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Item #:
25989047
ACDelco GM Original Equipment 41-156 Iridium Spark Plug
89% of respondents would recommend this to a friend
Item #:
25989047
LKR 8732
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SPARK PLUG Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components. Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
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What Stands Out
High Performance
Designed for optimal performance, these iridium spark plugs deliver superior ignitability for improved engine efficiency and power output, ensuring your vehicle runs at its best.
Durable Construction
Manufactured with iridium, known for its exceptional durability, these spark plugs resist wear and extend service intervals, offering long-lasting performance for worry-free driving.
OEM Quality
As an original equipment manufacturer product, ACDelco spark plugs ensure perfect compatibility with your GM vehicle, providing peace of mind for dependable performance and reliability.
Product Details
- Designed and tested according to strict standards and supported by General Motors
- High quality replacement for many vehicles on today's road
- Iridium composition provides high melting point and excellent strength
- Wear resistance and durability for long-lasting performance
- Premium aftermarket replacement spark plugs designed to meet fit, shape, and functionality expectations
- Genuine OE parts manufactured or verified by General Motors for GM vehicles
| Brand Name | ACDelco |
| Manufacturer Part Number | 41-156 |
| Global Trade Identification Number | 40808709663247 |
| Number of Items | 1 |
| UPC | 808709663249 |
| Unit Count | 1 Count |
| OEM Equivalent Part Number | 12683541 |
| Included Components | 1 |
| Item Type Name | Iridium Spark Plugs |
| Manufacturer | ACDelco |
| Model Number | 41-156 |
| Thread Size | M14x1.25 |
| Compatible with Vehicle Type | Motorcycle |
| Automotive Fit Type | Vehicle Specific Fit |
| Core Material | Iridium |
| Top Material Type | iridium |
| Brand | ACDelco |
| Vehicle Service Type | Motorcycle |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
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Regular Vehicle Maintenance
Ideal for users who perform routine maintenance to maintain optimal engine performance and fuel efficiency.
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High-Performance Vehicles
Designed for drivers of high-performance vehicles needing reliable spark plugs for improved engine responsiveness.
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Long Driving Distances
Perfect for long-distance commuters seeking durability and longevity in spark plugs to reduce replacement frequency.
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Budget-Conscious Buyers
Users seeking cheaper alternatives may find ACDelco spark plugs more expensive than other basic options available.
Product Description
ACDelco GM Original Equipment 41-156 Iridium Spark Plug
About This Item
Upgrade your vehicle's ignition system with the ACDelco GM Original Equipment 41-156 Iridium Spark Plug. This spark plug is designed to deliver reliable performance and durability, ensuring that your vehicle starts up smoothly every time. The ACDelco GM Original Equipment 41-156 Iridium Spark Plug features an iridium tip, which provides exceptional spark efficiency and longevity. This means that you can expect improved fuel economy, reduced emissions, and overall better engine performance. With its OEM design, this spark plug is a direct replacement for your vehicle's original spark plug.
It is specifically engineered to meet GM's stringent standards, ensuring precise fitment and optimal performance. Whether you're a professional mechanic or a DIY enthusiast, installing the ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a breeze. Its simple plug-and-play design means you can easily replace your old spark plug without any hassle. Invest in the best for your vehicle's ignition system and choose the ACDelco GM Original Equipment 41-156 Iridium Spark Plug. Order yours today and experience the difference in performance and reliability.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the ACDelco GM Original Equipment 41-156 Iridium Spark Plug?
Answer: The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a premium spark plug designed for optimal performance in GM vehicles. It features iridium alloy, which enhances durability and provides a better spark, improving fuel efficiency and engine performance. This plug is engineered to meet stringent manufacturing standards, ensuring reliable ignition across various driving conditions, from city commuting to high-performance racing scenarios. -
Question:
What vehicles are compatible with the ACDelco GM Original Equipment 41-156 Iridium Spark Plug?
Answer: The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is compatible with a range of General Motors vehicles, including various models of Chevrolet, GMC, Buick, and Cadillac. It is essential to check your vehicle’s manual or consult a professional to confirm compatibility, ensuring that you select the right spark plug for your specific engine type and year for optimal performance. -
Question:
How does the iridium material improve spark plug performance?
