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Item #:
251435102
ACDelco GM Original Equipment 41-109 (12681660) Iridium Spark Plug
88% of respondents would recommend this to a friend
Item #:
251435102
XPF 2097
Price Details
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Imported from USA store
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Order now and get it around Saturday, October 03
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Iridium Spark Plugs are engineered to offer excellent engine idling stability and a smooth performance.
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What Stands Out
Genuine Quality
ACDelco's iridium spark plugs offer original equipment quality, ensuring optimal performance and longevity for your GM vehicle, addressing common ignition issues effectively.
Enhanced Ignition
With advanced iridium technology, these spark plugs provide improved fuel efficiency and smoother acceleration, reducing misfires and maintaining engine performance under tough conditions.
Durable Design
Constructed for endurance, the ACDelco 41-109 spark plugs resist wear from high temperatures, delivering reliable performance and reducing the need for frequent replacements, showcasing great value for car owners.
Product Details
| Brand Name | ACDelco |
| Manufacturer Part Number | 12681660 |
| Number of Items | 1 |
| UPC | 808709616368 |
| Unit Count | 1 Count |
| OEM Equivalent Part Number | 12622561 |
| Included Components | Spark Plug |
| Item Type Name | Iridium Plugs - GM,Iridium Plugs - GM |
| Manufacturer | ACDelco |
| Model Number | 41-109 |
| Thread Size | M14x1.25 |
| Compatible with Vehicle Type | Car |
| Automotive Fit Type | Vehicle Specific Fit |
| Core Material | Iridium |
| Top Material Type | Iridium |
| Brand | ACDelco |
| Vehicle Service Type | Car |
| Item Weight | 0.3 lbs (140 grams) |
Who Should Buy?
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Daily Drivers
Ideal for individuals using their vehicles regularly; offers reliable performance and longevity for everyday driving conditions.
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Performance Enthusiasts
Great choice for car enthusiasts seeking enhanced engine performance and efficiency, especially in Chevrolet and GM vehicles.
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Maintenance Seekers
Perfect for users focused on regular vehicle maintenance; promotes better fuel efficiency and reduced emissions with proper upkeep.
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Budget Shoppers
Not suitable for individuals prioritizing cost over quality; cheaper spark plugs may be more alignment with their budget needs.
Product Description
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Customer Questions & Answers
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Question:
What are the benefits of using ACDelco GM Original Equipment 41-109 Iridium Spark Plugs?
Answer: The ACDelco GM Original Equipment 41-109 Iridium Spark Plug enhances engine performance, fuel efficiency, and longevity. Iridium is a premium material known for its excellent conductivity and resistance to wear, ensuring a strong spark that ignites fuel efficiently. This is particularly important for modern engines with higher compression ratios. When installed, these plugs help to maintain optimal combustion, leading to better throttle response, lower emissions, and improved overall engine health, making them ideal for both daily drivers and performance vehicles. -
Question:
How often should ACDelco GM Original Equipment 41-109 Iridium Spark Plugs be replaced?
Answer: ACDelco recommends replacing iridium spark plugs like the 41-109 approximately every 100,000 miles under normal driving conditions, as they are designed for long life. Factors such as driving style, engine type, and maintenance can affect this interval. Regular inspection is also useful as it can help identify any irregularities like fouling or wear. For those who frequently drive in harsh conditions or high-performance scenarios, more frequent checks are advisable to ensure optimal engine performance. -
Question:
Can I install ACDelco GM Original Equipment 41-109 Iridium Spark Plugs myself?
Answer: Yes, installing the ACDelco GM Original Equipment 41-109 Iridium Spark Plugs can be a DIY task for those with basic automotive knowledge. The process typically involves removing the ignition coils or wires and replacing the old plugs with the new ones. However, it's crucial to ensure proper torque specifications are followed to achieve a good seal without damaging the components. If you're unfamiliar with engine maintenance, consulting a professional mechanic may be beneficial to avoid potential issues. -
Question:
What vehicles are compatible with ACDelco GM Original Equipment 41-109 Iridium Spark Plugs?
Answer: ACDelco GM Original Equipment 41-109 Iridium Spark Plugs are specifically designed for a wide range of vehicles, particularly those manufactured by General Motors. These plugs fit various models within brands like Chevrolet, GMC, and Cadillac. Before purchase, it's essential to check your vehicle's specifications in the owner's manual or consult with an automotive professional to confirm compatibility, ensuring the plugs will perform optimally with your engine's design. -
Question:
What should I know about the installation torque for ACDelco GM Original Equipment 41-109 Iridium Spark Plugs?
