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- Denso Spark Plug Iridium Power - 5378
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Item #:
225286346
Denso Spark Plug Iridium Power - 5378
85% of respondents would recommend this to a friend
Item #:
225286346
USD 21
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Saturday, September 12
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What Stands Out
Iridium Center Electrode
The Denso 5378 features a superior iridium center electrode, offering enhanced durability and better performance under high temperatures, ensuring long-lasting functionality and optimal engine efficiency.
Improved Fuel Efficiency
Designed to minimize electrode erosion, this spark plug optimizes fuel combustion, leading to improved fuel efficiency and reduced emissions for a greener driving experience.
Easy Installation
With a user-friendly design, the Denso 5378 spark plug ensures quick and easy installation, making it accessible for all DIY enthusiasts and professional mechanics alike.
Product Details
| Brand Name | Denso |
| Manufacturer Part Number | IWF20 |
| Global Trade Identification Number | 00042511053786 |
| Number of Packs | 1 |
| Number of Items | 1 |
| UPC | 042511053786 |
| Unit Count | 1 Count |
| OEM Equivalent Part Number | 7554445, 9079320156, 9079END067, 9900069835BP6, 99906910X9008 |
| Included Components | Spark Plug Iridium Power |
| Item Weight | 1.6 ounces (45.36 grams) |
| Item Type Name | Spark Plug |
| Manufacturer | Denso |
| Model Number | IWF20 |
| Part Interchange Info | 5378 |
| Thread Size | 1.25mm |
| Compatible with Vehicle Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| Gap Size | 0.8 millimeters |
| Core Material | Iridium |
| Top Material Type | Nickel |
| Brand | Denso |
| Vehicle Service Type | Car, Truck |
Who Should Buy?
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Performance Enthusiasts
Ideal for users seeking enhanced engine performance and throttle response in high-performance vehicles.
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Long-Distance Drivers
Perfect for those who drive long miles, providing durability and longevity for extended trips and commutes.
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Fuel Efficiency Seekers
Attracts users aiming to improve fuel efficiency and reduce emissions due to advanced iridium technology.
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Budget-Conscious Buyers
May not suit individuals looking for economical options as it carries a higher price point than standard plugs.
Product Description
Denso Spark Plug Iridium Power - 5378
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Customer Questions & Answers
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Question: How to Shop Denso Spark Plug Iridium Power - 5378 Online From Ubuy?
Answer: It’s easy to shop Denso Spark Plug Iridium Power - 5378 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question: Is Denso Spark Plug Iridium Power - 5378 Available to Shop Online in British Virgin Islands?
Answer: Yes, at Ubuy British Virgin Islands this product is available for you to shop at a reasonable price. The Denso Spark Plug Iridium Power - 5378 is not available locally but you can trust us with our express shipping services. -
Question: How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Denso Spark Plugs IWF20 Editorial Review
The customer experience with this spark plug is overwhelmingly positive, showcasing substantial improvements in both performance and reliability compared to standard options. Users highlight significant benefits across various applications, including motorized bicycles and generators. Many report easier startups, with several stating that their engines start on the first pull, a notable upgrade from previous experiences with OEM products. The Consensus is that this spark plug enhances engine operation, making it run smoother and more efficiently. Customers appreciate its durability, with claims of longevity up to 3,000 or even 100,000 miles, suggesting that this product may last the entire lifespan of several devices without necessitating replacement. There's also an acknowledgment of the plug's quality, as multiple reviews suggest it outperforms standard counterparts like NGK plugs. While some users express skepticism about observable changes, attributing them to a possible placebo effect, the majority support the assertion that this spark plug delivers genuine improvements in functionality. Overall, the Denso spark plug is recommended repeatedly, cementing its reputation as a reliable option for both casual users and those seeking enhanced performance in more demanding engines. **
Customer Reviews & Ratings
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Pros
- Significant improvement in engine startup performance (first pull starts).
- Smoother engine operation cited by multiple users.
- High durability, with expectations of lasting thousands of hours/miles.
- Suitable for various applications including motorized bicycles and generators.
Cons
- Some uncertainty about observable improvements compared to OEM plugs led to comments on potential placebo effects.
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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USD 21
Order now and get it around Saturday, September 12
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