{"product_id":"headlamp-control-module-4h0941329-headlight-power-supply-unit","title":"Headlamp Control Module 4H0941329 Headlight Power Supply Unit","description":"\n\u003ch2\u003eHeadlamp Control Module 4H0941329 – Intelligent Headlight Power Supply Unit\u003c\/h2\u003e\n\u003cp\u003eUpgrade your vehicle's lighting system with this precision-engineered Headlamp Control Module (Part No. 4H0941329 \/ 5DF01011410AM). Designed for seamless integration with compatible vehicle models, this advanced headlight ballast control unit delivers intelligent angle adjustment and stable power output — keeping your road illuminated exactly when and where you need it.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Intelligent Control:\u003c\/strong\u003e Features cutting-edge control technology that intelligently adjusts headlight angles and brightness in real time, ensuring optimal illumination during turns for enhanced driving confidence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Automatic Adjustment:\u003c\/strong\u003e Automatically adjusts headlight angles up to 20 degrees during turns or on inclines, syncing precisely with steering wheel movement for a dynamic, responsive lighting experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable 35W Output:\u003c\/strong\u003e Delivers a consistent 35W power output for reliable, high-performance lighting at all speeds while maintaining energy efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Strength Alloy Construction:\u003c\/strong\u003e Crafted from premium high-strength alloy with excellent heat and pressure resistance — far more durable than standard plastic modules — ensuring long-lasting, stable performance in extreme conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffortless Installation:\u003c\/strong\u003e Optimized design allows for straightforward, tool-friendly installation, saving time and effort whether you're a professional technician or an enthusiastic DIYer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Meets international engineering standards for a perfect OEM-style fit with compatible models listed under part numbers 4H0941329 and 5DF01011410AM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Driving Performance:\u003c\/strong\u003e Engineered for both city and rural driving conditions, providing consistent, reliable lighting performance across all environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeadlight Ballast Control Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Numbers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4H0941329, 5DF01011410AM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Strength Alloy \u0026amp; Plastic Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.95 × 3.4 × 3.4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Headlight Control Module (4H0941329)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 1–2 cm variance due to manual measurement. Kindly confirm you are comfortable with this before ordering.\u003c\/li\u003e\n  \u003cli\u003eDue to variations between different monitor displays, product color in images may differ slightly from the actual item.\u003c\/li\u003e\n  \u003cli\u003ePlease verify your vehicle's compatibility using the part numbers 4H0941329 or 5DF01011410AM before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What vehicles is the Headlamp Control Module 4H0941329 compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This headlight ballast control unit is designed for vehicles that use OEM part number 4H0941329 or 5DF01011410AM. Please cross-reference these part numbers with your vehicle's specifications or consult your vehicle manual to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the headlight control module actually do?\u003c\/h4\u003e\n\u003cp\u003eA: The headlamp control module intelligently manages your vehicle's headlight angles and brightness. It automatically adjusts the headlight beam up to 20 degrees during turns or inclines — syncing with steering wheel movement — and delivers a stable 35W output for consistent, high-performance illumination at all driving speeds.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this headlight power supply unit easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module features an optimized design for straightforward installation without requiring specialized tools. It is suitable for professional auto repair shops as well as automotive enthusiasts performing their own headlight system upgrades. Always ensure the vehicle ignition is off before beginning any electrical installation.\u003c\/p\u003e\n\u003ch4\u003eQ: How durable is this headlamp control module compared to standard units?\u003c\/h4\u003e\n\u003cp\u003eA: This module is constructed from high-strength alloy with superior heat and pressure resistance, making it significantly more durable than standard plastic control modules. It is engineered to maintain stable performance even in demanding environmental conditions.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What vehicles is the Headlamp Control Module 4H0941329 compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This headlight ballast control unit is designed for vehicles that use OEM part number 4H0941329 or 5DF01011410AM. 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