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Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack)
Details
- BrandAutolite Ultra
- Core MaterialIridium
- Gap Size0.6 months
- Top Material TypeNickel
- Vehicle Service TypeUTV
Description
⚡ Ignite Performance, Slash Fuel Waste, Own the Road!
- FUEL SMART IGNITION - 0.6mm iridium finewire tip with laser welding ensures precise sparks that optimize every drop of fuel.
- LIFETIME CONFIDENCE - Limited lifetime warranty means you’re covered for the long haul—upgrade your ride with zero compromise.
- PRECISION POWER BOOST - V-trimmed ground electrode and platinum protection sharpen ignition for smoother starts and peak engine output.
- ENDURANCE THAT OUTLASTS - Engineered to deliver up to 100,000 miles of reliable performance—drive longer, worry less.
- TRUSTED LEGACY MODERN TECH - Backed by Autolite’s 80+ years of expertise, combining heritage reliability with cutting-edge innovation.
Autolite Iridium XP spark plugs feature a durable iridium finewire center electrode and platinum-protected ground wire, engineered for up to 100,000 miles of optimal ignition performance. Designed for all vehicle types, these plugs enhance fuel efficiency and engine power, backed by a limited lifetime warranty and over 80 years of trusted Autolite innovation.
Specifications
| Brand | Autolite Iridium Ultra |
| Core Material | Iridium |
| Gap Size | 0.6 months |
| Top Material Type | Nickel |
| Vehicle Service Type | UTV |
| Global Trade Identification Number | 00009100044358 |
| UPC | 009100044358 |
| Manufacturer | FRAM |
| Model | XP3924-4PK |
| Item Weight | 7 ounces |
| Product Dimensions | 3.38 x 4 x 1 inches |
| Country of Origin | Mexico |
| Item model number | XP3924-4PK |
| Is Discontinued By Manufacturer | No |
| Exterior | Chrome |
| Manufacturer Part Number | XP3924-4PK |
| Special Features | Finewire design, Limited Lifetime Warranty |
Have a Question? See What Others Asked
Reviews
****
Too early to say for sure, but these seem like quality iridium tipped plugs
A friend recently helped me install these on a ‘13 Toyota Yaris and although the og plugs still had the vehicle running quite smoothly, it was decided to go ahead and replace the plugs and serpentine belt since the vehicle was at around 100k miles. These replacement plugs by autolite definitely appear to be of similar quality. Not sure if they’ll easily go 100k mi’s like the original plugs but will definitely update this review if they end up only lasting around 50k miles or so.
D**S
Excelente precio calidad.
Excelente calidad de fabricación y lejos mejor que las marcas alemanas.
E**M
Exactly what I needed, make sure you check your spark gap before installing.
Exactly what I expected. You will need to gap the spark plugs as I'm sure they fit multiple applications. Mine were for my 2007 Prius.
A**C
They spark.
They're spark plugs, theywork, they were easy to install, improved our gas mileage (replaced plugs with 125k miles).
C**B
Bien
Excelente
R**H
Ordered for a 5.9L 360CID
Exactly the right plug ordered for my 5.9L V-8 and thought it was a set of plugs for my motor since that’s what I put in when they showed up there was 4 plugs for a 8 cylinder engine after going back to the order it did say qty 4 must have over looked that and thought what a great price. Lol. Ordered again so I could change them all. Fit great worked great
K**R
Time for plugs!
My 2004 Corolla lost a coil recently and a little while later started sputtering a bit under acceleration. I checked and noticed the old plugs had been in for160,000 miles. I replaced them and restored the cars performance.
J**K
Already 13k
Miles with these sparks plugs and due is soon. I always replaced them between 10-15K miles. I am sure there are more life left on these plugs. Great products.
Common Questions
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