Answer: Iridium is a precious metal known for its high melting point and excellent conductivity, making it ideal for spark plugs. The ACDelco GM Original Equipment 41-156 features an iridium center electrode that enhances ignition efficiency. This allows for a more powerful spark, leading to better fuel combustion and improved engine responsiveness, especially under heavy loads or acceleration conditions. -
Question:
How often should you replace the ACDelco GM Original Equipment 41-156 Iridium Spark Plug?
Answer: Replacement frequency for the ACDelco GM Original Equipment 41-156 Iridium Spark Plug can vary based on driving habits and conditions. Generally, these plugs are designed to last longer than standard ones, but it is advisable to check them every 30,000 to 100,000 miles. Regular inspection helps avoid misfires and ensures optimal engine performance, particularly in high-stress driving situations like towing or off-road driving. -
Question:
What are the benefits of using the ACDelco GM Original Equipment spark plugs?
Answer: Using the ACDelco GM Original Equipment spark plugs ensures that you are getting high-quality components designed specifically for GM vehicles. These plugs provide superior ignition potential, enhance fuel efficiency, and reduce engine emissions. This makes them an excellent choice for drivers looking to maintain their vehicle's health while optimizing engine performance and achieving better gas mileage. -
Question:
Can I use ACDelco GM Original Equipment spark plugs in non-GM vehicles?
Answer: While the ACDelco GM Original Equipment 41-156 Iridium Spark Plug is specifically designed for General Motors vehicles, technically, it can be used in non-GM vehicles if they have the same spark plug specifications. However, it is recommended to use spark plugs that the vehicle manufacturer specifies for optimal performance and longevity to avoid potential compatibility issues. -
Question:
What factors should I consider when purchasing spark plugs?
Answer: When purchasing spark plugs like the ACDelco GM Original Equipment 41-156, consider factors such as engine type, heat range, and the vehicle's intended usage. It's vital to select plugs that fit your specific model and driving needs. Additionally, examine construction materials; iridium plugs, for example, offer better performance and longevity compared to standard copper plugs, making them ideal for drivers looking for enhanced engine efficiency. -
Question:
What tools do I need to install the ACDelco GM Original Equipment 41-156 Iridium Spark Plug?
Answer: To install the ACDelco GM Original Equipment 41-156 Iridium Spark Plug, you will need basic tools such as a socket wrench, a torque wrench, and possibly a spark plug gap tool. Proper installation is critical, so ensure that you refer to your vehicle’s manual for specific torque specifications and gap measurements. Following these guidelines helps ensure the longevity and performance of both the spark plug and your engine. -
Question:
How can the ACDelco spark plug influence fuel efficiency?
Answer: The ACDelco GM Original Equipment 41-156 Iridium Spark Plug plays a crucial role in fuel efficiency by providing a reliable spark for optimal combustion. A precise ignition enables the engine to burn fuel more completely, reducing waste. This optimization is particularly significant during acceleration or driving through varied terrains, leading to improved mileage and reduced trips to the fuel station. -
Question:
Where can I buy ACDelco GM Original Equipment 41-156 Iridium Spark Plug?
Answer: You can buy the ACDelco GM Original Equipment 41-156 Iridium Spark Plug from Ubuy in Sri Lanka. They offer a vast selection of automotive parts, including this premium spark plug, ensuring that you can find what you need for your vehicle's maintenance and performance requirements.
ACDelco Spark Plugs 41-156 Editorial Review
The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a reliable option for your car. It is a single spark plug and not a set of four as some reviews may suggest. The plug has a 14mm socket size and is pre-gapped. It is recommended to refer to your car's manual for the correct gap size if you plan on using a different brand. Most spark plug manufacturers advise against using anti-seize compound. As for performance, the ACDelco spark plugs are similar to the factory plugs and are long-lasting. However, buyers should inspect the plugs before installation as some customers have reported receiving damaged or improperly gapped plugs. Overall, this spark plug provides good value for the price.
Customer Reviews & Ratings
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Pros
- Reliable option for your car
- Pre-gapped for convenience
- Long-lasting performance
Cons
- Some customers received damaged or improperly gapped plugs
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8 September 2026 · via Trustpilot
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LKR 8732
Order now and get it around Friday, October 09
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Features & Benefits
- Latest in spark plug technology
- Exact replacement for vehicle's original components
- High melting point and great strength
- Provides excellent wear resistance and durability
- Offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
- Designed, engineered and tested to rigorous standards
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