Best Spark Plug Wire Sets of 2025

"I've been pleasantly surprised by the thickness of the wires compared to the OEM ones that failed. They are working great, and my truck isn't missing or chugging anymore. It was an easy fix, and I would definitely buy again!"

"After replacing all the OEM wires on my vehicle, I noticed these are considerably thicker and they have definitely resolved the misfire issues I was experiencing. The rough idle is gone, and for the price, the quality is fantastic!"

"The sleeves on these wires are thicker and longer than the OEM ones, which I really appreciate. They fit snugly but come off easily, and so far, they have been working great without any engine lights coming on."

"I have a 2008 Chevy Silverado 5.3 Flex Fuel. At 135K miles, it was time to replace the original plugs, wires, and belts. I chose NGK iridiums for their reliability. The installation was straightforward, with a firm fit at both ends. Amazon's price and delivery speed were impressive. For anyone tackling their first tune-up, I recommend being cautious when removing old plugs, especially using penetrating fluid if they’re stuck. Overall, do it right the first time to avoid costly mistakes!"

"I installed these wires on my 2007 Silverado 5.3 along with new plugs, and it runs great now. The fit is perfect, and I couldn't be happier with the performance!"

"I bought this product for 132 riyals, and it was a good deal for the price. However, shipping took a month and a half to arrive. I managed to install it on my 2000 Caprice, and it's working well."

"I recently bought a 2004 Tahoe Z71 and decided to replace the spark plug wires due to the high mileage from the previous owner. After reading various reviews, I chose these ACDelco wires. They not only fit perfectly but also looked great and performed even better than expected. I've noticed a smoother idle, and I'm sure the new spark plugs helped as well. I highly recommend these stock wires for their excellent performance and reasonable cost. Just a tip: make sure to use dielectric grease on the ends!"

"After replacing the spark plugs and wires in my Suburban, I've noticed a significant improvement in performance. It's like the vehicle is running even better than before, and I'm really pleased with the results."

"These wires fit my 2005 Silverado 2500HD perfectly. While they were slightly longer than the original equipment, I found that they put less strain on the connections. The price was also very reasonable compared to other options. Overall, I'm satisfied with the quality and performance of these wires."

"I think these wires are a fantastic value and the shipping was quick too. I haven't installed them yet, but I'm looking forward to it!"

"I replaced the wires on my 2002 Chevy Silverado 1500 Ext Cab because cylinders 8 and 3 had a misfire code. Now, the codes are gone and my engine is running and looking good!"

"After installing these wires, I had a misfire two weeks later. I switched back to the stock wires, and the misfire disappeared. I want a refund."

"These spark plug wires fitted perfectly and look great. They seem durable, and I appreciate that all the lengths are just right for each spark plug. They’re functioning as they should and seem fantastic for the price I paid."

"I was initially unsure about the price, but since these are for my winter beater, I can't complain. They look and feel solid, and are actually thicker than the OEM ACDelco wires I had. They fixed the misfire, and now my old burban runs and idles flawlessly."

"I found these wires to be just as good as the ones from the parts store, but at half the price. They fit great and my truck is running smooth again. Thank you!"

"I found the installation super easy for my Subaru. The numbered cables and perfect lengths made it a breeze. After putting them in, the engine ran much smoother compared to before. They feel chunky and substantial, and I appreciate the tight-fitting rubber boots on each end."

"These wires fit my Subaru perfectly, and installation was a breeze. They've performed beautifully so far. The striking blue color might be bold, but I think car tuners would appreciate it. I've always trusted NGK, and these wires have lived up to my expectations."

"I was dealing with a misfire in cylinder 4 on my 2008 Outback. After trying other wires that didn't work, I switched to the NGK FX101s and now it's running great. The cables were numbered, which made installation easier, and they fit securely to the spark plugs. I'm now a firm believer in sticking with NGK products for our Subarus."

"I installed these on my 2013 GMC Yukon, and despite some confusion online about the 9748uu OEM wires, they worked perfectly. I took a chance since they were much cheaper than the original 748uu wires, and I'm glad I did!"

"Based on another review, I decided to try these cables (9748uu) for my 2011 Chevy Suburban 1500 LS (5.3L). They fit just right and are a great value. I also checked eBay, and they indicated a proper fit, which they were!"

"This set of wires is well-constructed and very easy to install. They perform wonderfully on my truck and I'm really satisfied with my purchase!"

"I found these wires to be 1/3 the price compared to local stores!"

"After replacing the bad wires on my 1998 Chevy K1500, the stutter caused by cylinder misfire is finally gone!"

"These wires fit my 97 GMC K2500 perfectly and my truck runs way better now!"

"I found these wires to be great! They feel like they're silicone covered and are slightly thicker than the factory wires I replaced. Right after installation, my engine sounded smoother, and I noticed better gas mileage and throttle response. They fit my 96' Tacoma perfectly."

"Initially, I was a bit skeptical because some reviews mentioned the cables weren't long enough. However, when I received them, they were the perfect size. After replacing my old, dry wires, my 1997 4Runner runs smoothly now, and the misfiring issue is gone."

"I only use OEM parts for my Toyotas, but I decided to give these wires a try. They installed easily, and my truck runs well now. Just remember to mark the wires correctly, as they are only labeled for the coil pack side."

"I was puzzled by the compatibility warning, but these cables worked perfectly and resolved my spark issue on my Jeep. I would definitely buy them again!"

"These cables worked great, but the installation in my 2007 Jeep Wrangler was tough. The access to the ignition coils and spark plugs is really tricky, especially on one side. But overall, the cables performed well. I recommend buying them!"

"I replaced what seemed to be the original plug wires on my 2010 Jeep Wrangler. The engine was misfiring badly, and the old wires had almost fallen apart. These new wires fit perfectly and, along with changing the spark plugs and coil, my engine is now running smoothly. The installation took about 2 hours, including removing the old stuck plugs."