Autolite Platinum Spark Plug - AP5503
SKU: SP121767
Part Number. AP5503
Platinum tipped center electrode delivers precision firing, reduced gap erosion, increased durability, and improved fuel efficiency over the life of the plug. Copper core improves resistance to fouling.
Part Number: AP5503
| Shell | |
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket |
| Reach | 19mm (3/4-Inch) |
| Hex Size | 5/8-Inch (16mm) |
| Terminal Type | Solid |
| Gap | .045-Inch (1.15mm) |
| Center Electrode | |
| Material | Platinum |
| Type | Necked Down |
| Projection | Projected |
| Ground Electrode | |
| Material | Nickel |
| Type | Standard |
| Quantity | 1 |
| Specifications | |
| Resistor | Yes |
| Resistor Value | 4k Ohm |
| Heat Range | 2 |
| Torque Specs | Cast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft. |
| Longevity | 50k miles |
Autolite Platinum Spark Plug - AP5503
$10.99
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