom-fit Universal And Import Coverage
- Pre And Post HEI Vehicles
- Magnetic Suppression
- Fiberglass/Kevlar Core
- 500 Ohms Resistance
MSD Ignition – Wire Set; Super Conductor; Multi-Angle Plug; HEI Cap (Part No.31189)
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$129.99
For engines with late-model type (HEI spark plug top) distributor caps. Multi-angle boots and terminals installed on one end. 90 degree distributor boots and terminals included.
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Product Features:
- Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
- Distributor Cap – Boots and Terminals Included
- Includes Mini-Stripper-Crimper For Factory Style Crimps
- Size Includes [8] 90 Degree Boots/Terminal Ends
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)
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$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.
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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
Popular 1977 GMC K25 Spark Plugs Categories
1977 GMC K25 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1977 GMC K25. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 38 different Spark Plugs in our inventory ranging from $2.29 to $153.99. That means you can find the exact parts or products you need to keep that 1977 GMC K25 running smoothly.
Spark Plugs are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1977 GMC K25. ACDelco, NGK, 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 1977 GMC K25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,905 reviews in this category, some of the top rated parts include High-Performance Shorty Spark Plugs for Header Clearance with 4.9 stars and Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration with 4.6 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1977 GMC K25 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 1977 GMC K25 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 GMC K25 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 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Champion Spark Plugs
We carry Champion parts in our stock across Spark Plugs categories, plus more. For a 1977 GMC K25, our most popular Champion Spark Plugs include:
Top 1977 GMC K25 Spark Plugs from E3
E3 products are another trusted brand when it comes to Spark Plugs for your 1977 GMC K25. Popular E3 parts include:
FAQs for 1977 GMC K25 Spark Plugs
What are the most purchased Spark Plugs for the 1977 GMC K25?
Out of 38 Spark Plugs for the 1977 GMC K25, the most popular in our inventory are:
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$4.99
(32)
Conventional Nickel Tip Copper Core Spark Plug: Enhances Heat Transfer & Durability
Spark Plugs
What are the top-rated 1977 GMC K25 Spark Plugs?
Top-rated Spark Plugs for your 1977 GMC K25 based on customer reviews/ratings are:
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$52.99
(36)
High-Performance Shorty Spark Plugs for Header Clearance
“Perfect great plugs for my Build. Great service to THANK YOU!”
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$3.49
(16)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
“Good product. Will buy again.”
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$4.79
(10)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“Perfect fit”
