Xenon Headlight Ballast D1S For Opel Astra J Insignia VW 5DV009720
Restore reliable night visibility with this EIFETT D1S xenon headlight ballast control unit. Designed as a direct replacement for failing original equipment units that suffer from internal circuit degradation, heat stress, or moisture damage, this aftermarket ballast stabilizes voltage supply to your D1S HID lamps. Precision-matched to pre-facelift Opel Astra J and Insignia platforms, as well as select VW, GM, BMW, and Mercedes applications, it eliminates headlight flickering, delayed warm-up, or sudden bulb failure without the premium dealership markup. Factory-tested for consistent electrical regulation, the compact PVC-housed unit ensures your high-beam and low-beam functions operate exactly as engineered.
Benefits & Tips
- Clean the vehicle’s existing wiring harness connector with electrical contact spray before installation to guarantee stable power transfer and prevent repeat voltage drops.
- Allow the replaced ballast assembly to cool for several minutes in a dry area before reconnecting the battery, reducing thermal shock during initial power cycles.
- Pair this control unit with a new D1S bulb for optimal color consistency and maximum luminous output restoration.
Product Specifications
- Bulb Compatibility: D1S
- Housing Material: Rugged PVC with heat-resistant internal components
- Net Weight: 0.2 kg
- Primary OE Cross References: 5DV00972000, 1Z0 941 641 B, 13278005, 63126937223, A00082110612335
- Installation Type: Direct bolt-on/plug-in replacement
- Origin: Mainland China
Package includes:
- 1 × EIFETT D1S Xenon Headlight Ballast Control Unit
Warnings & Reminders
- Professional automotive electrical work is recommended; installation manuals are not included with this unit.
- Verify your exact chassis year, model trim, and D1S bulb requirement before purchasing to confirm compatible hardware routing.
- Always disconnect the negative battery terminal before accessing headlight modules to prevent control module damage or short circuits.
- This is an aftermarket replacement part and does not include manufacturer-billed warranty coverage.
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