






⚡ Ignite your drive with Autolite’s double platinum power!
Autolite APP5363 Double Platinum Spark Plugs feature a necked-down center electrode and platinum-to-platinum firing for faster ignition and superior durability. Enhanced with a Yttrium ground electrode and high nickel alloy side electrode, these plugs maintain precise gaps and resist erosion, delivering reliable performance and longer life. Trusted since 1936, they offer universal fitment for cars and trucks, backed by a 5-year limited warranty.





| Brand | Autolite Iridium Ultra |
| Core Material | Platinum |
| Thread Size | 14mm |
| Top Material Type | Nickel |
| Vehicle Service Type | Car, Truck |
| Global Trade Identification Number | 00009100268341 |
| Automotive Fit Type | Universal Fit |
| UPC | 009100268341 |
| Manufacturer | Autolite |
| Model | APP5363-4PK |
| Item Weight | 7.4 ounces |
| Product Dimensions | 3.38 x 4 x 1 inches |
| Item model number | APP5363-4PK |
| Exterior | Machined |
| Manufacturer Part Number | APP5363-4PK |
| Position | Center |
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