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Genuine VW/Audi 2D0129737A - Vacuum Line Adapter
Genuine VW/Audi Vacuum Hose Connector 2D0129737A - For Audi Vehicles
Manufacturer Part Number: 2D0129737A
Product Description
The Genuine VW/Audi Vacuum Hose Connector part number 2D0129737A is an essential component for Audi owners looking to maintain optimal engine performance. This high-quality vacuum line adapter is engineered to OEM standards, ensuring a precise fit and reliable operation in your vehicle.
Designed to regulate vacuum pressure effectively, this adapter contributes to improved engine efficiency and reduced emissions, allowing you to enjoy better fuel economy. Crafted from premium-grade materials, the Genuine VW/Audi Vacuum Hose Connector is built to withstand even the harshest conditions, ensuring longevity and durability under heavy use.
Installation is straightforward; simply attach it to your engine without the need for modifications or special tools. This user-friendly design means you can get back on the road quickly, knowing your vehicle is equipped with a reliable component that enhances performance.
For Audi enthusiasts seeking a dependable vacuum line adapter, the Genuine VW/Audi Vacuum Hose Connector 2D0129737A is your go-to choice. Experience superior performance and peace of mind knowing you have a part that delivers exceptional quality and reliability.
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.
- Audi A8 Quattro / 6.0W12, 2005-2009
- Audi S8 / 5.2V10, 2006-2009
- Audi Allroad Quattro / 2.7V6, 2005-2004
- Audi A6 Quattro / 2.7V6, 2001-2004
Why Shop at eEuroparts.com?
Since 2000, eEuroparts.com has been a trusted destination for European car owners looking for reliable parts at great prices. Here's why customers choose us:
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- 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 this part do?
The Genuine VW/Audi Vacuum Hose Connector regulates vacuum pressure within the engine, playing a crucial role in ensuring optimal engine performance and efficiency.
What vehicles is this part compatible with?
This part is compatible with various Audi models, including the A8 Quattro, S8, Allroad Quattro, and A6 Quattro from 2000 to 2009. For complete compatibility, please use the vehicle selector tool above.
What are common signs this part may need replacement?
Common signs that the vacuum hose connector may need replacement include engine misfires, reduced fuel efficiency, and an illuminated check engine light. If you experience any of these symptoms, consider inspecting the vacuum system for leaks or damages.
- BrandGenuine VW/Audi
- ManufacturerGenuine VW/Audi
- MPN2D0129737A
- Part TypeVacuum Line Adapter
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2000 | Audi | A6 Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2001 | Audi | A6 Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2001 | Audi | Allroad Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2002 | Audi | A6 Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2002 | Audi | Allroad Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2003 | Audi | A6 Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2003 | Audi | Allroad Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2004 | Audi | A6 Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2004 | Audi | Allroad Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2005 | Audi | A8 Quattro | L (6.0 W12 GAS) | Notes: 6.0 LITER SYSTEM FOR REAR MUFFLER, T-piece |
| 2005 | Audi | Allroad Quattro | Base (2.7 V6 GAS) | Notes: 2.7 LITER |
| 2006 | Audi | A8 Quattro | L (6.0 W12 GAS) | Notes: 6.0 LITER SYSTEM FOR REAR MUFFLER, T-piece |
| 2007 | Audi | S8 | Base (5.2 V10 GAS) | Notes: 5.2 LITER A.I.R. PUMP & COMPMNENTS, T-piece |
| 2007 | Audi | A8 Quattro | L (6.0 W12 GAS) | Notes: 6.0 LITER SYSTEM FOR REAR MUFFLER, T-piece |
| 2008 | Audi | S8 | Base (5.2 V10 GAS) | Notes: 5.2 LITER A.I.R. PUMP & COMPMNENTS, T-piece |
| 2008 | Audi | A8 Quattro | L (6.0 W12 GAS) | Notes: 6.0 LITER SYSTEM FOR REAR MUFFLER, T-piece |
| 2009 | Audi | A8 Quattro | L (6.0 W12 GAS) | Notes: 6.0 LITER SYSTEM FOR REAR MUFFLER, T-piece |
| 2009 | Audi | S8 | Base (5.2 V10 GAS) | Notes: 5.2 LITER A.I.R. PUMP & COMPMNENTS, T-piece |
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.




