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LuK DMF025 - Clutch Flywheel
Product Overview
The LuK Dual-Mass Flywheel (part number DMF025) is an essential component of your Porsche's clutch system, functioning to connect the engine to the transmission. Designed to OE standards, this premium-grade flywheel plays a critical role in facilitating smooth engagement of the clutch plate. Over time, wear is inevitable; typical replacement intervals range from 50,000 to 80,000 miles, depending on your vehicle's model and usage. Signs of a failing flywheel include clutch slippage, chattering, or sticking. Unlike single mass flywheels, dual mass flywheels cannot be resurfaced and must be replaced to ensure optimal performance. Choose LuK DMF025 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This LuK DMF025 is equivalent to or replaces the following part numbers: 415 0072 10, 415 0072 100, 986 114 012 01, 986 114 012 02, 986 114 012 05.
Vehicle Compatibility
- Porsche Boxster 2.5 H6 (1997–1999)
- Porsche Boxster 2.7 H6 (2000–2008)
- Porsche Cayman 2.7 H6 (2006–2008)
This may also fits other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the LuK DMF025 Clutch Flywheel do?
The dual-mass flywheel connects the engine to the transmission, allowing for smooth engagement of the clutch plate. It absorbs vibrations and helps maintain consistent engine performance during operation.
How do I know if my Clutch Flywheel needs replacement?
Common signs of a failing flywheel include clutch slippage, chattering when engaging the clutch, and difficulty shifting gears. If you notice these symptoms, it may be time to inspect your flywheel.
Can I install the LuK DMF025 myself?
Yes, the LuK DMF025 can be installed as a DIY project, but ensure you have the necessary tools and follow proper procedures to avoid any installation errors.
What are the symptoms of a faulty Clutch Flywheel?
Symptoms may include difficulty shifting gears, clutch slippage, and unusual noises when engaging the clutch. If you experience these issues, it is crucial to inspect the flywheel for wear or damage.
Why should I choose LuK for my Clutch Flywheel needs?
LuK is a trusted brand known for high-quality components that meet or exceed OEM specifications. Order LuK DMF025 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandLuK
- ManufacturerLuK
- MPNDMF025
- Part TypeClutch Flywheel
- OE Part Numbers986 114 012 02, 98611401202, 986 114 012 05, 98611401205, 986 114 012 01, 98611401201
- Cross Reference NumbersDMF91121, 4150072100, 167025
- FeaturesBolt Hole Pattern : 2
Bolt hole PCD clutch pres.plte : 10.433
Bolt hole PCD clutch pres.plte : 265
Bolt hole PCD crankshaft : 2.677
Bolt hole PCD crankshaft : 68
Centering diameter / dowel hole : 10.433
Centering diameter / dowel hole : 265
Crank Hole Dia. : .406
Crank Hole Dia. : 10.3
Crank To Friction Surface : 1.535
Crank To Friction Surface : 39
Cup depth, secondary flywheel : .106
Cup depth, secondary flywheel : 2.7
Dowel Hole Pattern : 5
Dowel hole diameter : .236
Dowel hole diameter : 6
Flywheel Friction Surface Inner diameter : 148
Flywheel Friction Surface Inner diameter : 5.827
Flywheel Thickness [mm] : 2.909
Flywheel Thickness [mm] : 73.9
Flywheel friction surface outer diameter : 242
Flywheel friction surface outer diameter : 9.528
I.D. for Pilot : .945
I.D. for Pilot : 24
Number of teeth, starter ring gear : 135
Overall Casting O.D. : 11.063
Overall Casting O.D. : 281
Ring Gear Major Dia. : 11.392
Ring Gear Major Dia. : 289.366
Ring Gear Mounting O.D. : 10.279
Ring Gear Mounting O.D. : 261.08
Ring Gear Number : L-01180-0030-01
Ring Gear Thickness : .394
Ring Gear Thickness : 10
Ring Gear To Friction Surface : 1.709
Ring Gear To Friction Surface : 43.4
Torque Capacity DMFW : 11.024
Torque Capacity DMFW : 280
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1997 | Porsche | Boxster | Base (2.5 H6 GAS) | |
| 1999 | Porsche | Boxster | Base (2.5 H6 GAS) | |
| 2000 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2001 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2002 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2003 | Porsche | Boxster | Roadster (2.7 H6 GAS) | |
| 2004 | Porsche | Boxster | Base (2.7 H6 GAS) | |
| 2007 | Porsche | Boxster | Base (2.7 H6 GAS) | Speed: 5 |
| 2007 | Porsche | Cayman | Base (2.7 H6 GAS) | Speed: 5 |
| 2008 | Porsche | Cayman | Base (2.7 H6 GAS) | Speed: 5 |
| 2008 | Porsche | Boxster | Base (2.7 H6 GAS) | Speed: 5 |
| 2008 | Porsche | Boxster | Limited Edition (2.7 H6 GAS) | Speed: 5 |
| 2005 | Porsche | Boxster | Base (2.7 H6 GAS) | Speed: 5 |
| 2006 | Porsche | Boxster | Base (2.7 H6 GAS) | Speed: 5 |
| 1998 | Porsche | Boxster | Base (2.5 H6 GAS) |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.








