{"product_id":"new-6g-d1s-headlamp-ballast-for-bmw-audi-vw-gmc-volvo-valeo-89034934-4l0907391","title":"D1S HID Headlamp Ballast for BMW Audi VW GMC Volvo, Fits 89034934 4L0907391","description":"\u003cdiv\u003e\n\u003cp\u003eRestore crisp, reliable HID lighting without replacing your entire headlight housing. This aftermarket D1S HID headlamp ballast serves as a direct OE replacement for igniters that fatigue due to prolonged heat exposure, moisture ingress, or internal circuit board degradation. Specifically calibrated to reference numbers 4L0907391 and 89034934, it supplies consistent high-voltage current to your discharge bulbs, erasing symptoms like erratic flashing, slow warm-up times, and intermittent power loss. Built to fit seamlessly across diverse BMW, Audi, Volkswagen, Volvo, Renault, and GMC chassis, each unit receives full factory cycle testing to ensure immediate activation and long-lasting resistance to road vibration and thermal stress.\u003c\/p\u003e \u003ch2\u003ePractical Application Tips\u003c\/h2\u003e\n\u003cul style=\"margin-bottom: 10px;\"\u003e \u003cli\u003ePair this module with newly purchased D1S bulbs, as worn filaments often mimic ballast failure and complicate troubleshooting.\u003c\/li\u003e \u003cli\u003eCut power to the vehicle before disconnecting the old unit to prevent transient voltage spikes from affecting infotainment or dashboard modules.\u003c\/li\u003e \u003cli\u003eLubricate exposed copper contacts with dielectric grease before reconnecting to shield terminals from corrosive road spray and brake dust.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul style=\"margin-bottom: 10px;\"\u003e \u003cli\u003eConnector Type: D1S semi architecture\u003c\/li\u003e \u003cli\u003eOE Cross Reference Numbers: 4L0907391, 89034934, VZ739, 63117180050, 30784293, 6224L8, 7701208945\u003c\/li\u003e \u003cli\u003eSafety Compliance: CE certified construction\u003c\/li\u003e \u003cli\u003eProduction Grade: 100% virgin manufacturing, shop verified\u003c\/li\u003e \u003cli\u003eSystem Role: Headlamp projection assembly driver\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul style=\"margin-bottom: 10px;\"\u003e \u003cli\u003e1 × D1S HID Headlamp Ballast\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eImportant Reminders\u003c\/h2\u003e\n\u003cp\u003eWiring diagrams and mounting guides are excluded from this shipment, so enlisting a certified auto electrician remains the safest approach for proper harness routing and secure mounting. Minor visual shade variances may occur because of monitor color profiles, and verifying your original connector angle before ordering prevents unnecessary returns.\u003c\/p\u003e\n\u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e\n\u003cp\u003eWe have supplied precision automotive components to garages and DIY builders at intercyprus.com since 2002.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":55176311767382,"sku":"1005004773258326-Default Title","price":43.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S18fc365e0386451ba6ec9a6f566fe878S.webp?v=1788284171","url":"https:\/\/www.intercyprus.com\/products\/new-6g-d1s-headlamp-ballast-for-bmw-audi-vw-gmc-volvo-valeo-89034934-4l0907391","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}