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ECS Tuning - MK5 2.5L Lightweight Single Mass Flywheel - ES#4759618
Like many Volkswagens, manual transmission-equipped MK5s came from the factory with dual-mass flywheels. While this design delivers excellent comfort, smooth gear changes, and minimal vibration, it also adds significant weight—tipping the scales at a hefty 23 lbs. For performance-oriented enthusiasts, the dual-mass flywheel is a hindrance, dulling engine response and overall driving engagement.
With this flaw in mind, we set out to design a lightweight, performance-minded single-mass flywheel for 07K-equipped MK5s! Our precision-engineered upgrade weighs in at only 16.4 lbs.—a substantial weight reduction of 29%! This reduction translates to a dramatic improvement in throttle response and engine pep, allowing you to extract even more driving pleasure from your VW.
While many single-mass flywheels introduce intrusive NVH (noise, vibration, and harshness), our extensive testing confirms minimal to no increase in noise when installed, delivering upon the performance benefits listed above without sacrificing comfort. Each flywheel is precision-machined from heat-treated 4140 chromoly steel and hardened to HRC 28–32 to ensure toughness, dimensional stability under heat, and consistent wear across the entire friction surface. A black zinc coating adds corrosion resistance to all non-friction surfaces, and precise dynamic balancing exceeds OEM G16 spec (175 g-mm). This ensures smooth operation at any RPM, providing peace of mind and optimum reliability. SFI 1.1 certified, this flywheel meets stringent safety standards, having passed independent lab testing at 1.5x engine redline for one hour without failure. Finally, an integrated tone ring with OEM-matched gear tooth profile ensures flawless operation with factory electronics, making this an uncompromising upgrade for drivers seeking performance, reliability, and peace of mind.
NOTE: Our MK5 Single-Mass Flywheel Conversion is specifically designed for compatibility with stock-architecture MK6 2.5L clutch kits (07K141015D). It cannot be used with a stock-architecture MK5 2.5L clutch kit (03L141015P).
DESIGN
PRODUCT DEVELOPMENT
Our MK5 2.5L Lightweight Single-Mass Flywheel Upgrade was designed, engineered, tested, and quality inspected by our Research & Development team at our Wadsworth, Ohio, facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.
Cross Reference
When Will This Ship?
Please confirm availability on the products page...
In Stock This product will ship within one business day. Available for local pickup in Québec, Canada.
Direct Ship Subject to supplier' stock. Orders typically ship within 2 to 3 business days.
Regularly Stocked Product This product is in stock from our supplier. Orders typically ship within 6 to 12 business days.
Warehouse Transfer Subject to supplier' stock. Orders typically ship within 6 to 12 business days.
On Order This item is on its way to our warehouse.
Back Order This part is back-ordered therefore shipping time will vary.
No Longer Available The manufacturer no longer sells this item, and we can no longer get it from any of our suppliers.
*The processing time and availability are subject to the suppliers’ stock.
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Free Shipping
All orders of $499 or more being shipped within Canada qualify for free standard shipping. Additionally, orders less than $499 qualify for an exclusive low shipping rate.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
In-Stock Products
In Stock
Items marked as "In Stock" are physically in our facility, so they're ready to ship when the order is placed. If all items in your order are "In Stock", then your order typically ships within one business day.
Other Availability Modes
We use several availability modes to most accurately identify when products will leave their home facility:
Direct Ship This product is available and will be sourced from one of our suppliers. It may take up to three business days before it ships.
Warehouse Transfer We receive the item, then we ship it to remain on time with the guaranteed delivery range chosen at checkout. It typically takes between 6 and 12 business days before it ships.
Discontinued - No longer available This product has been discontinued by the manufacturer and is no longer available.
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A “Core Charge” is similar to the deposit you might pay for a can or bottle of soda. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Many automotive parts have Core Charges that work the same way as a soda can deposit. The most common car parts that include a core charge are alternators, calipers, steering racks, and fuel injectors.
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