Ford
0 ratings
Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set
genuine image
Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set
Upgrade your vehicle's performance with a set of six spark plugs that enhance combustion efficiency, power output, and fuel efficiency.
Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set
Item #: 19530483

Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set

87% of respondents would recommend this to a friend

Item #: 19530483

WST 248

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Friday, October 02
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Upgrade your vehicle's performance with a set of six spark plugs that enhance combustion efficiency, power output, and fuel efficiency.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Enhanced Performance
Optimized for the Ford Flex 3.5L EcoBoost, this cold spark plug set increases engine efficiency, delivering better acceleration and overall performance compared to standard plugs.
Durable Construction
Designed with high-quality materials, these spark plugs offer superior heat resistance and longevity, ensuring reliable performance even in extreme driving conditions.
Easy Installation
Engineered for a perfect fit, this plug set simplifies the installation process, allowing for a quick upgrade without the need for specialized tools or professional assistance.

Product Details

Upgrade your Ford Flex 3.5L EcoBoost's performance with the Ford Racing M-12405-35T spark plug set. Get one heat range colder than stock plugs for improved power and efficiency. Sold in a set of 6 and gapped to .031. Shop now at Ubuy Samoa.
  • Designed for Ford Flex 3.5L EcoBoost engines from 2010 to 2017
  • Features an innovative three-layer structure for interior protection and style
  • Provides enhanced safety and comfort during daily rides
  • Includes a set of 6 cold spark plugs, each with one heat range colder than stock
  • Comes pre-gapped to .031 inches for easy installation
  • Ensures improved engine performance and efficiency
Brand NameFord
Manufacturer Part NumberM-12405-35T
Number of Items1
UPC756122008324
Unit Count1 Count
OEM Equivalent Part NumberM-12405-35T
Included ComponentsSpark Plugs
Item Type NameSpark Plugs
ManufacturerFord Racing
Model NumberM-12405-35T
Thread SizeM14x1.25
Compatible with Vehicle TypeCar
Automotive Fit TypeVehicle Specific Fit
Gap Size0.03 inches
Core MaterialCopper
Top Material TypeNickel
BrandFord
Vehicle Service TypeCar
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for users aiming to boost engine performance and enhance throttle response on their Ford Flex EcoBoost.

  • Racing Participants

    Suitable for individuals who participate in racing, requiring high-performance spark plugs for optimal vehicle efficiency.

  • DIY Mechanics

    Perfect for home mechanics looking to upgrade their engine components easily, improving overall vehicle performance.

Not Suitable For
  • Casual Drivers

    Not suitable for users who prioritize reliability and comfort over performance upgrades in everyday driving situations.

Product Description

Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set

About This Item

Upgrade your Ford Flex's performance with the Ford Racing M-12405-35T 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set. Designed specifically for the 3.5L EcoBoost engine, these cold spark plugs will maximize your vehicle's power and efficiency. Featuring a cold heat range (35T), these spark plugs have been engineered to withstand higher temperatures and provide optimal ignition performance. The colder design prevents pre-ignition and detonation, allowing for more aggressive tuning and higher boost levels. Not only will these spark plugs enhance your engine's performance, but they also ensure a longer lifespan.

The durable construction and high-quality materials used in the manufacturing process guarantee reliable and consistent ignition, reducing the risk of misfires and engine damage. Installing the Ford Racing M-12405-35T Cold Spark Plug Set is a breeze, thanks to their direct-fit design. You can easily replace your old spark plugs with these premium-quality ones, without any modifications or additional equipment required. Whether you're a performance enthusiast or simply want to improve your vehicle's overall drivability, the Ford Racing M-12405-35T 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set is the perfect upgrade for your Ford Flex. Unlock the full potential of your engine and experience enhanced power and efficiency with every drive. Order your Ford Racing M-12405-35T Cold Spark Plug Set today and feel the difference in your Ford Flex's performance.

Invest in quality and get the most out of your vehicle.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Ford Racing M-12405-35T Cold Spark Plug Set?

