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Elring 852.090 - Differential Seal
Product Overview
The Elring Differential Seal part number 852.090 is engineered to meet the highest standards of performance and durability for Audi and Porsche vehicles. Designed as a direct replacement for part number 0AW 409 400, this premium-grade seal provides exceptional resistance to wear and tear, ensuring a reliable seal for your differential. Crafted with precision engineering and high-quality materials, the Elring Differential Seal effectively prevents oil leaks while reducing friction and wear on the differential. This not only enhances your vehicle's efficiency but also extends the lifespan of the component, making it an essential upgrade for both DIY enthusiasts and seasoned technicians. Trust the Elring brand, recognized for its commitment to quality and reliability, to keep your vehicle performing at its best. Choose Elring 852.090 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Elring 852.090 is equivalent to or replaces the following part numbers: 0AW 409 400, 0AW409400, 01037194B.
Vehicle Compatibility
- Audi A4 2.0L4 (2009–2016)
- Audi A5 Quattro 2.0L4 (2009–2016)
- Audi A6 Quattro 2.0L4 (2011–2018)
- Audi A7 Quattro 3.0V6 (2015–2018)
- Audi Q5 2.0L4 (2009–2018)
- Audi S4 3.0V6 (2015–2016)
- Audi S5 3.0V6 (2011–2016)
- Audi S6 4.0V8 (2016–2018)
- Audi S7 4.0V8 (2015–2018)
- Porsche Macan 3.0V6 (2015–2018)
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 Elring 852.090 Differential Seal do?
The Elring Differential Seal plays a critical role in sealing the differential assembly of your vehicle, preventing oil leakage and ensuring optimal lubrication. This enhances the performance and longevity of the differential, contributing to a smoother driving experience.
How do I know if my Differential Seal needs replacement?
Common signs that the differential seal may need replacement include visible oil leaks beneath the vehicle, unusual noises from the differential, and decreased performance during acceleration or turning.
Can I install the Elring 852.090 myself?
Yes, the Elring 852.090 can be installed by those with basic mechanical skills. However, proper precautions should be taken, and it is advisable to consult a repair manual for guidance on the installation process.
What are the symptoms of a faulty Differential Seal?
Symptoms of a faulty differential seal include oil leaks from the differential area, grinding or whining noises during operation, and a noticeable drop in fluid levels. If you see DTCs such as P0500, P0520, P0521, it may indicate a failing differential component.
Why should I choose Elring for my Differential Seal needs?
Elring is a trusted brand known for its high-quality automotive parts. Order Elring 852.090 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.
- BrandElring
- ManufacturerElring
- MPN852.090
- Part TypeDifferential Seal
- OE Part Numbers0AW 409 400, 0AW409400
- Cross Reference Numbers852090, 0AW 409 400, 0AW409400, 01037194B
- FeaturesCalifornia Proposition 65 Required : N
Dust Cover : with dust lip
Height [Mm] : 7
Inner Diameter [Mm] : 40
Inside Diameter : 40.0
Material : ACM (Polyacrylate)
Material : ACM (Polyacrylate)
Outer Diameter [Mm] : 55
Outside Diameter : 55.0
Radial Shaft Seal Design : A/BS2
Swirl Type : Right-hand Twist
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2014 | Audi | Q5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | Q5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | Q5 | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | Q5 | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | Q5 | Premium (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | Q5 | Premium Plus (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | S4 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | S4 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | S5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | S5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | A5 | Cabriolet (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | A5 Quattro | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A5 Quattro | Cabriolet (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A4 | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | A4 Quattro | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A6 | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | A6 | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | A6 Quattro | Premium (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A6 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A7 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | A7 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2014 | Audi | A7 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | A7 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2014 | Audi | S6 | Base (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2014 | Audi | S7 | Base (4.0 V8 GAS) | Aspiration: Turbocharged, Transmission Control: Manual, Transmission Control: Automatic, Transmission Control: Automatic Dual Clutch, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Porsche | Macan | Turbo (3.6 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Porsche | Macan | S (3.0 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | S7 | Base (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | A7 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | A7 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | A7 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A7 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | Q5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | Q5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | Q5 | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | Q5 | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | Q5 | Premium (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | Q5 | Premium Plus (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | S4 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | S4 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | S5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | S5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | S6 | Base (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | RS5 | Base (4.2 V8 GAS) | Aspiration: Naturally Aspirated, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | RS5 | Cabriolet (4.2 V8 GAS) | Aspiration: Naturally Aspirated, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | A6 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | A6 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2015 | Audi | A6 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A6 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A6 Quattro | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A6 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A4 | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | A4 | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | A4 | Prestige (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2015 | Audi | A5 Quattro | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A5 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2015 | Audi | A5 Quattro | Prestige (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | S6 | Premium Plus (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | S6 | Prestige (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | S7 | Base (4.0 V8 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A6 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A7 Quattro | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A7 Quattro | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A7 Quattro | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A7 Quattro | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | Q5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2016 | Audi | Q5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right |
| 2016 | Audi | Q5 | TDI Premium Plus (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | Q5 | TDI Premium Plus S-Line (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | Q5 | TDI Prestige (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | Q5 | TDI Prestige S-Line (3.0 V6 DIESEL) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | Q5 | Premium (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | Q5 | Premium Plus (2.0 L4 FLEX) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | A4 | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A4 | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | A4 Quattro | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | A4 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | A5 Quattro | Premium (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | A5 Quattro | Premium Plus (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right |
| 2016 | Audi | S4 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | S4 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | S5 | Premium Plus (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Audi | S5 | Prestige (3.0 V6 GAS) | Aspiration: Supercharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Porsche | Macan | Turbo (3.6 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2016 | Porsche | Macan | S (3.0 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2017 | Porsche | Macan | Turbo (3.6 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2017 | Porsche | Macan | GTS (3.0 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2017 | Porsche | Macan | S (3.0 V6 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
| 2017 | Porsche | Macan | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: Front; Right, With OE No. AW 409 400 |
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.








