ACDELCO 12681660 Iridium Spark Plug 41-109 808709616368 Gm
( Brand: Acdelco ), ( Part Type: Plug ), ( Core Material: Iridium ), ( Thread Size: M14x1.25 ), ( Vehicle Service Type: Car ), ( UPC: 808709616368 ), ( Oem Equivalent Part Number: 12622561 ), ( Model Number: 41-109 ), ( Unit Count: 1.0 Count ), ( Included Components: Spark Plug ), ( Item Type Name: Iridium Plugs Gm, Iridium Plugs Gm ), ( Customer S: 4.9/5 ), ( Automotive Fit Type: Vehicle Specific Fit ), ( Country Of Origin: United States )
Review ACDELCO Original Equipment Iridium Spark Plug
The **ACDelco 808709616368 GM 41-109 (12681660) Iridium Spark Plug** is a high-performance, precision-engineered ignition component designed to deliver exceptional reliability, efficiency, and longevity for General Motors (GM) vehicles equipped with the LS-series engines, including models like the Chevrolet Camaro, Corvette, Silverado, and GMC Sierra, among others. Engineered with ACDelco s signature quality and backed by GM s trusted brand, this spark plug features a **double-iridium construction**, combining a fine-wire iridium center electrode with a copper core for optimal heat dissipation and spark stability. The **0.040-inch electrode diameter** ensures a consistent, strong spark even under demanding conditions, reducing misfires and improving cold-start performance, particularly in high-compression or turbocharged applications. The **resistor tip** minimizes radio frequency interference (RFI), reducing electromagnetic noise that could disrupt vehicle electronics, while the **heat range of 41-109** strikes an ideal balance between durability and performance, preventing fouling in high-performance or high-mileage engines while maintaining efficient combustion. Constructed from **high-quality nickel alloy**, the plug s ground electrode is precision-machined for a smooth, even gap, promoting cleaner combustion and reducing carbon buildup. The **threaded design** is fully compatible with GM s LS engine specifications, ensuring a secure, leak-free fit with the cylinder head, while the **copper core** enhances thermal conductivity, preventing overheating and extending the plug s service life often lasting **up to 100,000 miles** or more under normal driving conditions. Ideal for both OEM replacement and performance upgrades, this spark plug is a cost-effective solution for drivers seeking improved fuel efficiency, smoother acceleration, and reduced emissions, all while maintaining the reliability expected from a GM-approved component. Whether installed in a daily driver or a high-performance street or track vehicle, the ACDelco 808709616368 GM 41-109 spark plug delivers the precision and durability needed to keep engines running at their peak.
### **Pros and Cons of buying a ACDelco 808709616368 GM 41-109 (12681660) Iridium Spark Plug**
#### **Pros:**1. **OEM Quality** ACDelco is a trusted brand under General Motors, meaning these plugs are designed to meet or exceed factory specifications for GM vehicles. This ensures compatibility and reliability.
2. **Iridium Construction** Iridium spark plugs are known for their durability, longer lifespan, and improved performance compared to standard platinum or copper plugs. The iridium center electrode resists wear, reducing the need for frequent replacements.
3. **Better Fuel Efficiency** Iridium plugs provide a more precise spark, leading to more complete combustion. This can improve fuel economy and reduce emissions over time.
4. **Smoother Engine Performance** The refined spark and heat range help prevent misfires, which can lead to a smoother idle, better acceleration, and reduced engine knocking.
5. **Longer Service Life** Compared to standard plugs, iridium plugs typically last 60,000 100,000 miles, depending on driving conditions, which can save money in the long run.
6. **Compatibility with Modern Engines** GM vehicles, especially those with direct injection or turbocharged engines, benefit from the precise spark and heat range of these plugs.
7. **Warranty Coverage** ACDelco often provides warranties, offering some assurance against defects in materials or workmanship.
#### **Cons:**1. **Higher Upfront Cost** Iridium plugs are more expensive than standard copper or platinum plugs. While they last longer, the initial purchase price may be a deterrent for budget-conscious buyers.
2. **Potential Overkill for Older or Low-Mileage Vehicles** If your vehicle has very low mileage or is older, the extended lifespan of iridium plugs may not be fully utilized, making them less cost-effective in the short term.
3. **Installation Complexity** Some vehicles, especially those with direct injection, may require careful installation to avoid damaging the spark plug threads or sealing surfaces. Improper installation can lead to leaks or misfires.
4. **Limited Availability in Some Regions** While widely available, ACDelco parts may not be as easily accessible in rural or less developed areas compared to generic brands.
5. **Not Always Necessary for Basic Maintenance** If your vehicle runs perfectly with standard plugs and you re not experiencing performance issues, upgrading to iridium may not provide noticeable benefits.
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### **Conclusion:**The **ACDelco 808709616368 GM 41-109 (12681660) Iridium Spark Plug** is a high-quality, reliable choice for GM vehicles, particularly those with modern engines, direct injection, or turbocharging. The iridium construction offers significant advantages in longevity, performance, and fuel efficiency, making it a worthwhile investment for long-term use. However, the higher cost may not justify the upgrade for vehicles with very low mileage or those that already perform well with standard plugs.
If you re experiencing misfires, poor fuel economy, or are due for a routine maintenance interval, upgrading to these iridium plugs is a strong recommendation. For older or high-mileage vehicles where performance isn t an issue, a standard platinum or copper plug may be a more cost-effective alternative.
### **Final Recommendation:** **Buy the ACDelco Iridium spark plug if:**- You own a GM vehicle (especially with direct injection or turbocharging).
- You want improved performance, fuel efficiency, and longevity.
- You re willing to invest in a higher-quality part for long-term reliability.
**Consider alternatives if:**- Your vehicle has very low mileage and runs well with standard plugs.
- You re on a tight budget and can t justify the higher upfront cost.
- You re unsure about installation and prefer a simpler, lower-cost option.
Details:
One piece suppressor seal helps block radio frequencies that can affect vehicle electronics. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. ACDelco GM Original Equipment 41-109 12681660 Iridium Spark Plug: FREE AND FAST SHIPPING!: About this item: offers excellent engine idle stability and smooth performance.
GM regularly updates production and service part designs to integrate new materials technologies Show more. 24/7 live chat available. Iridium fine-wire electrode helps burn away carbon deposits on the tip of plug as they form. Iridium allows for small, efficient electrode designs reliable cold starting and quick acceleration.
part #: 41109 prices
- $48.00-$72.27
specifications replacefaceplat:
- brand: Acdelco
- part type: Plug
- core material: Iridium
- thread size: M14x1.25
- vehicle service type: Car
- upc: 808709616368
- oem equivalent part number: 12622561
- model number: 41-109
- unit count: 1.0 Count
- included components: Spark Plug
- item type name: Iridium Plugs Gm, Iridium Plugs Gm
- customer s: 4.9/5
- automotive fit type: Vehicle Specific Fit
- country of origin: United States
seller replacefaceplat:
- city: Tampa, Florida
- # reviews: 840
- rating: 99.5%
shipping replacefaceplat:
- service: Expedited
- class: Expedited
- cost: $0.00
- type: Fixed
- transit: 3-5 Days
general replacefaceplat:
- condition: New
- Vehicle Electronics GPS > Car Electronics Accessories > Replacement Faceplates
returns replacefaceplat:
- time: 30 Days
- method: Money back
- policy: Returns Accepted
- paid by: Seller
offer replacefaceplat:
- quantity: 1
- availability: In Stock
- started: April 25, 2026
- options: Ship-to-home
- sold: 0
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