AUTOLITE IRIDIUM ULTRA Spark Plugs 009100004161 4-PACK 458

( Brand: Autolite Iridium Ultra ), ( Part Type: Spark Plug ), ( UPC: 009100004161 )

Review AUTOLITE IRIDIUM ULTRA 4-pack 458 Spark Plugs

Introducing the Autolite Iridium Ultra 009100004161 4-pack of 458 spark plugs, engineered to deliver exceptional performance and reliability for your vehicle. These iridium tipped spark plugs are specifically designed for gasoline engines, providing a longer service life and improved ignition efficiency compared to traditional copper or nickel plugs.

Each plug in this 4-pack comes equipped with a fine-grained iridium tip, which offers superior heat conductivity and resistance to melting and fouling. The result is a more reliable and consistent spark, leading to smoother engine operation and improved fuel efficiency.

The Autolite Iridium Ultra spark plugs also feature a tapered electrode design, which helps to reduce misfires and prevent pre-ignition. The tapered electrode design also allows for a more uniform combustion process, which can lead to increased power output and reduced emissions.

Additionally, these plugs have a platinum center electrode, which provides an extra layer of durability and resistance to wear. This makes the Autolite Iridium Ultra spark plugs an excellent choice for high-performance vehicles or those that see heavy use.

Installing these spark plugs is a straightforward process, and they are compatible with most gasoline engines that require a 458 series spark plug. The Autolite Iridium Ultra spark plugs are also designed to meet or exceed OEM specifications, ensuring a proper fit and reliable performance.

In summary, the Autolite Iridium Ultra 009100004161 4-pack of 458 spark plugs represents an excellent investment for any vehicle owner looking to improve engine performance, reliability, and fuel efficiency. With their fine-grained iridium tips, tapered electrode design, and platinum center electrode, these spark plugs offer superior heat conductivity, resistance to fouling, and durability, making them a top choice for both everyday driving and high-performance applications.

Autolite Iridium Ultra 009100004161 4-Pack 458 Spark Plugs: Pros, Cons, and Conclusion

The Autolite Iridium Ultra 009100004161 4-Pack 458 Spark Plugs are a popular choice among vehicle owners due to their iridium construction and advanced features. In this analysis, we will discuss the pros, cons, and a concluding recommendation.

1. Iridium Construction: Iridium is a precious metal that offers excellent durability and longevity. These spark plugs are constructed using iridium, ensuring a longer lifespan compared to copper or platinum spark plugs.

2. Improved Fuel Efficiency: The Autolite Iridium Ultra spark plugs are designed to provide better combustion efficiency. This results in improved fuel economy and reduced emissions.

3. Enhanced Performance: The iridium construction and advanced design allow for quicker ignition and a stronger spark. This can lead to improved engine performance and power output.

4. Suitable for Various Vehicle Types: These spark plugs are suitable for a wide range of vehicles, including both gasoline and diesel engines.

5. Easy Installation: The Autolite Iridium Ultra spark plugs are designed with a tapered thread design, making them easy to install and remove.

1. Higher Cost: Compared to copper or platinum spark plugs, the Autolite Iridium Ultra spark plugs are more expensive.

2. Not Ideal for Older Vehicles: While these spark plugs offer numerous benefits, they may not be the best choice for older vehicles that do not require the high performance and advanced features they offer.

3. Potential for Overheating: Since iridium spark plugs conduct heat more efficiently than their counterparts, there is a risk of overheating if the cooling system is not functioning properly.

The Autolite Iridium Ultra 009100004161 4-Pack 458 Spark Plugs offer several advantages, including improved durability, fuel efficiency, performance, and suitability for various vehicle types. However, they also come with a higher cost and potential issues related to overheating.

In conclusion, if you own a modern vehicle and are looking for long-lasting, high-performance spark plugs, the Autolite Iridium Ultra spark plugs could be an excellent choice. However, if you drive an older vehicle or are on a tight budget, you may want to consider other options.

Based on the pros and cons discussed above, it is recommended that vehicle owners with modern vehicles and a desire for improved performance, longevity, and fuel efficiency consider the Autolite Iridium Ultra 009100004161 4-Pack 458 Spark Plugs. For those with older vehicles or budget constraints, alternative spark plug options may be more suitable.

Details:

Thread Size: 14 millimeters. UPC: Copper core improves resistance to fouling. Vehicle Service Type: Car, Truck.

Material: Nickel, Type: Standard, Projection: Non-Projected. Is Discontinued By Manufacturer: No. Model: 4 pack Autolite Copper Core 458 Spark Plug. Manufacturer: Autolite.

Core Material: Nickel. Automotive Fit Type: Vehicle Specific. Top Material Type: Nickel. Position: Front, Rear.

Genuine Autolite replacement part. 4-Pack Autolite 458 Spark Plugs: Brand: Iridium Ultra.

specifications vintaequip:

• brand: Autolite Iridium Ultra
• part type: Spark Plug
• upc: 009100004161

offer vintaequip:

• quantity: 2
• sold: 0
• started: December 30, 2025
• options: Ship-to-home
• availability: In Stock

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• city: Huntington beach, CA

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general vintaequip:

• condition: New
• Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Antique Vintage Equipment Parts

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