Guangzhou Tonghua Automobile Parts Co., Ltd.
| Payment Terms | L/C,D/A,T/T,D/P |
| Packaging Details | Neutral packaging |
| Voltage | Dc 12V |
| Purpose | for replace/repair |
| Packing | Neutral Packing |
| Supply Ability | 100000 |
| OE NO. | 8K0 941 597B |
| Product Name | Xenon HID Control Module |
| Warranty | 12months |
| Delivery Time | 10 |
| Engine | 2.7 TDI quattro, 3.2 FSI quattro, 3.0 TDI quattro, 4.2 FSI quattro, 3.0 TFSI quattro, 4.2 quattro, 4.2 FSI quattro, 3.0 quattro, 2.8 FSI quattro, 2.7 TDI, 2.8 FSI, 2.0 TDI, 3.2 FSI, 2.7 TDI quattro, 3.0 TFSI quattro, 3.2 FSI quattro, 3.0 TDI quattro, 3.0 T |
| Application | Auto Electrical Systems |
| Sample | Available |
| Drive Type | Electric |
| Brand Name | LTHJT |
| Place of Origin | China |
| Model Number | 8K0 941 597B |
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Product Specification
| Payment Terms | L/C,D/A,T/T,D/P | Packaging Details | Neutral packaging |
| Voltage | Dc 12V | Purpose | for replace/repair |
| Packing | Neutral Packing | Supply Ability | 100000 |
| OE NO. | 8K0 941 597B | Product Name | Xenon HID Control Module |
| Warranty | 12months | Delivery Time | 10 |
| Engine | 2.7 TDI quattro, 3.2 FSI quattro, 3.0 TDI quattro, 4.2 FSI quattro, 3.0 TFSI quattro, 4.2 quattro, 4.2 FSI quattro, 3.0 quattro, 2.8 FSI quattro, 2.7 TDI, 2.8 FSI, 2.0 TDI, 3.2 FSI, 2.7 TDI quattro, 3.0 TFSI quattro, 3.2 FSI quattro, 3.0 TDI quattro, 3.0 T | Application | Auto Electrical Systems |
| Sample | Available | Drive Type | Electric |
| Brand Name | LTHJT | Place of Origin | China |
| Model Number | 8K0 941 597B | ||
| High Light | 8K0 941 597B ，Q5 HID Headlight Ballast ，A4 Xenon Ballast | ||
Product Name: Headlight Control Unit / Xenon Headlight Ballast / D3S/D4S Igniter Control Module
OEM Number: 8K0 941 597B (cross-references: 8K0941597B, 8K0 941 597)
Product Highlight: Genuine-spec headlight control unit that powers and regulates Xenon/HID headlights – restores full brightness and reliable operation of the vehicle's lighting system. A direct replacement for the original factory component, this unit ensures proper ignition and stable performance of D3S and D4S gas discharge lamps.
Dimensions: 109 x 109 x 30 mm; weight approx. 0.19–0.23 kg.
OEM Standard: Meets original equipment specifications for fit, material, and performance.
Vehicle Adaptability: Compatible with Audi and VAG Group models equipped with Xenon lighting (see Section 4).
Make: European Premium Brand
Model Years: 2008–2024 (verify VIN for exact compatibility).
Applicable Models: Audi A4 (B8/8K), A5 (8T), A6 (C7/4G), Q5 (8R), and other VAG models with Xenon lights.
Quality: OEM-grade; available in Genuine OE and premium aftermarket variants (Metzger, Magneti Marelli, Topran, LORO) with manufacturer warranty.
| Parameter | Specification |
|---|---|
| Component | Headlight control unit / ballast |
| Lamp Type | D3S, D3R, D4S, D4R (Xenon/HID) |
| Voltage | 12V |
| Power | 35W |
| Dimensions | 109 x 109 x 30 mm |
| Weight | Approx. 0.19–0.23 kg |
| Installation | For left or right side, with seal included |
| ECU Update | Not required |
| Condition | New, OEM replacement |
Xenon Headlight Control: Powers and regulates gas discharge headlights, ensuring consistent brightness and reliable starting of D3S/D4S bulbs.
Dual-Side Fitment: Fits both left and right headlight assemblies – one part number covers both sides.
Direct Plug-and-Play: No programming or ECU update required – simply replace the old unit and plug in the 7-pin connector.
Complete Assembly: Includes the required seal/gasket for proper installation.
Durable Construction: Housing made of aluminum with 3 mounting holes for secure fitment.
Genuine Quality: OEM-grade part ensures reliable lighting system performance.
Fits Audi and VAG Group models equipped with Xenon headlights:
| Model | Years |
|---|---|
| Audi A4 (B8/8K) | 2008–2016 |
| Audi A5 (8T) | 2008–2016 |
| Audi A6 (C7/4G) | 2011–2018 |
| Audi Q5 (8R) | 2009–2017 |
| Audi A4/A5 (B9) | 2017–2024 |
Compatible with various VAG Group models including Seat, Skoda, Volkswagen, and Porsche with Xenon lighting. Always verify your vehicle's VIN and headlight type before ordering.
Q1: What are signs my headlight control unit needs replacement?
Symptoms include one or both Xenon headlights not turning on, intermittent flickering, dim output, or a failed ignition even after replacing the bulb. The unit may also produce a buzzing sound.
Q2: Does 8K0 941 597B fit both left and right headlights?
Yes – this unit is designed to fit both left and right sides. Check your vehicle's headlight type (D3S/D4S) before ordering.
Q3: Is programming required after installation?
No – the unit is plug-and-play. No ECU update or reprogramming is required. However, professional installation is recommended to ensure proper handling of the headlight unit and electrical connections.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2008
Total Annual:
100000000-200000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
LTHJT combines focused automotive hose manufacturing with practical multi-brand auto parts supply. Our manufacturing business specializes in automotive fluid and thermal-management hose applications, including radiator and coolant hoses, fuel hoses, turbo and intercooler hoses, vacuum brake hoses, t... LTHJT combines focused automotive hose manufacturing with practical multi-brand auto parts supply. Our manufacturing business specializes in automotive fluid and thermal-management hose applications, including radiator and coolant hoses, fuel hoses, turbo and intercooler hoses, vacuum brake hoses, t...
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