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LuK DMF123 - Clutch Flywheel
Product Overview
The LuK Dual-Mass Flywheel DMF123 is a critical component in your Volkswagen's clutch system, connecting the engine to the transmission for seamless operation. This premium-grade flywheel is engineered to meet OE-level standards, ensuring optimal performance and reliability for various Volkswagen models. Over time, dual-mass flywheels can experience wear, leading to clutch slippage, chattering, or difficulty in gear engagement. Trust in LuK's reputation for quality and durability, a brand recognized and relied upon by professionals worldwide. Choose LuK DMF123 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This LuK DMF123 is equivalent to or replaces the following part numbers: 415 0431 10, 415 0431 100, 03G 105 266 AF, 03G 105 266 BC, 03G 105 266AF, 03G 105 266BC, 03L 105 266 AD, 03L 105 266 B, 03L 105 266 BM, 03L 105 266 DL, 03L 105 266AD, 03L 105 266B, 03L 105 266BM, 03L 105 266DL, 03L 105 266J.
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- Volkswagen Beetle 2.0 L4 (2012–2014)
- Volkswagen Golf 2.0 L4 (2010–2014)
- Volkswagen Jetta 2.0 L4 (2010–2014)
- Volkswagen Passat 2.0 L4 (2010–2014)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
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- 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.
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- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the LuK DMF123 Clutch Flywheel do?
The LuK DMF123 dual-mass flywheel connects the engine's crankshaft to the transmission, allowing for smooth engagement of the clutch. It absorbs vibrations, reducing noise and improving drivability.
How do I know if my Clutch Flywheel needs replacement?
Common signs that your flywheel may need replacement include clutch slippage, unusual noises such as chattering or grinding, and difficulty engaging gears. If you notice these symptoms, it is important to inspect the flywheel.
Can I install the LuK DMF123 myself?
Yes, the installation of the LuK DMF123 is possible for DIY enthusiasts, but it is essential to follow proper procedures and safety precautions during the process to ensure optimal performance.
What are the symptoms of a faulty Clutch Flywheel?
Symptoms of a failing flywheel may include clutch slippage, excessive noise during operation, and difficulty shifting gears. It's crucial to check for these signs to prevent further damage to the transmission system.
Why should I choose LuK for my Clutch Flywheel needs?
LuK is a trusted brand known for high-quality automotive components. Order LuK DMF123 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
- MPNDMF123
- Part TypeClutch Flywheel
- OE Part Numbers03L 105 266 A, 03L105266A, 03L 105 266 DL, 03L105266DL, 03L 105 266 AD, 03L105266AD, 03L 105 266 G, 03L105266G, 03L 105 266 J, 03L105266J, 03L 105 266 DM, 03L105266DM, 03L 105 266 Q, 03L105266Q, 03L 105 266 BN, 03L105266BN, 03L 105 266 BM, 03L105266BM, 03L 105 266 B, 03L105266B, 03G 105 266 BB, 03G105266BB, 03L 105 266 K, 03L105266K, 03G 105 266 AF, 03G105266AF, 03G 105 266 BC, 03G105266BC
- Cross Reference Numbers03L 105 266 BN, 03L105266BN, 03L 105 266 DL, 03L105266DL, 03L 105 266 DM, 03L105266DM, 03L 105 266 B, 03L105266B, 03L 105 266 G, 03L105266G, 03L 105 266 BM, 03L105266BM, 03L 105 266 K, 03L105266K, 4150431100, 03G 105 266 BC, 03G105266BC, 836224, FDE-VW03, FDEVW03
- FeaturesBolt Hole Pattern : 2
Bolt hole PCD clutch pres.plte : 10.157
Bolt hole PCD clutch pres.plte : 258
Bolt hole PCD crankshaft : 2.598
Bolt hole PCD crankshaft : 66
Centering diameter / dowel hole : 10.315
Centering diameter / dowel hole : 262
Crank Hole Dia. : .402
Crank Hole Dia. : 10.2
Crank To Friction Surface : 1.583
Crank To Friction Surface : 40.2
Cup depth, secondary flywheel : -.315
Cup depth, secondary flywheel : -8
Dowel Hole Pattern : 5
Dowel hole diameter : .197
Dowel hole diameter : 5
Flywheel Friction Surface Inner diameter : 155
Flywheel Friction Surface Inner diameter : 6.102
Flywheel Thickness [mm] : 2.890
Flywheel Thickness [mm] : 73.4
Flywheel friction surface outer diameter : 240
Flywheel friction surface outer diameter : 9.449
I.D. for Pilot : 1.260
I.D. for Pilot : 32
Number of teeth, starter ring gear : 135
Overall Casting O.D. : 11.339
Overall Casting O.D. : 288
Ring Gear Major Dia. : 11.392
Ring Gear Major Dia. : 289.366
Ring Gear Mounting O.D. : 10.220
Ring Gear Mounting O.D. : 259.6
Ring Gear Number : L-08180-0G99-06
Ring Gear Thickness : .591
Ring Gear Thickness : 15
Ring Gear To Friction Surface : .630
Ring Gear To Friction Surface : 16
Torque Capacity DMFW : 15.921
Torque Capacity DMFW : 404.4
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2009 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2010 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2010 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2010 | Volkswagen | Jetta | TDI Cup Edition (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2011 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2011 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2012 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2012 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2012 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2012 | Volkswagen | Passat | TDI SE (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2012 | Volkswagen | Passat | TDI SEL (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2013 | Volkswagen | Beetle | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Sachs Clutch, LuK Clutch |
| 2013 | Volkswagen | Passat | TDI SE (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2013 | Volkswagen | Passat | TDI SEL (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2013 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2013 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2013 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2014 | Volkswagen | Passat | TDI SE (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2014 | Volkswagen | Passat | TDI SEL Premium (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2014 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Luk Dry Clutch |
| 2014 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2014 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: LuK Clutch |
| 2014 | Volkswagen | Beetle | TDI (2.0 L4 DIESEL) | Aspiration: Turbocharged, Notes: Sachs Clutch, LuK Clutch |
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.










