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GMC C25 Spark Plug
Your GMC C25 will be happy to know that the search for the right Spark Plug products you’ve been looking for is over! Advance Auto Parts has 34 different Spark Plug for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC C25 Spark Plug products start from as little as $2.79.
When it comes to your GMC C25, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Spark Plug product and part brands so you can shop with complete confidence. Some of our top Spark Plug product brands are AC Delco and NGK. We’re sure you will get the right product to keep that C25 running for a long time.
We even have reviews of our OEM and aftermarket Spark Plug products to help you buy with confidence. Hear from other customers via the 22,868 reviews on parts for your GMC C25.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Spark Plug products for your C25, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Spark Plug for a GMC C25
Use the fitment form at the top of the page to select your exact year and engine type for your GMC C25.
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Accel - U-Groove Spark Plug, Header Plug, Pack of 8 (Part No. 8199)
DescriptionACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads.
Product Features:- Shorty Spark Plugs For Tubular Exhaust Headers
- Eliminates Dimpling Headers For Added Clearance
- Shorter Overall Plug Length Vs. OE Style Plug
- Copper Core Center Electrode
- Projected Tip
- Helps Eliminate Burned Spark Plug Boots
- Shorty Header Spark Plug
Read 3 review(s)Review snapshot ® by PowerReviews
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I would recommend to anyone.
I would recommend to anyone.
Submitted 2021-10-20
By Anthony
From Undisclosed
Love that you carry in stock plugs for vehicles with headers. Thanks
Bottom Line NULL
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I would buy again
I would buy again
Submitted 2020-11-10
By James
From Undisclosed
Installed new headers and used these shorty spark plugs. Makes it easier to install spark plug wires.
Bottom Line NULL
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Good stuff
Good stuff
Submitted 2020-09-19
By patrick
From Undisclosed
This is a replacement set for ones I had in my car that were just old. The sun ran fine before I was just doing a tune up and everything seems well
Bottom Line NULL
from $43.99
View Product -
NGK - OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, UR4 (Part No. 6630)
DescriptionNGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. 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 with V-groove 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
Read 3 review(s)Review snapshot ® by PowerReviews
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Would buy again
Would buy again
Submitted 2021-10-01
By Sherry
From Undisclosed
They was a little shorter then the old ones but besides that they work good 👍🏻
Bottom Line NULL
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A+++
A+++
Submitted 2021-05-26
By Jeremy
From Undisclosed
V power: always awesome
Bottom Line NULL
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I always loved NGK spark plugs
I always loved NGK spark plugs
Submitted 2021-03-21
By Bobby
From Undisclosed
Installed these plugs on my 88 Caprice and fires right up and run like a sewing machine.
Bottom Line NULL
from $3.99
View Product -
ACDelco - Conventional Spark Plug (Part No. R44T)
DescriptionACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These conventional spark plugs are designed for reliability and efficient performance. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. 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:- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Available for use in Marine applications
- 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
Read 3 review(s)Review snapshot ® by PowerReviews
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OEM Quality
OEM Quality
Submitted 2021-06-21
By Joshua
From Undisclosed
Direct replacement for OEM plugs on 83' SBC 350!
Bottom Line NULL
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Great for Classics!
Great for Classics!
Submitted 2021-06-03
By Earl
From Undisclosed
perfect plugs for my 1970 Chevy truck, didn't realize how bad the old ones were... big difference starting and throttle response! factory pre-gap was correct. nice they were in stock.
Bottom Line NULL
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I like AC plugs best
I like AC plugs best
Submitted 2021-05-18
By Glenn
From Undisclosed
Nothing like a fresh set of spark plugs to make a car run great
Bottom Line NULL
from $3.79
View Product -
NGK - OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, YR5 (Part No. 7052)
DescriptionNGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. 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 with V-groove 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
Read 3 review(s)Review snapshot ® by PowerReviews
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Spark plugs NGK
Spark plugs NGK
Submitted 2022-02-14
By Mike Allen
From Cedar rapids Iowa
Always use NGK plugs
Bottom Line recommended
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Excellent Performance
Excellent Performance
Submitted 2022-01-04
By julian
From Manati, Puerto Rico
Used for power generator with Honda engine and Honda Lawnmower. Durability is a plus!!
Bottom Line recommended
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Good spark plugs
Good spark plugs
Submitted 2021-12-25
By AFMAK
From Anderson, AK
I only buy NGK spark plugs for my recreational vehicles. They're great.
