TRQ ignition coils will have your engine running like new. TRQ ignition coils are manufactured to precise specifications using premium raw materials to optimize each vehicle's ignition system. To ensure peak performance, TRQ recommends replacing ignition coils in sets to prevent electrical output imbalances. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality.
Product Features
High dielectric epoxy and reinforced bobbins for extended service life
Rubber, Silicone, or Phenolic Resin Shell: Prevents premature boot wear
Application Specific Design: No modifications required
Complete repair to restore your engine to like-new condition
Item Condition:New
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
Returns: Parts with electrical components cannot be returned once installed.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
How to Replace Ignition Coil 1999-2004 GMC Sierra 2500
How to Replace Ignition Coils 1999-2007 Chevy Silverado
How To Replace Spark Plugs 2000-06 Chevy Tahoe
How to Replace Ignition Coil 2003-2021 Chevrolet Express
How to Replace Ignition Coils 1999-2007 Chevy Silverado
How to Replace Ignition Coil 2000-06 Chevy Suburban
How To Replace Spark Plugs 2000-06 Chevy Tahoe
Created on:
Tools used
7mm Socket
Ratchet
1. Remove the ignition coil
Unbolt the ignition coil
Disconnect the wiring connector.
2. install the new ignition coil
Bolt the ignition coil down.
Connect the wiring connector.
Brought to you by 1AAuto.com. Your source for quality replacement parts and the best service on the internet. In this video we're going to replace an ignition coil on this 2002 GMC Sierra with a 6 liter Vortec V8. This procedure is the same for most of the 4.8, 5.3, and 6.0 liter Vortecs in the trucks as well as the SUV's, very simple, only tool you'll need is a 7 mm socket with a ratchet and extension.
The coils on this GM V8's is pretty easy to get to. There's four of them each side, eight total, one for each cylinder. They're right up here on top. I'm going to do this one because it's just the easiest one to see and film. They're all really easy to get to though. Now, there's a harness that goes in right here. I'm going to pull back on that tab and pull up and the front wire is right down here. You twist it. Hold down. Now you can see the two 7 mm bolts on each side holding it in. One here and one there. We'll just speed it up as we're removing those two 7 mm bolts with a socket and a ratchet and an extension. Our original coil, the new one from 1A Auto, you can see it's all the same. It's going to bolt in just like the original. I'm going to speed up again as I just tight those bolts in and then tighten them up with my socket, ratchet and extension. When you tighten them you want them nice and firm. They're not to be overly tight though. Put the extension back in and then plug your plug wire right back and then just repeat for the other seven.
We hope this helps you all. Brought to you by www.1AAuto.com. Your source for quality replacement parts and the best service on the internet. Please feel free to call us toll free 888-844-3393. We're the company that serve you on the internet and in person.
Tools used
7mm Socket
10mm Socket
Ratchet
Pocket Screwdriver
Okay, friends. Before we get started on doing our ignition coil here, we just wanna make sure that you have safety is your number one concern. Always have your eye protection and your hand protection. Let's get started.
Let's come right over here on the passenger side of the engine. If we're looking for the coils, you're gonna see them right up along the top or side, right along here. All four going down the side and then, of course, on the other side of the engine you'll have the same four. Now, we're gonna show you on this front one right here, because it's the hardest one. And it's not very hard at all, but it is the hardest. We need to grab these heater core hoses, move them out of the way. Once they're out of the way we need to remove this bracket. Use your 10-millimeter and take off this nut.
The next thing we're gonna do is take a nice small pocket screwdriver, you can use pretty much anything, including your finger, but if you take the small pocket screwdriver, you can go right along here, lift up on this tab, and then you should be able to draw your electrical pigtail away.
Now let's move on down from the coil to the spark plug wire. Grab onto it. Give it a nice twist and pull it right off. Looking at the coil on either side, you're going to see a 7-millimeter bolt, remove both. Hold onto that coil, there's nothing holding it on there, except for this bolt at this point. There it is, friends.
