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TYC 20-9770-01-9 - Headlight Assembly (Left)
Product Overview
The TYC 20-9770-01-9 Headlight Assembly (Left) is designed to provide optimal visibility and safety on the road. This headlight assembly is crafted with OE-level quality, ensuring a perfect fit and reliable performance. Trusted by automotive professionals, TYC delivers exceptional products tailored for various vehicle makes, including Audi. Choose TYC 20-9770-01-9 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This TYC 20-9770-01-9 is equivalent to or replaces the following part numbers: 8V0 941 043 B, 8V0941043B, 209770019, AU2502191.
Vehicle Compatibility
- Audi (2015-2016) A3 1.8
- Audi (2015-2016) A3 2.0
- Audi (2015-2016) S3 2.0
- Audi (2016-2018) A3 Sportback e-tron 1.4
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What types of bulbs are compatible with the TYC 20-9770-01-9 headlight assembly?
The TYC 20-9770-01-9 headlight assembly uses HID D5S for the low beam, Halogen HB3 for the high beam, and includes LED bulbs for the front side marker and park lamp.
Is the TYC 20-9770-01-9 headlight assembly compliant with regulations?
Yes, the TYC 20-9770-01-9 headlight assembly is SAE/DOT compliant, ensuring it meets all necessary safety standards.
What should I do if the headlight assembly does not fit my Audi?
If the TYC 20-9770-01-9 does not fit your vehicle, please use the vehicle selector tool on our website to confirm compatibility or explore other options.
Can I replace just one headlight assembly?
Yes, you can replace just one headlight assembly, but it's often recommended to replace them in pairs for balanced lighting performance.
What if I experience issues after installation?
If you encounter any issues after installing the TYC 20-9770-01-9, please contact our customer service for assistance and troubleshooting support.
Order TYC 20-9770-01-9 today for a factory-correct replacement that restores safety and performance.
- BrandTYC
- PositionLeft
- ManufacturerTYC
- MPN20-9770-01-9
- FeaturesBulb Type : HID
Bulbs Included : No
California Proposition 65 : WARNING - This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Components Included : Lens And Housing
Front Side Marker Light Bulb Included : YES
Front Side Marker Light Bulb Type : LED
Front Signal Light Bulb Included : YES
Front Signal Light Bulb Type : Halogen
Hid Ballast Included : NO
High Beam Bulb Included : NO
High Beam Bulb Type : Halogen HB3
Housing Material : Plastic
Lens Color : Clear, Amber
Lens Material : Plastic
Low Beam Bulb Included : NO
Low Beam Bulb Type : HID D5S
Other Side : 20-9769-01-9
Park Lamp Bulb Included : YES
Park Lamp Bulb Type : LED
Position : Left
Remarks : w/o Curve Lighting
Sae/dot Compliant : Yes - OE Part Numbers8V0 941 043 B, 8V0941043B
- Cross Reference Numbers209770019, AU2502191
- Part TypeHeadlight Assembly
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2015 | Audi | A3 | Premium (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | A3 | TDI Premium Plus (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | A3 | Premium Plus (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | A3 | Prestige (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | A3 | TDI Premium (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | A3 | TDI Prestige (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | S3 | Premium Plus (2.0 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2015 | Audi | S3 | Prestige (2.0 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | S3 | Prestige (2.0 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | S3 | Premium Plus (2.0 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | TDI Prestige (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | TDI Premium (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | Prestige (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | Premium (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | Premium Plus (1.8 L4 GAS) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 | TDI Premium Plus (2.0 L4 DIESEL) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 Sportback e-tron | Premium (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 Sportback e-tron | Premium Plus (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2016 | Audi | A3 Sportback e-tron | Prestige (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2017 | Audi | A3 Sportback e-tron | Premium (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2017 | Audi | A3 Sportback e-tron | Premium Plus (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2017 | Audi | A3 Sportback e-tron | Prestige (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2018 | Audi | A3 Sportback e-tron | Premium (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2018 | Audi | A3 Sportback e-tron | Premium Plus (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
| 2018 | Audi | A3 Sportback e-tron | Prestige (1.4 L4 PHEV) | Notes: w/o Curve Lighting, HID Type |
Warranty Overview
At Newparts, 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, use our Return Portal or contact support.
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 full details, please see our complete 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.
















