| ACDELCO 41813 Specifications |
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| Approximate Resistor Value (k ohms) | 2-20k ohms | | Center Electrode Core Material | Copper | | Center Electrode Tip Material | Platinum | | Ground Configuration | Standard | | Ground Electrode Tip Design | Standard | | Hex Size (IN) | 13/16 | | Pre-Gap Size (MM) | 0.86 | | Reach (mm) | 19.05 | | Seat Type | Gasket |
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ACDelco Platinum Rapidfire® Spark Plugs are designed for everyday use and are a high quality replacement ideal for many vehicles on the road today. These spark plugs have high-quality suppressors that help prevent misfiring, an optimized plug to boot seal, and a pure copper core for great durability.
Features & Benefits:
- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot seal
- Fits engines that run conventional plugs, as well as newer vehicles that require platinum plugs
 Which ACDELCO Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
 |
★ |
★ |
|
Platinum Rapidfire
 |
★★ |
★★ |
★★ |
Double Platinum
 |
★★★★ |
★★ |
★★ |
Iridium
 |
★★★ |
★★★★ |
★★★ |
ACDelco Quality ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
| GM ORIGINAL EQUIPMENT |
| GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors. |
| ACDELCO GOLD (PROFESSIONAL) |
| ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors. |
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| OEM / Interchange Numbers: APP605, APP65 |
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