Specs are compiled from manufacturer listings and verified buyer reviews and can change over time — please confirm the key details on the product page before buying.
If your engine is shuddering at a red light or flashing a misfire code, the fix is usually a fresh set of coils — and the right set depends entirely on which engine sits under your hood. A coil pack built for a Nissan V8 will not bolt into a Honda four-cylinder, and a Chevy truck coil set is a different animal again. That fitment match matters more than any brand badge, because a coil that does not match your engine’s connector and mounting will not deliver the spark you paid for.
This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.
Below you will find three coil sets sorted by the engines they actually fit, plus what owners say about installation and long-term reliability. The trick to buying the right coil pack is matching the OE part number to your engine before you order.
Top Picks
How To Choose The Best X4XZ Coil Pack
An ignition coil is a small transformer that steps up your battery’s low voltage into the thousands of volts needed to jump the spark plug gap. When it fails, you feel it: the engine stumbles, idles rough, and the check-engine light starts blinking. Buying the wrong one is the most common mistake, and it costs you a return trip and a weekend in the driveway.
Match the OE number before you match the brand
Every coil carries an OE number — a manufacturer code stamped on the original part. The UF677 and UF650 pairing in one of the picks below covers the front and rear banks of the Nissan Armada and Infiniti QX80 V8 separately, and mixing them up is a real risk. Cross-check your old coil’s number against the listing’s replace list before you click buy. If the numbers do not line up, the connector will not seat properly even if the coil looks identical.
Bank position matters on V-shaped engines
On a V8, the coils on each side of the engine can be different parts. The Armada and QX80 set here ships four front-bank coils and four rear-bank coils as distinct pieces, which is why it carries two OE numbers instead of one. A set that lists only one code for a V8 is worth a second look at your engine’s layout.
Coils and plugs wear together
A tired spark plug strains the coil that feeds it, and a weak coil fouls a fresh plug. Buying them as a bundle saves you a second teardown. Two of the sets here include double iridium plugs, and one adds spark plug wires too — worth it if your existing wires are original and cracked.
Side-by-Side Comparison
| Model | Best For | Coils Included | Plugs / Wires | Item Weight | Amazon |
|---|---|---|---|---|---|
| UF677 & UF650 Ignition Coils Pack★ Best Overall | 2017–2023 Nissan Armada and Infiniti QX80 V8 | 8 (4 front, 4 rear) | Coils only | 3.6 pounds | Amazon |
| UF602 Ignition Coil & 97390 Spark Plug | Honda and Acura 2.4L four-cylinders | 4 | 4 double iridium plugs | 1.07 kg | Amazon |
| UF262 Coils, Plugs & Wires | Chevy and GMC trucks with the 5.3L or 6.0L | 8 | 8 plugs + 8 wires | 7.9 pounds | Amazon |
Detailed Reviews
1. UF677 & UF650 Ignition Coils Pack
Our pick — 4.5+★ from 750+ verified ratings; the strongest balance of quality and price.
Eight coils, split into front and rear banks, so both sides of your V8 get sorted in one order.
This is the set for anyone running a 2017–2023 Nissan Armada V8 5.6L or a 2014–2023 Infiniti QX80 V8 5.6L. It also covers the earlier 2011–2013 QX56 V8 across cylinders 1 to 8. What makes the kit worth its spot is the split: four front-bank coils to the UF650 spec and four rear-bank coils to the UF677 spec, shipped separately because your engine uses different parts on each side. You get all eight in one box at 3.6 pounds, so the whole job is one order instead of two guesses.
What wins people over here is build quality, and it is the thing buyers bring up more than anything else. The stainless-steel spring inside carries an internal ferrite noise suppressor — a small magnetic core that cuts radio-frequency interference so your stereo does not buzz through the coil’s high-voltage spike. The thermoplastic connector is shaped to resist fractures from heat cycling, which is the slow cracking that kills cheaper coils over a few winters. Owners also rate the value side of this kit highly, and several note it matches the original equipment part closely enough to be a direct swap. Fit is the next thing you hear about most, and the install comes up as quick work — as the review pages put it, “it takes just 5 minutes to replace.”
