Autolite® AP5503 Spark Plug
Manufacturer #AP5503
Autolite® AP5503 Spark Plug
Manufacturer #AP5503
$12.14
$14.28
Save $2.14 (15%)
(28) In Stock
Get it between Thu, Aug 28 - Mon, Sep 01, 2025
This part does not fit your selected vehicle 2009 Rolls-Royce Phantom
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Only secure payments| SKU | ABAP5503 |
|---|---|
| Brand | Autolite® |
| Part Name | Spark Plug |
| Part | # AP5503 |
| Quantity Per Vehicle | 1 |
| Pack of | 1 |
| Condition | New |
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Acura
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Honda
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Mazda
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Nissan
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Saab
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Sterling
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Toyota
- Autolite AP5503 Platinum Spark Plug
- Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
| Center Electrode Core Material | Copper |
|---|---|
| Center Electrode Insulator Tip Projection (MM) | 3.38 |
| Center Electrode Insulator Tip Projection (IN) | 0.133 |
| Center Electrode Projection | Mid projection |
| Center Electrode Tip Material | Platinum |
| Core Nose Length (MM) | 10.13 |
| Core Nose Length (IN) | 0.399 |
| Electrical Terminal Type | Non-removable nut |
| Grade Type | Performance |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Electrode Tip Material | Nickel |
| Hex Size (IN) | 5/8 |
| Hex Type | Hex |
| Indexed | No |
| Insulator Height (IN) | 2.086 |
| Insulator Height (MM) | 52.98 |
| Insulator Material | Ceramic |
| Manufacturer Heat Range | 10 |
| Pre-Gap Size (IN) | 0.044 |
| Pre-Gap Size (MM) | 1.12 |
| Reach (IN) | 0.75 |
| Reach (MM) | 19.05 |
| Resistance (82) | 4000 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Thread Diameter (MM) | 14 |
| Washer Included | Yes |
| Washer Type | Crush |
Shipping Policy
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Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
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