Now it's gonna be time to install our brand new coil. Just gonna take it and bring it right down here, and I'm gonna line it up with exactly where I removed it from. Start in both of my bolts before I tighten either of them down. Go, both are straightened. Let's go ahead and snug them up. I always like to use a regular ratchet to make sure they're snug. Go ahead and connect in your electrical connector. Let's grab that spark plug wire. Go ahead and use a little bit of dielectric grease in there, that's gonna be helpful, and then connect it right onto your coil. Listen for a little click noise, give it a nice twist and a nice little tug, to make sure it's secured on there. You also wanna make sure that your spark plug wire is in no way touching that exhaust manifold.
So, now the replacement process for all the rest of the coils would be the same at this point. But moving along to finish up with this coil, we need to make sure we get this bracket back on. I'm gonna take the bracket, put it on there just like this. Snug it right up. There we are. Make sure it's nice and tight. Make sure you secure your heater core hoses. Double-check everything. This looks great.
Tools used
Hose Pliers
Torque Wrench
8mm Wrench
Air Compressor
5/8 Inch Spark Plug Socket
Ratchet
All right, we wanna disconnect the battery, disconnect the negative cable. Use an 8-millimeter ratchet wrench or a wrench. And then slide that out of the way. We can take the spark plug wire off just on the spark plugs side. You might have to use some special pliers, like hose pliers, to get there boots off. Just like that. And just slide that to the side.
Now before you take the spark plug out, there could be some dirt and debris around the plug. Just take some compressed air and just spray right around the plug itself. And take a spark plug socket. This happens to be a 5/8 spark plug socket. And loosen the plug.
And slide the plug out. Take the new spark plug, put it in your spark plug socket and just carefully line it up. And you wanna torque this to 11 foot-pounds. And reconnect the spark plug wire, just line it up with the plug. Lock it down and then you can do the same procedure for the other ones.
Now we can hook up the battery. Line it up, get it started. And snug it up. Just make sure it's not loose. That's good.
Tools used
7mm Socket
10mm Socket
Ratchet
Tools used
7mm Socket
10mm Socket
Ratchet
Pocket Screwdriver
Okay, friends. Before we get started on doing our ignition coil here, we just wanna make sure that you have safety is your number one concern. Always have your eye protection and your hand protection. Let's get started.
Let's come right over here on the passenger side of the engine. If we're looking for the coils, you're gonna see them right up along the top or side, right along here. All four going down the side and then, of course, on the other side of the engine you'll have the same four. Now, we're gonna show you on this front one right here, because it's the hardest one. And it's not very hard at all, but it is the hardest. We need to grab these heater core hoses, move them out of the way. Once they're out of the way we need to remove this bracket. Use your 10-millimeter and take off this nut.
The next thing we're gonna do is take a nice small pocket screwdriver, you can use pretty much anything, including your finger, but if you take the small pocket screwdriver, you can go right along here, lift up on this tab, and then you should be able to draw your electrical pigtail away.
Now let's move on down from the coil to the spark plug wire. Grab onto it. Give it a nice twist and pull it right off. Looking at the coil on either side, you're going to see a 7-millimeter bolt, remove both. Hold onto that coil, there's nothing holding it on there, except for this bolt at this point. There it is, friends.
Now it's gonna be time to install our brand new coil. Just gonna take it and bring it right down here, and I'm gonna line it up with exactly where I removed it from. Start in both of my bolts before I tighten either of them down. Go, both are straightened. Let's go ahead and snug them up. I always like to use a regular ratchet to make sure they're snug. Go ahead and connect in your electrical connector. Let's grab that spark plug wire. Go ahead and use a little bit of dielectric grease in there, that's gonna be helpful, and then connect it right onto your coil. Listen for a little click noise, give it a nice twist and a nice little tug, to make sure it's secured on there. You also wanna make sure that your spark plug wire is in no way touching that exhaust manifold.
So, now the replacement process for all the rest of the coils would be the same at this point. But moving along to finish up with this coil, we need to make sure we get this bracket back on. I'm gonna take the bracket, put it on there just like this. Snug it right up. There we are. Make sure it's nice and tight. Make sure you secure your heater core hoses. Double-check everything. This looks great.