Answer: Proper installation torque is vital when fitting ACDelco GM Original Equipment 41-109 Iridium Spark Plugs to ensure a secure fit and optimal performance. Typically, the torque specification for iridium spark plugs ranges from 15 to 30 lb-ft, depending on your vehicle's engine. Exceeding the recommended torque can strip the threads or damage the plug, while insufficient torque may lead to poor sealing and miss firing. Always refer to your vehicle’s service manual for precise requirements. -
Question:
What can cause premature wear of ACDelco GM Original Equipment 41-109 Iridium Spark Plugs?
Answer: Premature wear of ACDelco GM Original Equipment 41-109 Iridium Spark Plugs can result from several factors, including engine overheating, poor air-fuel mixture, or using low-quality fuel. Contaminants like oil or carbon deposits can also contribute to fouling and reduced performance. Regular engine maintenance, including air filter changes and fuel system cleanings, can help to mitigate these issues, ensuring your spark plugs perform at their best for as long as possible. -
Question:
How do ACDelco GM Original Equipment 41-109 Iridium Spark Plugs compare to traditional copper spark plugs?
Answer: ACDelco GM Original Equipment 41-109 Iridium Spark Plugs significantly outperform traditional copper spark plugs. While copper plugs typically last around 30,000 miles, iridium plugs can endure up to 100,000 miles thanks to the durability of iridium. This longevity translates into less frequent replacements and enhanced efficiency. Iridium plugs provide a more stable spark and better ignition performance, particularly under high-stress conditions, making them a preferred choice for modern engines. -
Question:
Are ACDelco GM Original Equipment 41-109 Iridium Spark Plugs suitable for high-performance engines?
Answer: Absolutely, ACDelco GM Original Equipment 41-109 Iridium Spark Plugs are suitable for high-performance engines. Their design allows for superior heat dissipation and improved ignition characteristics, essential for engines under increased stress or output. The iridium tip facilitates a stronger and more consistent spark, which is critical in high-performance scenarios. Many enthusiasts and motorsport participants choose these plugs to enhance engine performance and ensure reliability during competition and demanding driving conditions. -
Question:
What is the difference between ACDelco GM Original Equipment 41-109 and other spark plugs on the market?
Answer: The ACDelco GM Original Equipment 41-109 Iridium Spark Plugs stand out due to their high-quality materials and engineering tailored for specific GM vehicles. Unlike generic spark plugs, these are designed to match GM’s stringent performance standards, offering improved ignition efficiency and engine performance. Their iridium construction provides added durability and longevity compared to standard alloy plugs, making them a reliable choice for drivers who prioritize performance and maintenance intervals. -
Question:
Where can I buy ACDelco GM Original Equipment 41-109 Iridium Spark Plug?
Answer: You can buy the ACDelco GM Original Equipment 41-109 Iridium Spark Plug from Ubuy in Wallis and Futuna Islands. Ubuy offers a wide selection of automotive parts, including high-quality spark plugs, ensuring you receive the exact product you need for your vehicle. With easy navigation and user-friendly service, finding and purchasing your ACDelco spark plugs becomes a straightforward task.
ACDelco Spark Plugs 41-109 Editorial Review
ACDelco GM Original Equipment 41-109 (12681660) Iridium Spark Plug is designed specifically for optimal performance in your vehicle, ensuring improved engine function. Made with high-quality iridium core material, these spark plugs provide excellent durability and stability. Customers have praised them for making a noticeable difference in their vehicle's performance, with several mentioning significant improvements after installation. The plugs fit perfectly, with accurate gap specifications, reflecting the attention to detail that ACDelco is known for. Many users highlight that these plugs outperform cheaper alternatives, providing peace of mind as a dependable OEM part.
Customer Reviews & Ratings
512 customers ratings
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5 Star
86%
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4 Star
9%
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3 Star
2%
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2 Star
1%
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1 Star
2%
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Pros
- High-quality iridium core for durability
- Designed for specific vehicle fit
- Improved engine performance reported
- Accurate gap specifications
- User-friendly installation process
Cons
- May not be the cheapest option available
Platform Trust & Buyer Confidence
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9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
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XPF 2097
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Features & Benefits
- Engineered for excellent engine idling stability.
- Delivers a smooth and efficient performance.
- One-piece suppressor seal blocks harmful radio frequencies.
- Designed for long electrode life and minimal combustion leakage.
- Pure copper core ensures durability and superior fouling resistance.
- Advanced materials enhance spark characteristics and voltage efficiency.
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