TRQ spark plugs are a perfect modern tune-up. TRQ spark plugs are manufactured to precise heat range specifications to optimize each vehicle’s ignition system. The TRQ iridium line of plugs will ensure 60,000 miles of uncompromised vehicle performance and fuel economy. Every plug includes a resistor to ensure no electromagnetic interference with your other electronics. 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
Iridium Tip: Provides 25% longer life compared to platinum plugs
Heat Range Tested: Ensures like-new engine performance
Item Condition:New
Attention California Customers:
WARNING: This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is 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.
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How To Replace Spark Plugs 2007-13 Chevy Avalanche
How to Replace Spark Plugs 2000-14 Chevy Suburban 1500
How to Replace Spark Plugs 2000-09 GMC Yukon
How to Replace Spark Plugs 2000-09 GMC Yukon
How to Replace Spark Plugs 2007-14 GMC Sierra 3500HD
How To Replace Spark Plug 2002-2009 Chevrolet Trailblazer
Created on:
Tools used
Air Blow Gun
Torque Wrench
Flat Blade Screwdriver
Spark Plug Gapping Tool
5/8 Inch Spark Plug Socket
Ratchet
Trim Tool Set
Tools used
Socket Extensions
Torque Wrench
5/8 Inch Spark Plug Socket
Ratchet
1. Removing the Spark Plug
Make sure the engine is cold
Grab and work the boot off of the spark plug
Clean off any dirt on the end of the plug
Remove the spark plug with a 5/8 spark plug socket
2. Installing the Spark Plug
Insert the spark plug into the spark plug socket
Tighten the spark plug without cross-threading it
Torque the spark plug to 11 foot-pounds
Press on the spark plug boot
These are where your spark plugs are on this 2009 Chevy Suburban. It's the rearmost one of the driver's side. We have four in each side. One, two, three, four. We go over to the passenger's side. This one is a little bit trickier to get to. It's in the way, way back. We've got back there, one here, one here, and one here. It'll be just enough room to get it. We're going to show you how to replace one on the driver's side front. This procedure is going to be the same for all of them. It just might take a little more maneuvering to get to the other side.
I'm going to give this a little turn, and then you don't want to pull on the wire. All you've got to do is work it off of the electrode and of the spark plug. It's usually on there pretty tight. I should also mention that you should do this when the engine is cold because we're right next to the exhaust manifold. Just put this to the side. You should do these one at a time.
Spark plug is down here in the head. I'm just going to take some compressed air. Just blow around the spark plug. If you don't have that, it's okay. Just be careful. Maybe take a brush. You just don't want anything falling down into the cylinder when you open up the spark plug hold. These spark plugs are going to take a five-eighths socket. You want to get a spark plug socket. This is a regular five-eighths socket. If you put a spark plug in here, it's real, real loose, and you can turn it while you're trying to install it. The spark plug is going to fall out.
A spark plug specific socket has a rubber insert to grab on to the foursome part of the spark plug so when you put it in here, it seats. You can go to install it. It's not going to fall out and the same when you're using it to remove old spark plugs. You can lift them out of the engine and they won't fall down. We're going to use a three-eighths drive and my five-eighths spark plug socket. It should be on there.
Take my ratchet. You're going to remove it. These are only torqued to eleven foot-pounds, so it shouldn't take much effort to get them out. Once it starts to get loose, you can remove the ratchet. We just use our fingers to spin it out. As you remove it, the spark plug socket is going to hold it in place so if you need to move it around, you're not going to drop it.
So you can see this is our old spark plug and this is our new one from 1AAuto.com. Their threads are the same length. A single electrode. These are going to work great and give you nice performance on your vehicle.
Take our new spark plug and put it into our spark plug socket. Carefully place it into a spark plug opening. Sometimes if you go backwards, it helps you find the threads and then you can spin it forward to go in. It should go in very, very easily. If it feels like it's cross-threading, you should stop and make sure that it's going in nice and straight. Okay. Now that you've got it hand-tight, we're going to torque it to eleven foot-pounds.