Tools used
Socket Extensions
10mm Socket
Ratchet
1. Removing the Ignition Coil
Disconnect the ignition coil wiring harness
Remove the 10mm bolt from the hose bracket
Pull off the hose bracket
Disconnect the spark plug wire from the ignition coil
Remove the two 10mm bolts from the ignition coil
Pull the ignition coil up and out
2. Installing the New Ignition Coil
Push the new ignition coil into place
Insert the two 10mm bolts into the ignition coil
Connect the spark plug wire to the ignition coil
Push the hose bracket into place
Insert the 10mm bolt into the hose bracket
Connect the ignition coil wiring harness
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Don from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace an ignition coil on this 2002 Chevy Suburban with the 5.3 liter, V8 engine. It's the same part and similar process on these Suburbans from 2000 to 2006. The items you'll need for this are a new ignition coil from 1AAuto.com and a 10mm socket and ratchet with an extension.
Your ignition coils are located right here. There are four on each side since this is a V8 engine. To remove these ignition coils, it's the same process for each of them; they're held in with two 10mm bolts. The only difference is this one right here that has a bracket for these hoses over it and that bracket also just held in with a 10mm bolt. We'll show you on this one since it's a slightly different procedure. Just lift up on the tab and disconnect that harness, and then, using a 10mm socket and ratchet, just remove that 10mm bolt, right there. Now you can just pull that bracket aside, and then, pull your spark plug wire from the ignition coil. Then remove the 10mm bolt at the top and the bottom of the coil. The coil will pull right off.
On the left, is the old ignition coil; on the right, is the new one from 1A Auto. You can see they're identical and they're going to fit exactly the same. Take your new ignition coil and push it down into place and then replace those two 10mm bolts. We'll fast forward as Don does this. Now reconnect your spark plug wire and then push this bracket back into place and replace that 10mm bolt. If you're replacing multiple ignition coils, obviousl,y you just repeat the process for each one and finally just reconnect the harness and you're all set.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
Tools used
Hose Pliers
Torque Wrench
8mm Wrench
Air Compressor
5/8 Inch Spark Plug Socket
Ratchet
All right, we wanna disconnect the battery, disconnect the negative cable. Use an 8-millimeter ratchet wrench or a wrench. And then slide that out of the way. We can take the spark plug wire off just on the spark plugs side. You might have to use some special pliers, like hose pliers, to get there boots off. Just like that. And just slide that to the side.
Now before you take the spark plug out, there could be some dirt and debris around the plug. Just take some compressed air and just spray right around the plug itself. And take a spark plug socket. This happens to be a 5/8 spark plug socket. And loosen the plug.
And slide the plug out. Take the new spark plug, put it in your spark plug socket and just carefully line it up. And you wanna torque this to 11 foot-pounds. And reconnect the spark plug wire, just line it up with the plug. Lock it down and then you can do the same procedure for the other ones.
Now we can hook up the battery. Line it up, get it started. And snug it up. Just make sure it's not loose. That's good.
ICA61495
In Stock
Product Reviews
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4.58/ 5.043
43 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
36
3
0
1
3
I
March 5, 2017
I REALLY , REALLY appreciate what they did for me it helped sooo much. I don't know how to thank you guys enough.
Fast delivery
Jose
August 17, 2017
I ordered this set and came in fast as always, had a problem , but was resolved fast and curtious.
Pretty easy to install
B
September 4, 2017
Had a slight misfire in my 2000 Chevy Tahoe, 3.5L. Took it to a mechanic. He replaced #6 coil, $69 plus $100 labor. WHOA !
Ordered eight coils from 1A for $119, installed 6 more in about
2-3 hours, except for # 8 cyl. I need a shorter 1/4 # extension to
finish that job. Tahoe is 17 yrs old with 90K. If I had a coil tester i
could have saved a lot of money. Now I've got trouble with the
rear left brake, watched your vidieo, but i'm not going to tackle
that job, my 80 yr old knees are about wore out !!
Very pleased
G
October 24, 2017
I was very pleased with 1-A Auto's quick turn around on the order and the ignition coils are working fine. There was a bit of a struggle installing the rear two coils but isn't that the way with vehicles today? I walked away from the installation with only a few minor bruises so I am pleased.
The staff at 1-A Auto are the best!