The honest catch is simple: this kit is coils only. There are no spark plugs in the box and no instruction manual either, so if your plugs are original you are buying them separately. The 1-year manufacturer service covers installation and quality problems, with 24-hour customer support behind it. Bolt-on installation means no wiring to cut. Just unclip, unbolt, reseat.
Where this set earns its keep
- Front and rear bank coils in one kit for the Armada and QX80 V8
- Stainless-steel spring with a ferrite noise suppressor to keep radio interference down
- 3.6 pounds total for all eight front and rear bank coils
- Bolt-on install, no splicing or wiring changes
- 1-year manufacturer service with 24-hour support
What you should know going in
- No spark plugs or instruction manual included
- Vehicle-specific: wrong for anything outside the listed Armada, QX80 and QX56 years
Right call for: Armada or QX80 owners chasing a misfire across both banks who want all eight coils in a single order.
Look elsewhere if: you need plugs bundled in — the Honda and Chevy sets below both include them.
2. UF602 Ignition Coil & 97390 Spark Plug
Four coils and four double iridium plugs in one box, sized for Honda’s 2.4L four-cylinder.
If you drive a 2008–2012 Honda Accord 2.4L, a 2010–2014 CR-V 2.4L, or a 2012–2015 Civic SI 2.4L, this kit is built for your engine bay. The 2012–2015 Crosstour 2.4L and the 2013–2015 Acura ILX 2.4L are on the list too. The quieter advantage is the pairing: four UF602 coils matched to four 97390 double iridium plugs, so the spark side and the coil side get refreshed in the same sitting. The plugs are rated for 100000 kilometers, so they stay out of mind for years.
Iridium on both the center and ground electrodes is what earns that 100000-kilometer rating, holding a consistent spark as the miles stack up. Under the coil boot sits the same stainless-steel spring and ferrite noise suppressor used across this brand’s range, keeping the radio clean while the coil steps voltage up to the plug. Buyers report better fuel economy and a smoother, quieter idle after the swap.
Here is the trade-off, stated plainly: this is the only set of the three where the long-term record splits. Some of these run for a very long stretch, while a few report one failing inside a week — which sounds like an early-life defect rather than a wear pattern, and the 1-year manufacturer service is the backstop for exactly that. Check the second product picture for your exact model year before ordering, because 2.4L Honda fitment changed across those years.
The fit-and-value read: four coils plus four double iridium plugs, vehicle-specific to Honda and Acura 2.4L engines, with a 1-year manufacturer service behind it.
The one thing to verify: the 2010–2014 CR-V and 2012–2015 Civic SI boundaries are strict — a car one model year outside them is the wrong application.
Buy this one when: your Honda or Acura 2.4L is due for both coils and plugs and you want to do the job once.
Think twice if: you drive a V6 or a 1.8L — this kit is the 2.4L application only.
3. UF262 Ignition Coils Pack
The full ignition refresh for a Chevy or GMC truck — eight coils, eight plugs, eight wires.
Count the parts and this one stops being a coil set and starts being a job. You get eight UF262 coils, eight 41962 iridium plugs, eight 748UU spark plug wires, and six wire buckles to keep the routing tidy. At 7.9 pounds it is a much heavier box than the 3.6-pound Armada kit, and that gap is exactly what you would expect from three component sets in one shipment instead of one.
The truck coverage runs wide: 1999–2006 Silverado 1500, 2001–2006 Silverado 2500 HD, 2000–2006 Tahoe and Suburban, plus GMC Sierra, Yukon, Savana and the 2003–2006 Hummer H2 6.0L. The 748UU wires are silicone rubber, chosen for heat resistance and insulation so the high voltage stays inside the wire instead of leaking out and causing a miss. The iridium plugs carry the same 100000-kilometer working-life figure as the Honda set. Owners rate the wires as good quality and the fit as spot-on, with the engine settling into a smooth, like-new idle after the swap. The red wire color dressing up the engine bay comes up as a small bonus too.
