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DK
Reviewed in the United States on February 22, 2025
At first I was a bit concerned about the different languages on the box, that they might be counterfeit. Then I found out that ACdelco is made in different countries also. Beside that, they work fine on my 2013 sierra.
Rick Machiele
Reviewed in the United States on September 30, 2024
Your 4.8, 5.3 and 6.0 are race engines. These engines rely on constant adjustments from multiple modules and sensors. The constants that the ECM relies upon are things like spark plug performance at exactly factory performance levels.Sure, some aftermarket plugs and wires perform just fine. But, in my book, why roll the dice.Also, do not discard nor damage the factory heat shields. They are reusable and very important if you want your new wires to last. Use a line pliers to grab the plug wire at the top of the boot and pry on the exhaust manifold after twisting the plug wire left to right and right to left a few times to help loosen the old wires.Last tip; buy a 1" extension OR put a socket on the back of your spark plug wrench if you want to change plug #8. Or...you will curse like a drunken sailor with terrets syndrome.Now, go bust some knuckles!
Adam Norton
Reviewed in the United States on July 16, 2024
Fits the 5.3 perfect
monina_found_a_deal
Reviewed in the United States on July 14, 2024
Read a prior post from “Rob” that indicated these cables (9748uu) were comparable to the 748uu that my suburban called for and decided to try them out. I also checked EBay and their site indicated that these cables would fit just fine.They fit perfectly on my 2011 Chevy Suburban 1500 LS (5.3L). Great value! Give them a shot!
brian sjogren
Reviewed in the United States on June 24, 2024
Fit perfect great quality
Rob
Reviewed in the United States on May 14, 2024
Installed on 2013 gmc yukon, lots of confusion and limited information online about these 9748uu oem wires. My yukon called for 748uu wires, the reference guide in listing said these wouldnt work with 2013 yukon but i decided to try em anyway since they were way cheaper than the original 748uu. They were the exact same wire and worked perfect.
Don Babcock
Reviewed in the United States on March 8, 2024
Perfect fit, came with enough dielectric grease to do a good job. Truck has more power and response with new plugs and wires. Even iridium plugs lose punch after 60,000 miles. Highly recommend.
RG
Reviewed in the United States on November 26, 2024
As per an earlier review they worked on my older model, it’s a 2009 5.3. Order at your own risk, just saying it worked fine and didn’t cost $150 (the part number for the older models has changed and price went through the roof).
David G
Reviewed in Canada on March 3, 2021
Works Great.Just like Oem.Price is fair.Recommended
Bob C.
Reviewed in Canada on February 16, 2020
This set is well made and easy to install. They work great on my truck.
Mr D
Reviewed in Canada on December 29, 2020
Work like a charm...great price!!
Scott
Reviewed in Canada on August 23, 2019
Great wires. Identical to the OEM wires that came on my 2011 GMC Sierra 5.3 L. Perfect fit and work great. Came on time and in good condition.
Tom W.
Reviewed in Canada on November 18, 2019
Perfect fit and excellent quality
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