Thank you for your efforts on us the customer's behalf.
Fast&East
Jonathan
October 31, 2017
Product was as described, Packaging was great, Shipment was fast, Payment was easy.
2004 Chevy suburban
Lawrence
March 20, 2018
14 yr old Chevy Burb. Replaced plugs and wires and figured hey why not the coils. Connectors were real tight on 4 of the 8. The last one line the passenger firewall was no fun. Blindly returning bolts with little room. Suggest u make the plug wire and electrical connections before bolting it up. Truck runs great after install. May have even got a little more power.
ignition coils
John
April 18, 2018
1A auto has amazing customer service and the parts were an exact fit , what a great product and incredible prices I refer all my friends and family to order their parts from 1A auto
very happy
stuart
May 7, 2018
Perfect fit Arrived two days after ordered Truck runs great after changing to these coils and doing a complete tune up Like driving a brand new truck again Ecstatic
Fast and courteous
H
May 26, 2018
Even though I didn't end up using the parts that I bought I just want to say that I had absolutely no problems since the time I placed the order n till the time I received the parts even when i payed it was so easy
Ignition coil
George
June 6, 2018
All parts arrived timely and as described. Installation was successful as everything fit correctly and was a plug and play setup. Would buy again and recommend to others.
Fast and friendly service
L
July 16, 2018
I ordered spark plugs and coils. They came within a week, but of course I ordered the wrong coils---no problem they paid to return the wrong ones and shipped me the correct ones.
Happy customer
Lance Raber
Perfect replacements!
Jim
October 14, 2018
Bought these for my 00 Suburban and they are perfect replacements for the OEM coils. Arrived quickly and, with the assistance of the 1A videos, install was a breeze. Solved my constant misfire issues - couldn't be happier!
Product review
M
October 22, 2018
Purchased ignition coils for 2001 Sierra. Parts came within 3 days of order would recommend using 1aauto to friends and family
Tune up
B
November 23, 2018
The coils and spark plug wire were a good match and are on the truck working as the should . I am happy with the sale price I got .. they are a good value
Happy customer
R
December 7, 2018
I called 1A to order the parts for out truck, the customer service representative was very friendly and helpful. The parts came in and all were the correct.The prices are great as I shopped around before ordering and they are very reasonable compared to my local auto parts stores.
Perfect
Edgar
December 22, 2018
Works perfect and real cheap better then actual store in our city
Works as advertised
C
February 3, 2019
Low price and good service from 1aauto. The coil packs took care of the miss in my 2002 Suburban.
Great and fast customer service
Vakeela
February 21, 2019
My experience was fast and correct! I will use them again in the future.
Excellent!!
M
February 21, 2019
The coil packs I purchased through 1a auto were of great quality. I am a female and have learned almost everything from watching the videos that 1a auto have to offer they are a great way to get info that I know nothing about. I am mechanically inclined but the videos always teach me something I wouldnt have known. I recommend 1a auto all the way!!!! Btw customer service is awesome as well. I ordered the wrong parts and they were fast and friendly and gave me all the info I needed to return the part no problems I had the info within 1 minute of hanging up the phone with them. I highly recommend this company!! Thanks for all yalls help!!! Sincerely!
Better than great!!
M
March 25, 2019
I was sceptical about buying auto parts online but after reading all the good reviews I can see why this company is rated #1. The parts were reasonably priced and arrived on the date that I was give !! I will definitely use this company again!!! 5??????????
Good fit
Roger
November 23, 2019
I was thankful that everything fit into place and seems to be working fine. Thank you.
WINNER OF $500 1A Auto Gift Card
Z
December 2, 2019
I ordered this product and it actually cam 1 day early!
They sent me an email as soon as the package was dropped at my front door. Good Quality parts also!
Adrenaline, Power,Desire.
Andronik
January 9, 2020
Its good to have new engine parts!
