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⚡ Ignite your drive with NGK’s precision spark wire set — because every millisecond counts!
The NGK (9160) RC-ZE21 Spark Plug Wire Set features 4 coil lead wires with variable pitch winding for ultra-low resistance and superior EMI/RFI noise suppression. Its high-temp silicone jacket withstands extreme underhood temperatures up to 482°F, resisting moisture, oil, and cracking. Color-coded and numbered wires with corrosion-resistant stainless steel terminals ensure easy, secure installation and vibration resistance. Designed to meet stringent OEM standards, this wire set delivers reliable ignition performance, durability, and fuel efficiency for cars and trucks.
| Asin | B000IY8OLU |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #126,800 in Automotive (See Top 100 in Automotive) #30 in Car Ignition Cables |
| Brand Name | NGK |
| Compatible With Vehicle Type | Car, Truck |
| Customer Reviews | 4.8 4.8 out of 5 stars (860) 4.8 out of 5 stars |
| Global Trade Identification Number | 00087295091609 |
| Included Components | 4 Wires (Coil Lead N/R) |
| Item Type Name | Spark Plug Wire Set |
| Item Weight | 0.01 Ounces |
| Manufacturer | NGK |
| Manufacturer Part Number | RC-ZE21 |
| Model Number | 9160 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Oem Equivalent Part Number | 8bbg-18-140, 8bk1-18-140a, fs01-18-140, fsd7-18-140b, kl47-18-140c |
| Unit Count | 1 Count |
| Upc | 087295091609 |
User
Quality Spark Plug Wires that Do the Job
These replaced a set of wires that had been on the our 1997 Miata for almost 15 years. I also replaced the plugs. As you would expect, there was an immediate improvement in how the engine ran. I've read complaints about the quality of the connectors. Mine all clicked when they went on, and after a week of driving, the remain tightly on plugs and coil. Visually, they appear to be of very high quality. You can buy cheaper wires, but these appear to be heavy duty and I expect that they will be on the car for some time.
User
Quality NGK Wires
Nice wire set. Easy to install on my 2000 Miata SE and looks good too. Goes nicely with new NGK spark plugs.
User
Does NOT FIT, leads to short, was supposed to fit Mazda 626 2000
Was advertised to fit a Mazda 626 2000 2.0lt, but several of the leads are to short, so the set is useless
User
An instant spark..!
The airbag light on a 1994 Mazda MX5 MK1 intermittently illuminated. Not ideal if you wish to sell the car, let alone get it through an MOT. I changed the spark plugs, replaced the air filter, and replaced the old(ish) ignition leads with these RC-ZE21's. Success! Turn ignition to on, airbag warning illuminates (as it should) and remains OFF. The vehicle starts faster, feels better & hopefully will sell!
User
Fits mx5 '99
Works like a charm, easy install. It's authentic NGK and so far works great on my NB miata. Will update if there's anything but I don't have any doubts of the product.
Trustpilot
3 days ago
2 weeks ago