Bottom Line recommended
from $4.49
View Product -
Champion - Copper Plus- Boxed - RV15YC4 (Part No. 18)
DescriptionDependable 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
Read 3 review(s)Review snapshot ® by PowerReviews
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Highly recommended
Highly recommended
Submitted 2021-04-24
By Heinrich
From Undisclosed
These spark plugs work great and the gap was perfectly preset on all eight. And all at a Great Price ......Thanks to Advance Auto Parts. 👍👍👍
Bottom Line NULL
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I will definitely buy this again!!
I will definitely buy this again!!
Submitted 2020-08-10
By Joseph
From Undisclosed
Put in my boat and ran perfect the next day!!
Bottom Line NULL
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Copper Plus Spark Plug
Copper Plus Spark Plug
Submitted 2020-01-11
By Franco
From Undisclosed
Spark Plugs for my 1982 Corvette fit and work!
Bottom Line NULL
from $3.49
View Product -
ACDelco - RAPIDFIRE Spark Plug (Part No. 10)
DescriptionACDelco 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
Read 2 review(s)Review snapshot ® by PowerReviews
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I would buy this again
I would buy this again
Submitted 2018-01-13
By Robert
From undisclosed
Great product
Bottom Line NULL
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Would by again
Would by again
Submitted 2017-04-08
By garold
From undisclosed
Excellent product great a higher idle no skips at all 5 stars
Bottom Line NULL
from $6.79
View Product -
ACDelco - Conventional Spark Plug (Part No. R44TX)
DescriptionACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
Product Features:- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
Read 2 review(s)Review snapshot ® by PowerReviews
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Yes
Yes
Submitted 2020-03-30
By Jason
From Undisclosed
No issues
Bottom Line NULL
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I will by this product again in the future
I will by this product again in the future
Submitted 2019-10-23
By paul
From Undisclosed
I used them as spark plugs and they worked great
Bottom Line NULL
from $3.99
View Product -
Autolite - Single Platinum Spark Plug: Up to 60kMile Life Expectancy (Part No. AP145)
DescriptionAutolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 1 review(s)Review snapshot ® by PowerReviews
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great
great
Submitted 2017-12-31
By tanner
From undisclosed
very good plugs
Bottom Line NULL
from $4.49
View Product -
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Dorman - Help - Spark Plug Non-Foulers - 14mm Tapered Seat (Part No. 42006)
DescriptionOur spark plug non fouler is corrosion resistant for long-lasting durability. Plus, gaskets are included for a complete repair.
Product Features:- Corrosion-resistant design
- Gaskets included (where applicable)
- Available in a range of sizes
- Non-Foulers help protect spark plugs from damage
Read 1 review(s)Review snapshot ® by PowerReviews
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I would buy again
I would buy again
Submitted 2019-10-22
By Joe
From Undisclosed
Installed and working great
Bottom Line NULL
from $6.99
View Product -
Champion - Copper Plus- Boxed - RV17YC (Part No. 25)
DescriptionDependable 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
Read 2 review(s)Review snapshot ® by PowerReviews
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I would buy again
I would buy again
Submitted 2020-06-25
By Kernie
From Undisclosed
Shocking
Bottom Line NULL
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good discription plus good price point
good discription plus good price point
Submitted 2012-03-22
By cougarxr7
From melbourne, fl
this is the proper plug for chrysler hemi engines for best performance. I also used it in my 351 cleveland (73 cougar XR7) at my mechanic's recommendation.
Bottom Line recommended
from $3.49
View Product -
NGK - G-Power Spark Plug: Single Platinum Tip Design, YR5GP (Part No. 2953)
DescriptionNGK 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.
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
Read 2 review(s)Review snapshot ® by PowerReviews
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1985 c30 spark plug
1985 c30 spark plug
Submitted 2021-04-25
By Clayton
From Undisclosed
Put in 1985 c30. Works as designed.
Bottom Line NULL
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Perfect fit
Perfect fit
Submitted 2013-08-25
By Jim
From Indian Springs AL
Finished off a great restoration rebuild on a 4 bolt main 5.7 chevy
Bottom Line recommended
from $4.99
View Product -
ACDelco - Conventional Spark Plug (Part No. R45TS)
DescriptionACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
Product Features:- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- 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
Read 3 review(s)Review snapshot ® by PowerReviews
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all you need
all you need
Submitted 2021-11-03
By Jerome
From Undisclosed
All you need Change them once a year and you will still be ahead. Soak the old ones in mineral spirits and use them once a year for 100 more
Bottom Line NULL
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A reliable product !