The spark plug torque can reinstall our spark plug boot. Just push it on as hard as you can and just check that it's seated.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
Tools used
Dielectric Grease
Torque Wrench
Socket Extensions
Air Compressor
5/8 Inch Spark Plug Socket
You can move these heater hoses out of the way, just pull them out of the bracket and slide them to the side. Take the wire off the spark plug. You can twist it a little bit. It might help. And then try to pull it off. It's a good idea not to pull on the wire itself. Just try to pull on the base and you can slide this out of the way.
Before we take the spark plug out, just take a little compressed air and just blow around the plug. There may be some sand in there or dirt or debris, get that out of the way. And take a spark plug socket. It's a 5/8 spark plug socket. And you can use and an extension and take the spark plug out. And slide the old spark plug out.
Take the new spark plug. Put in the spark plug socket. And then gently, feed it over to where the hole is and just by hand, screw it in. And we can torque that to 11 foot-pounds.
You can always put a little bit of dielectric grease in there and then slide this over the spark plug. Make sure you lock it in place. And you do the same with the other ones. And move these heater hoses, put them back in the bracket.
Tools used
Dielectric Grease
Torque Wrench
Socket Extensions
Air Compressor
5/8 Inch Spark Plug Socket
You can move these heater hoses out of the way, just pull them out of the bracket and slide them to the side. Take the wire off the spark plug. You can twist it a little bit. It might help. And then try to pull it off. It's a good idea not to pull on the wire itself. Just try to pull on the base and you can slide this out of the way.
Before we take the spark plug out, just take a little compressed air and just blow around the plug. There may be some sand in there or dirt or debris, get that out of the way. And take a spark plug socket. It's a 5/8 spark plug socket. And you can use and an extension and take the spark plug out. And slide the old spark plug out.
Take the new spark plug. Put in the spark plug socket. And then gently, feed it over to where the hole is and just by hand, screw it in. And we can torque that to 11 foot-pounds.
You can always put a little bit of dielectric grease in there and then slide this over the spark plug. Make sure you lock it in place. And you do the same with the other ones. And move these heater hoses, put them back in the bracket.
Tools used
Torque Wrench
Ratchet Strap
Air Compressor
5/8 Inch Spark Plug Socket
Tools used
Dielectric Grease
Torque Wrench
Phillips Head Screwdriver
Spark Plug Gapping Tool
10mm Socket
5/8 Inch Spark Plug Socket
Trim Tool Set
SPA02136
In Stock
Product Reviews
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5.00/ 5.07
7 reviews
5 Stars
4 Stars
3 Stars
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1 Star
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Thank you I feel very good to make busines with you
susan
December 12, 2021
My car wen I turn ignition stars perfect
New plugs look and burn good
Danny
July 10, 2022
Fit and looked like originals. I apparently have other reasons for the misfire code but this is only the second set of plugs in 268k miles so they were overdue anyway.
Purchased with ignition coils kit
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Daniel
February 22, 2023
Great value for the money. I had to readjust the gap of two plugs but overall they were set to specifications.
They perform as well as original.
Sue
May 18, 2023
Performs as well as factory original plugs. A good mantiance replacement part for my '04 Chevrolet silverado 5.3 with 206000 showing on the odometer. Have used several TRQ parts with no issues.
Awesome
franco
May 31, 2023
Easy fix and great parts
2003 Chevy avalanche fix
Paul
October 2, 2023
After 20 years and only 92000 miles she was due for a tune up. Was glad I picked the TRQ brand spark plugs. After installing them and taking her for a test drive. I would definitely recommend these spark plug and would buy them again. My truck drives like she was new again
Dewayne
November 19, 2023
Everything perfect
Customer Q&A
are these gapped for an 09 Siearra?March 21, 2022
Doug Kelly K
10
Yes, these will come as being pregapped.
March 21, 2022
Emma F
Do these come pre gapped for all models?October 5, 2022
John D
10
Yes, these should be pre gapped.
October 5, 2022
Kelly S
Do these fit 6.0?February 22, 2023
John D
10
Thank you for your inquiry! Can you provide us with your vehicle's year make and model?
February 22, 2023
Jean O
What are they pre gapped at?November 4, 2023
Shawn G
10
We do not have the pre-gapped specification available. We would suggest double checking the gap prior to install to ensure they were not affected during shipping.
November 6, 2023
Jessica D
Customer service
877-844-3393
Monday - Friday 8:00am - 9:30pm ET Saturday - Sunday 8:00am - 4:30pm ET
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