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⚡ Ignite your drive with Autolite’s double platinum power!
Autolite APP3923 Double Platinum Spark Plugs feature a necked-down center electrode and platinum-to-platinum firing design for faster, cleaner ignition and superior durability. Enhanced with a Yttrium ground electrode and high nickel alloy side electrode, they maintain precise gaps to reduce erosion and misfires. Trusted since 1936, these plugs deliver reliable, high-performance starts and acceleration for cars and trucks, backed by a 5-year limited warranty.
| ASIN | B076C8XXW4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #210,442 in Automotive ( See Top 100 in Automotive ) #1,216 in Automotive Replacement Spark Plugs |
| Brand | Autolite Iridium Ultra |
| Brand Name | Autolite Iridium Ultra |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Platinum |
| Customer Reviews | 4.6 out of 5 stars 820 Reviews |
| Global Trade Identification Number | 00009100002358 |
| Included Components | Platinum Spark Plug |
| Item Type Name | Double Platinum Spark Plug |
| Item Weight | 7.04 ounces |
| Manufacturer | FRAM |
| Manufacturer Part Number | APP3923-4PK |
| Manufacturer Warranty Description | Manufacturer |
| Model Number | APP3923-4PK |
| OEM Equivalent Part Number | APP3923-4PK |
| Thread Size | 5/8 inches |
| Top Material Type | Nickel |
| UPC | 009100002358 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car, Truck |
D**E
Make sure you gap them!
Decent plugs for the price, but make sure you gap them! Gas milage seems good. They don't come pre-gapped. I Assumed they did and threw them in the Audi A4 as i couldn't find my gap tool. The car started, idled and drove fine but stuttered badly when hard accelerating. I pulled the plugs, checked the pre-set gap and they were well over spec. Decreased the gap and now drives perfect. I'm used to the pre-gapped auto parts store plugs out the box, my bad. Overall good plugs as long as you keep that in mind. Too early to tell how long/how well they'll perform.
J**.
Quality Part.
Exact fit, works great.
D**Y
Autolite at a good price
good plugs for a good price, they work as they should
M**Y
WORKED LIKE NEW PLUGS SHOULD! GREAT VALUE!
These were perfect! Will buy again! but... don't get me started on what a piece of crap the 2004 Dodge Stratus is when it comes to retrieving the broken old sparkplug down in the valve cover hole. Thank god the ceramic didn't break! Crisis averted! Ha Ha Ha! Love our NEW plugs!
N**N
Good
Good product
A**L
all good
all good
T**Y
Works well
Works well
A**5
Good value 3 weeks later
Replaced plugs and ignition coil on a 13’ chevy volt 3 weeks ago. Bought a gapper from amazon and gapped all 4 prior to install. My previous plugs had oil leaking into them from the ignition coils and my catalyst high efficiency error code went away after replacing both. Hopefully they last long
M**M
Perfect
Used this full set to replace all 4 spark plugs on a 2000 VW Jetta 2.0L Real good performance from them so far.
L**N
Exlente me funcionó muy bien
Me funcionó muy bien aun las tengo usando no tengo foto por tonto no le tome pero me llego bien ya las tengo instaladas y funcionado bien. Saludos
D**D
Excellent produit.
Très bien adapté pour que le moteur tourne rond.
D**O
Had issues installing on a Chevrolet Cruze 1.4L
Title. These are not really made for Chevrolet, some people on the internet claim these work great but TBH I had better results with Iridium plugs. Plus, they are gapped at like 40 - 45, so be prepared to regap them by a lot.
A**R
Excellent product
Excellent quality. Fast delivery
Trustpilot
3 weeks ago
2 weeks ago