    Answer: The Ford Racing M-12405-35T Cold Spark Plug Set is designed to enhance the performance of the 3.5L EcoBoost engine in Ford Flex models. These spark plugs provide improved ignition efficiency, better throttle response, and can help to achieve higher power levels. Their colder heat range is especially beneficial for performance enthusiasts who engage in high-performance driving scenarios or conditions where engine temperatures are elevated, ensuring optimal performance without pre-ignition issues.
  • Question: Are these spark plugs compatible with all 3.5L EcoBoost engines?

    Answer: No, the Ford Racing M-12405-35T Cold Spark Plug Set is specifically engineered for the 2010-2017 models of Ford Flex with a 3.5L EcoBoost engine. It's crucial to verify compatibility with your vehicle's engine variant before purchasing. This ensures that you get the maximum benefit from these plugs and that they function correctly within your specific engine architecture, especially if you have upgraded fuel injectors or a modified engine setup.
  • Question: How often should I replace my spark plugs?

    Answer: It is generally recommended to inspect and potentially replace your spark plugs every 30,000 to 50,000 miles depending on your driving habits and the type of spark plugs used. For high-performance applications, such as racing or frequent highway driving, you may need to replace them more frequently. Regular checks ensure optimal engine performance, fuel efficiency, and can help prevent ignition issues which can lead to more significant engine problems down the line.
  • Question: What advantages do cold spark plugs have over standard ones?

    Answer: Cold spark plugs, like the Ford Racing M-12405-35T, provide several advantages over standard spark plugs, particularly in high-performance situations. Their colder heat range allows them to dissipate heat more effectively, reducing the chances of pre-ignition and engine knocking in high-stress conditions. This can lead to improved performance in modified engines or during spirited driving, making them ideal for racing enthusiasts who push their vehicles to the limit and want to maintain peak power and efficiency.
  • Question: Can I install the Ford Racing Cold Spark Plug Set myself?

    Answer: Yes, installing the Ford Racing M-12405-35T Cold Spark Plug Set can be done as a DIY project if you have basic automotive knowledge and tools. It's important to follow the manufacturer’s guidelines carefully while removing the old plugs and installing the new ones. Proper installation ensures that the spark plugs function correctly within the engine, which is critical for maintaining performance. This task often includes torque specifications, which can usually be found in the vehicle's service manual.
  • Question: What can I expect in terms of performance improvement?

    Answer: With the installation of the Ford Racing M-12405-35T Cold Spark Plug Set, you can expect noticeable improvements in throttle response and overall engine efficiency. Users often report enhancements in acceleration and smoother power delivery, particularly under heavy load or high-performance scenarios. This is especially beneficial for those who frequently drive their EcoBoost units on the track or in competitive settings, enhancing both the driving experience and the vehicle's performance capabilities.
  • Question: Are there any special maintenance tips for these spark plugs?

    Answer: To maximize the lifespan and performance of your Ford Racing M-12405-35T Cold Spark Plug Set, regular inspection is critical. Ensure that your engine’s ignition system is functioning optimally, and periodically check the spark plugs for any signs of wear, carbon buildup, or damage. Clean connections and replace them as recommended to maintain efficient combustion. This preventive maintenance is essential for enhancing your engine performance and avoiding any unexpected issues down the road.
  • Question: What is the heat range of these spark plugs?

    Answer: The Ford Racing M-12405-35T Cold Spark Plug Set features a colder heat range, designed specifically for high-performance applications. This colder designation means the plugs maintain optimal temperatures even under extreme conditions, reducing the risk of pre-ignition and allowing the engine to perform effectively during demanding situations such as towing or racing. For drivers who push their EcoBoost engines, this helps ensure that they can extract maximum power without compromising engine health.
  • Question: Where can I buy the Ford Racing M-12405-35T Cold Spark Plug Set?

    Answer: You can purchase the Ford Racing M-12405-35T Cold Spark Plug Set from Ubuy in Samoa. Ubuy offers a reliable online shopping experience, ensuring that you can find the right performance parts for your Ford vehicle conveniently. With straightforward navigation and product availability, Ubuy is an excellent choice for automotive enthusiasts looking to enhance their engine performance.

Ford Spark Plugs M-12405-35T Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“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.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

WST 248

Order now and get it around Friday, October 02

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.