







⚡ Ignite your drive with Autolite’s double platinum edge!
Autolite APP3923 Double Platinum Spark Plugs (4 Pack) feature a necked-down center electrode for faster ignition, platinum-to-platinum firing for enhanced durability, and a Yttrium-enhanced ground electrode for superior heat management. Designed with a high nickel alloy side electrode to maintain precise gap and minimize erosion, these plugs ensure longer life and reliable performance. Backed by Autolite’s trusted legacy since 1936, they deliver OE-quality replacement for smoother starts and quicker acceleration.


| Manufacturer | FRAM |
| Brand | Autolite Iridium Ultra |
| Model | Double Platinum Spark Plug |
| Product Dimensions | 8.59 x 10.16 x 2.54 cm; 199.58 g |
| Item model number | APP3923-4PK |
| Exterior | Chrome |
| Manufacturer Part Number | APP3923-4PK |
| Position | Center |
| Item Weight | 200 g |
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!
A**R
Excellent product
Excellent quality. Fast delivery
M**P
Fit perfect. Car ran way better.
They fit perfect and worked great. Gap was perfect. Got rid of my misfire.
B**S
Perfect
Great fit, seem to work like a spark plug
C**K
Great spark plugs good price
Verify your gap on plugs as I never trust the gap always verify it for your car. Good quality price is lower than plugs at the auto parts store. Easy to install, so far I have had great performance with these plug. Plugs are durable and last just do correct gap to plugs.
Trustpilot
1 month ago
5 days ago
1 month ago
5 days ago