Is the size a problem? Only if you are not replacing all three parts. If your wires are already fresh, you are paying for hardware you will store in a drawer. The 1-year manufacturer service covers the whole kit, and the six included buckles keep the wires routed apart to avoid cross-firing.
Count the parts, then decide: 8 coils, 8 iridium plugs, 8 silicone wires and 6 buckles is a complete ignition service in one parcel for 5.3L and 6.0L Chevy and GMC trucks.
The honest limit: it is the heaviest and most extensive set here, so it only pays off when all three parts actually need changing.
Reach for this if: you own an older Silverado, Sierra, Tahoe or H2 and want the coils, plugs and wires done in one garage session.
Hold off if: your plug wires are recent — the Honda set covers coils and plugs without the extra wiring.
Know the Specs
OE part number and interchange list
OE stands for original equipment — the code the carmaker stamped on the part that came out of the factory. A coil listing will show a replace list of several numbers because one coil design often serves many models and years. Reading that list is your proof of fit: find your old coil’s number in it, and you know the connector and mounting will line up. When a listing shows two OE numbers, as the Armada and QX80 set does, that usually means the engine uses different coils on the front and rear banks.
Double iridium plugs and the 100000-kilometer figure
Iridium is a hard precious metal used on the plug electrode because it resists erosion from millions of sparks. A “double iridium” plug uses it on both the center and ground electrodes, which is why the sets here list a working life of 100000 kilometers. In plain terms, that is the interval over which the plug should keep firing consistently before it needs replacing. Pairing fresh plugs with fresh coils matters because a worn plug puts extra load on the coil feeding it.
Ferrite noise suppressor and radio interference
An ignition coil pushes out a sharp high-voltage spike every time it fires, and that spike can radiate as radio-frequency noise. A ferrite core inside the coil’s spring absorbs that energy, which is why you see the noise suppressor listed alongside the stainless-steel spring. Without it, weak AM stations and audio can pick up a tick that rises and falls with engine speed. It is a small internal part that makes a noticeable difference to what you hear in the cabin.
Spark plug wires and insulation
On engines that use plug wires rather than coil-on-plug, the wire has to carry the full coil voltage without leaking it to the engine block. Silicone rubber insulation is used because it holds up to engine-bay heat and keeps the charge contained. A cracked or aged wire causes a misfire that feels a lot like a bad coil, so replacing both together removes the guesswork. That is the reasoning behind the Chevy and GMC set bundling coils, plugs and wires as one job.
Common Questions
How do I know which X4XZ coil pack fits my engine?
Why does a V8 need different coils for the front and rear bank?
Does a failed coil always throw a check-engine light?
Should I replace spark plugs at the same time as the coils?
How long does an ignition coil replacement take?
Do these coil packs come with a warranty?
What is the difference between a coil pack and a spark plug wire?
Can I install these coils myself without a mechanic?
What does the ferrite noise suppressor in these coils actually do?
The Bottom Line
For most owners chasing a misfire, the x4xz coil pack to start with is the UF677 & UF650 kit, because it ships all eight front and rear bank coils for the Armada and QX80 V8 in one parcel at 3.6 pounds with a 1-year service behind it. If your Honda or Acura 2.4L needs plugs as well, the UF602 set bundles four coils and four double iridium plugs rated for 100000 kilometers. And for an older Chevy or GMC truck due a full ignition refresh, the UF262 kit is the one to reach for, with eight coils, eight plugs, eight silicone wires and six buckles in the box. Line up the OE number first, and the rest is a wrench and an afternoon.
How we choose
We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.
Sources
Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of November 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.
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