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- 4 New DENSO Iridium IK16 Spark Plugs # 5303
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Item #:
3853044
4 New DENSO Iridium IK16 Spark Plugs # 5303
86% of respondents would recommend this to a friend
Item #:
3853044
MVR 741
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 5 items left in stock.
Order now and get it around Wednesday, September 09
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DENSO is a top choice for global automakers with their commitment to quality, reliability, and longevity of their First Time Fit product line.
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What Stands Out
Exceptional Durability
DENSO iridium spark plugs last longer than standard plugs, providing reliable performance and reducing replacement frequency for enhanced engine efficiency.
Improved Fuel Efficiency
Designed for optimal combustion, these spark plugs enhance fuel efficiency, resulting in better mileage compared to competitors, saving money at the pump.
Easy Installation
The compact design and precise engineering ensure straightforward installation, allowing users to effortlessly upgrade their vehicle's ignition system with minimal tools.
Product Details
- 4 high-quality DENSO Iridium IK16 spark plugs (#5303) included in one order
- DENSO is a trusted and reputable automotive-component supplier with over 65 years of experience
- Used by top automakers worldwide, DENSO parts are known for their reliability and longevity
- Manufactured in QS9000 and ISO9000-certified factories for exceptional quality
- Easy installation with DENSO's First Time Fit product line
- Offers a wide range of premium automotive parts including oxygen sensors, A/C compressors, starters, and more
| Brand Name | Denso |
| Manufacturer Part Number | 5303 |
| Number of Items | 1 |
| UPC | 026521134574 042511530348 |
| Unit Count | 1 Count |
| OEM Equivalent Part Number | 0000-18-JE41, 003 159 67 03, 003 159 81 03, 18814-11051, 18826-11101, 21024005, 22401 AA65A, 22401-1P114, 27410-25000, 5614286, 90919-01164, 90919-01196, 90919-01197, 90919-01217 |
| Included Components | 5303 |
| Manufacturer | Denso |
| Model Number | FBA_IK16 |
| Thread Size | 14mm |
| Compatible with Vehicle Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| Core Material | Iridium |
| Top Material Type | Iridium |
| Brand | Denso |
| Vehicle Service Type | Car, Truck |
| Package Weight | 1.0 Pound |
Who Should Buy?
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Performance Seekers
Ideal for car enthusiasts wanting improved engine performance and efficiency from high-quality spark plugs.
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Frequent Drivers
Perfect for those who drive regularly, offering extended lifespan and reliable ignition for daily use.
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Fuel Economy Focused
Great for users looking to enhance fuel efficiency, providing better combustion and lower emissions.
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Budget Shoppers
Not suitable for those seeking the lowest-priced options, as they come with a higher cost for quality.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are DENSO Iridium IK16 Spark Plugs # 5303?
Answer: DENSO Iridium IK16 Spark Plugs # 5303 are high-performance spark plugs designed for optimal engine efficiency and durability. Utilizing iridium, these plugs provide a fine wire electrode that results in better ignition, improved fuel economy, and reduced emissions. Their engineering ensures a longer lifespan compared to traditional copper or platinum plugs, making them ideal for modern vehicles that require precise ignition timing for peak performance. -
Question:
How do DENSO Iridium IK16 Spark Plugs improve engine performance?
Answer: DENSO Iridium IK16 Spark Plugs enhance engine performance through superior ignition abilities. The iridium tip enables a higher melting point and allows for a more efficient spark, leading to quicker combustion in the engine. This translates to smoother acceleration, better throttle response, and masked finer tuning of the engine due to more reliable engine performance. Vehicles benefit greatly, especially in harsh operating conditions. -
Question:
Are DENSO Iridium IK16 Spark Plugs suitable for all vehicles?
Answer: DENSO Iridium IK16 Spark Plugs are designed for a range of vehicles, but they might not be compatible with all. It’s essential to check your vehicle's specifications, including the manufacturer’s recommendations for spark plug types and heat ranges. Make sure your engine requires iridium spark plugs and confirm the proper fitment before installation to ensure optimal performance and compatibility. -
Question:
How often should I replace my DENSO Iridium IK16 Spark Plugs?