Great customer service
R
April 3, 2020
Nice selection of parts very nice customer service representatives
Shipping confusing and inaccurate
W
May 7, 2020
I ordered my parts on 4/16 I received some of them within a few days, the others took 3 weeks. By the time I received the other part of my package, I had to purchase the parts from a local store. One part was the wrong one. Want be ordering from this company again
The best
F
August 13, 2020
Hi I writing this review to let the customer know of my great experience with 1a auto. I have had problem with my truck and with the help of 1a auto my truck is running great
Complete satisfied
Michael
September 23, 2020
I have been getting parts for my car and pick up truck. Every time I need a part for my vehicles they have all the parts I need at a very good price get delivered to me quicker than I anticipate and are a perfect fit. Absolutely the best place to get parts
Fit like a glove
Ron
February 17, 2021
I had some issues with misfire in multiple cylinders. I have a 20-year-old truck and I started by buying these to replace the original parts. I then bought new spark plug wires and new spark plugs and now my truck is running like new. Excellent product.
Just as advertised.
Michael
March 2, 2021
I ordered these to replace my factory coil packs. My 2000 Sierra had 349k miles. I figured it was time for some new parts. The new parts bolted on just fine and were a factory replacement. Parts were packaged individually to keep from damaging during shipment. Looking forward to hopefully some mpg gains. Highly recommend
not OEM...not worth it
G
March 16, 2021
love A1 auto and what they do they do well. However this aftermarket coil set is not good. First time not buying OEM Delphi or AC Delco and it bit me. Lasted almost a year but never were very strong. I have run all the tests and diag all systems and they all check out except the coil. PO300 code and the adventure started. Really sucks I paid 200 and now another 300 but lesson learned! 5 stars for A1 Auto, zero chinesium coil.
TRQ Coils ICA61495
Micheal
April 30, 2021
Easy to install and work great , at a great price
Working so far...
david
May 3, 2021
Ordered as economical replacement for my 8 coils in my 2004 Tahoe.
Working so far
Dorian
June 29, 2021
Easy to install and great price
Kevin
November 16, 2021
Works great...thanks
All thumbs up
Roy
December 15, 2021
Fit my truck perfectly and great quality to match.
So far so good
Brad
January 13, 2022
So far so good. But I havent put any real miles on the truck. Maybe about 20 miles in much smoother idle for a over 300,000 mile truck with factory ignition coils. Ill check back in later and see. Site was advising square based on vin code but I had circle. Just down Le check before ordering
Misfire, with on code
Micah
January 24, 2022
Was having problem with misfire with no code took a chance on ordering these. They came in the mail on time. Installation went very quick. Problem solved no more misfire under load very satisfied would recommend this product if you're having a misfire not knowing what the problem is.
Great product
donald
February 25, 2022
Parts fit perfect.
Ignition coils
Jermaine
March 24, 2023
These are not good they had my engine shaking it keeps throwing codes if going to replace use ac/Delco save yourself the headache
Bad coils, barely spark and cause misfiring
Andrew
April 4, 2023
I replaced my original coils myself in my 02 chevy tahoe with these back in october, and 3 months later i started getting a pretty rough idle which i thought was a vacuum leak at first. Three months after that and it began to throw multiple misfire codes so I took it to my mechanic who ran compression test, injectors, and then tested the coils. They replaced one coil which immediately fixed the p0303 code, and then found that there was so much resistance in these coils that they were barely putting out enough to make a spark. I wont be purchasing from this company again in the future. Save your money on these and whatever else it would cost for your mechanic in labor for diagnosing.
Helped it run like it should!
Lon
April 26, 2023
Made a great difference in the performance of my Silverado tell everyone 2004 K2500 HD. Getting our rooms very smooth. Should have done it sooner!
Ignition coil
KEVIN
November 7, 2023
I literally just finished installing the ignition coils in my truck today and I check my email to find this review. Excellent product would highly recommend them for the price.
Runs great.
Russell
November 25, 2023
Perfect fit.
Customer Q&A
Is this the equivalent of the d585?June 17, 2019
John K
10
1A Auto's house brand parts are manufactured by various aftermarket companies specifically for us and built to your vehicle's exact OEM specifications.
June 17, 2019
Christa R
10
Yes,they are the same ignition just with different numbers. Haven't had no problems with mines so far.
June 17, 2019
Greg S
Customer service
877-844-3393
Monday - Friday 8:00am - 9:30pm ET Saturday - Sunday 8:00am - 4:30pm ET
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