A reliable product !
Submitted 2021-10-22
By Robert
From Undisclosed
I've always used AC Delco products with no issues.
Bottom Line NULL
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Great muscle car plugs
Great muscle car plugs
Submitted 2021-10-21
By frank
From Undisclosed
Original great quality plug for 70's muscle cars. They are cooler firing, preventing any engine damage.
Bottom Line NULL
from $3.49
View Product -
Autolite - Copper Resistor Spark Plug: Up to 30k Mile Life Expectancy (Part No. 26)
DescriptionAutolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provid es the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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Great product
Great product
Submitted 2021-07-14
By Jaime
From Undisclosed
Great product
Bottom Line NULL
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No
No
Submitted 2021-04-24
By Rich
From Undisclosed
Made in china
Bottom Line NULL
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Good
Good
Submitted 2020-11-13
By Jeff
From Undisclosed
Good
Bottom Line NULL
from $2.99
View Product -
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Autolite - Single Platinum Spark Plug: Up to 60kMile Life Expectancy (Part No. AP26)
DescriptionAutolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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I am pleased with the product but not the shipping
I am pleased with the product but not the shipping
Submitted 2021-07-13
By Stacey
From Undisclosed
The box looked like it was in a tornado. One of the bags of assembly bolts was missing so I had to go get some more to be able to install the muffler kit. There were no instructions in the box so I had to google it and found them on the internet
Bottom Line NULL
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Great
Great
Submitted 2021-06-08
By Peter
From Undisclosed
Great
Bottom Line NULL
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yes
yes
Submitted 2021-04-17
By David
From Undisclosed
Spark plugs were great. Already installed.
Bottom Line NULL
from $4.49
View Product -
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ACDelco - RAPIDFIRE Spark Plug (Part No. 2)
DescriptionACDelco 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
Read 3 review(s)Review snapshot ® by PowerReviews
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Spark-ling
Spark-ling
Submitted 2018-12-05
By Daniel
From Undisclosed
OEM plugs for my old Buick, made it run better
Bottom Line NULL
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Deeper Socket Needed
Deeper Socket Needed
Submitted 2018-01-17
By John
From undisclosed
So far so good. Plugs are about 1/4 inch longer than the old plugs I removed. Had to buy a deeper socket in order to torque the new ones
Bottom Line NULL
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Definitely would buy this again
Definitely would buy this again
Submitted 2014-10-16
By Schurman
From Valrico , fl.
Great plugs
Bottom Line recommended
from $6.79
View Product -
Autolite - Double Platinum Spark Plug: Up to 100kMile Life Expectancy (Part No. APP26)
DescriptionAutolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading suppl ier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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Spark plugs purchase
Spark plugs purchase
Submitted 2020-10-07
By Richard
From Undisclosed
It was a great purchase.
Bottom Line NULL
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Good
Good
Submitted 2020-08-27
By Dillion
From Undisclosed
Good
Bottom Line NULL
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buy these
buy these
Submitted 2018-10-06
By Benjamin
From Undisclosed
Way better than coppers
Bottom Line NULL
from $5.99
View Product -
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Autolite - Copper Resistor Spark Plug: Up to 30k Mile Life Expectancy (Part No. 145)
DescriptionAutolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provid es the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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Good Product.
Good Product.
Submitted 2018-05-04
By Bernard
From undisclosed
Prompt Service
Bottom Line NULL
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They work
They work
Submitted 2018-03-28
By Brent
From undisclosed
Seem fine. These are spark plugs and they work.... What more can I say?
Bottom Line NULL
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Yes
Yes
Submitted 2017-10-06
By Benjamin
From undisclosed
04 VW Jetta
Bottom Line NULL
from $3.49
View Product -
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E3 - DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No. E3.42)
DescriptionThe Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.42 is a 14mm, 0.460 reach plug with a taper seat. It fits domestic applications in the 80s to early 90s, and is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.
Product Features:- E3's Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn.
- Smoother Acceleration & Idle - The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
- Energy - Power output improved up to 6% on average in the typical operating ranges. Results will vary.
- Efficiency - The "diamond shaped" side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work during each combustion cycle.
- E3's patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
- The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
Read 3 review(s)Review snapshot ® by PowerReviews
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I always use E3 plugs whenever I can.
I always use E3 plugs whenever I can.
Submitted 2022-02-02
By RD
From TENNESSEE
I plug these plugs in all my vehicles and motorcycles. These I purchase to put in my motor home which had Autolite plugs which had less then 1000 miles and were fouling out.