Answer: DENSO Iridium IK16 Spark Plugs offer a longer lifespan than standard spark plugs, typically requiring replacement every 60,000 to 100,000 miles. However, various factors, such as vehicle usage, engine condition, and driving habits, can affect performance. Regular inspections during routine maintenance can help you identify when replacement is due, ensuring your engine runs smoothly and efficiently. -
Question:
Can I install DENSO Iridium IK16 Spark Plugs myself?
Answer: Yes, installing DENSO Iridium IK16 Spark Plugs can be a DIY project for those with basic mechanical skills. You'll need standard tools and should follow the vehicle's service manual for specific steps. Proper installation includes ensuring the spark plugs are torqued to manufacturer-specified settings and ensuring all electrical connections are secure. This ensures optimal performance and longevity. -
Question:
What benefits do iridium spark plugs have over copper spark plugs?
Answer: Iridium spark plugs, like the DENSO IK16, offer several advantages over traditional copper spark plugs. They have superior longevity, better performance under high temperatures, and require less voltage to produce a spark. These features lead to improved fuel efficiency, reduced misfires, and lower emissions. If you want enhanced performance, especially in high-performance or turbocharged engines, opt for iridium plugs. -
Question:
What vehicles are compatible with DENSO Iridium IK16 Spark Plugs?
Answer: DENSO Iridium IK16 Spark Plugs are compatible with a variety of vehicles, primarily those requiring an advanced spark plug for improved performance. Common applications include vehicles with 1.6L to 2.5L engines in various makes, such as Toyota, Honda, and Nissan. Always consult your owner's manual or DENSO’s compatibility chart to confirm fitment for your specific model. -
Question:
How do DENSO Iridium IK16 Spark Plugs affect fuel efficiency?
Answer: DENSO Iridium IK16 Spark Plugs enhance fuel efficiency by providing a stronger, more reliable spark that ignites the air-fuel mixture effectively. This ensures more complete combustion, which optimizes power output and reduces fuel wastage. As a result, you may notice better mileage and improved engine responsiveness, making your driving experience smoother and more economical. -
Question:
What are the signs that my spark plugs need replacement?
Answer: You may notice several signs indicating that DENSO Iridium IK16 Spark Plugs need replacement. Common indicators include engine misfires, difficulty starting, reduced acceleration, and decreased fuel efficiency. Visual inspection may reveal worn or fouled electrodes. If your engine is experiencing these issues, replacing the spark plugs can restore performance and reliability. -
Question:
Where can I buy 4 New DENSO Iridium IK16 Spark Plugs # 5303?
Answer: You can purchase 4 New DENSO Iridium IK16 Spark Plugs # 5303 from Ubuy in Maldives. Ubuy is a trusted e-commerce platform known for offering a wide range of automotive products, ensuring you find high-quality parts that are compatible with your vehicle.
Denso Spark Plugs FBA_IK16 Editorial Review
4 New DENSO Iridium IK16 Spark Plugs # 5303 are known for their excellent performance and longevity, making them a top choice for car and truck owners. Users have reported that their vehicles run better after installation, highlighting the quality of the iridium core material which contributes to improved engine efficiency. The plugs are designed for a specific fit for various vehicles, ensuring uncomplicated installation. Many appreciate that they come pre-gapped, which saves time and effort. Overall, these plugs are recognized as a reliable option comparable to OEM products, making them a smart investment for anyone looking to enhance their vehicle's performance.
Customer Reviews & Ratings
223 customers ratings
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5 Star
86%
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4 Star
7%
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3 Star
1%
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2 Star
1%
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1 Star
5%
Review this product
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Pros
- Excellent engine performance improvement
- Pre-gapped for easy installation
- Compatible with many vehicle types
- Iridium core ensures longevity
- Recommended by mechanics for reliability
Cons
- No noticeable change after short-term use
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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23 July 2026 · via Trustpilot
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MVR 741
Order now and get it around Wednesday, September 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 5 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- DENSO has $40 billion in annual sales and is a go-to for global automakers.
- Their QS9000 and ISO9000-certified factories ensure quality excellence.
- First Time Fit line includes essential parts like oxygen sensors, A/C compressors, and tire pressure monitoring sensors.
- Premium DENSO parts are designed for easy installation and a perfect fit.
- Their innovation throughout the years demonstrates their commitment to advancing products.
- Order 1 pack of DENSO Iridium Power Spark Plug #5303 and receive 4 pieces.
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