Bottom Line recommended
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No I will not buy this product again ever
No I will not buy this product again ever
Submitted 2021-08-25
By Hillary
From Undisclosed
The E3-42 spark plug that was on my number piston blew apart and caused my number 3 piston to start knocking has a chunk missing on edge of piston u can see the rings on piston and it caused a hair line crack on top of piston causing it to fell Tuesday at 09:00 am I don't recommend buying any E3 spark plugs no more
Bottom Line NULL
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great plug
great plug
Submitted 2021-08-04
By Randall
From Undisclosed
great plug
Bottom Line NULL
from $7.49
View Product -
E3 - DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No. E3.40)
DescriptionThe Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.40 is a 14mm, 0.460 reach plug with a taper seat. It fits domestic applications in the 60s to early 90s, and is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long term use.
Product Features:- E3's Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn.
- Smoother Acceleration & Idle - The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
- Energy - Power output improved up to 6% on average in the typical operating ranges. Results will vary.
- Efficiency - The "diamond shaped" side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work during each combustion cycle.
- E3's patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
- The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
Read 3 review(s)Review snapshot ® by PowerReviews
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yes
yes
Submitted 2021-09-12
By Robert
From Undisclosed
seamless. thank you
Bottom Line NULL
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..5yrs. or 100,000 mile warranty..??
..5yrs. or 100,000 mile warranty..??
Submitted 2015-08-16
By Don
From Jacksonville,NC
...These plugs come with a 5yr or 100,000 mile warranty, there core is copper which on average have to be replaced every 10 to 15 thousand miles. They do perform well in the vehical by improved gas mileage and performance. The warranty is that of an Iridium core plug not that of a copper core plug as the E3..I do believe you'll have replace these E3's every 10 to 15 Thousand miles, which of course at the cost of these would become rather expensive..
Bottom Line recommended
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Keep Your Money
Keep Your Money
Submitted 2014-03-29
By Devil
From Ohio
My son put these n his 1986 Chevy truck when we were giving it a tune up. ran ok for about 5 months and then 5 plugs died. changed out to ac delco truck ran great. waste of money.
Bottom Line not recommended
from $6.99
View Product -
NGK - G-Power Spark Plug: Single Platinum Tip Design, UR4GP (Part No. 2869)
DescriptionNGK 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.
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
Read 1 review(s)Review snapshot ® by PowerReviews
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Works as promised
Works as promised
Submitted 2013-10-29
By Stingray
From WI
Helped on startup and running along with better mpg.
Bottom Line recommended
from $4.99
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NGK - Iridium IX Spark Plug: Single Iridium Fine Wire, UR4IX (Part No. 7401)
DescriptionNGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Product Features:- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Read 1 review(s)Review snapshot ® by PowerReviews
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the spark plugs were deffeticve
the spark plugs were deffeticve
Submitted 2015-12-10
By DR. Michael Knightwood
From Revere, Massachusetts
the spark plugs were deffeticve
Bottom Line not recommended
from $11.49
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DENSO - Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITF16 (Part No. 5330)
DescriptionThe DENSO Iridium Power center electrode tip is the world's smallest, at 0.4mm in diameter. It produces the hottest, most concentrated spark, while requiring the lowest voltage (5,000 less volts to fire than conventional spark plugs). For maximum performance under the most extreme conditions, this plug is the one! Because of its patented technology, the Iridium Power plug outperforms any plug today. You'll enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, plus better fuel efficiency.
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
Read 1 review(s)Review snapshot ® by PowerReviews
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DOES NOT FIT A FORD 302
DOES NOT FIT A FORD 302
Submitted 2018-07-18
By Ford302
From USA
Despite being sold as an "Exact Fit", these spark plugs fouled after less than 10 miles and the car is now running WORSE. Wrong size gap and way too hot. Do no other buy these for an 82incoln or any Ford 302 powered vehicle.
Bottom Line not recommended
from $10.79
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ACDelco - Double Platinum Spark Plug (Part No. 41-803)
DescriptionACDelco 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
from $8.49
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Autolite Iridium - Iridium XP Spark Plug: Up to 100kMile Life Expectancy (Part No. XP26)
DescriptionAutolite® Iridium XP Enhanced Alloy Technology Spark Plugs is one of the brand's most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. Autolite® spark plugs are the best alternativ e to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.from $9.49
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ACDelco - Double Platinum Spark Plug (Part No. 41-817)
DescriptionACDelco 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
from $8.49
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