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OE-PART W003T18471 HID Xenon Ballast - 35W D3S D3R D4S D4R Headlight Control Module for Audi A4/Q7, Volkswagen Golf/Jetta, Porsche 911/Macan, Chrysler 300, Dodge Viper

SKU: BAL-OEP-8K0941597-X1
OE-PART W003T18471 HID xenon ballast control unit front view.
OE-PART W003T18471 HID xenon ballast control unit front view.
Volkswagen Golf MK7 factory HID ballast replacement module.
The connecting port of a 12V DC to 85V AC output 35W xenon ballast module.
OE-PART W003T18471 HID xenon ballast control unit front view.
OE-PART W003T18471 HID xenon ballast control unit front view.
Volkswagen Golf MK7 factory HID ballast replacement module.
The connecting port of a 12V DC to 85V AC output 35W xenon ballast module.

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OE-PART W003T18471 HID Xenon Ballast - 35W D3S D3R D4S D4R Headlight Control Module for Audi A4/Q7, Volkswagen Golf/Jetta, Porsche 911/Macan, Chrysler 300, Dodge Viper

OE-PART: Best Alternative to the OEM HID Ballasts

The OE-PART W003T18471 HID Xenon Ballast Control Module is an aftermarket replacement 35W headlight control unit designed for vehicles equipped with factory-installed HID headlights using Mitsubishi / Mitsubishi Electric platform ballasts. Manufactured to meet the specifications, fitment, and functions of original equipment ballasts, this unit powers 35W D3S, D3R, D4S, and D4R xenon HID bulbs with an integrated igniter connection. Sourced through HID Concept.com, it provides a direct replacement option for original factory parts without high dealership markup costs. Sold individually (Pack of 1).

Key Features & Benefits

  • Direct OEM-Fit Replacement: Manufactured to meet original equipment specifications for Mitsubishi part number W003T18471 and cross-reference numbers 8K0941597B, 8K0941597E, 68170821AA, 991-618-323-03, and A2048703226.
  • 35W Power Output: Operates on a 12V DC input to output 85V AC at 35W rated power.
  • Multi-Bulb Type Compatibility: Rated specifically for 35W D3S, D3R, D4S, and D4R xenon HID bulb applications (with igniter).
  • Plug-and-Play Integration: Directly replaces factory modules using existing headlight mounting locations and wire harness connection points.
  • Single Module Package: Supplied as a 1-pack for replacing an individual failed headlight ballast.

Vehicle Compatibility Section

This OE-PART ballast replaces Mitsubishi model W003T18471 as well as Audi/Volkswagen numbers 8K0941597B / 8K0941597E, Chrysler number 68170821AA, Porsche number 991-618-323-03, and Mercedes-Benz number A2048703226. It is compatible exclusively with vehicles equipped with factory HID xenon headlights:

Cross-Reference OEM Part Numbers

  • Mitsubishi / Mitsubishi Electric: W003T18471
  • Audi / Volkswagen: 8K0941597B / 8K0941597E / 8K0941597
  • Chrysler / Dodge: 68170821AA
  • Porsche: 991-618-323-03
  • Mercedes-Benz: A2048703226

Vehicle Application List (Factory HID Xenon Trims Only)

  • 2009–2016 Audi A3 (Fits vehicles with factory HID headlights)
  • 2008–2017 Audi A4 / S4 (Fits vehicles with factory HID headlights)
  • 2008–2017 Audi A5 / S5 (Fits vehicles with factory HID headlights)
  • 2009–2016 Audi A6 / S6 (Fits vehicles with factory HID headlights)
  • 2012–2015 Audi A7 / S7 (Fits vehicles with factory HID headlights)
  • 2011–2014 Audi A8 / S8 (Fits vehicles with factory HID headlights)
  • 2013–2015 Audi RS5 (Fits vehicles with factory HID headlights)
  • 2013–2015 Audi RS7 (Fits vehicles with factory HID headlights)
  • 2015–2017 Audi Q3 (Fits vehicles with factory HID headlights)
  • 2009–2017 Audi Q5 / 2014–2017 SQ5 (Fits vehicles with factory HID headlights)
  • 2007–2015 Audi Q7 (Fits vehicles with factory HID headlights)
  • 2009–2017 Volkswagen CC (Fits vehicles with factory HID headlights)
  • 2013–2016 Volkswagen Jetta (Fits vehicles with factory HID headlights)
  • 2015–2017 Volkswagen Golf / GTI (Fits vehicles with factory HID headlights)
  • 2011–2017 Volkswagen Touareg (Fits vehicles with factory HID headlights)
  • 2012–2019 Porsche 911 (Fits vehicles with factory HID headlights)
  • 2015–2018 Porsche Macan (Fits vehicles with factory HID headlights)
  • 2013–2016 Porsche Boxster / 2014–2016 Cayman (Fits vehicles with factory HID headlights)
  • 2011–2023 Chrysler 300 (Fits vehicles with factory HID headlights)
  • 2013–2017 Dodge Viper (Fits vehicles with factory HID headlights)

Important Compatibility Note: Fits factory HID Xenon headlight systems only. Does not fit halogen or LED headlights. Compatible with HID-equipped trims only. Please verify your vehicle has factory HID headlights and check your original part number before purchase.

Performance & Visibility Section

The OE-PART W003T18471 control module delivers 35W output power at 85V AC to supply consistent power for compatible D3S, D3R, D4S, and D4R xenon HID bulbs. Sourced as a direct-replacement module through HID Concept.com, it provides a functional alternative to original equipment hardware when replacing a non-functioning headlight ballast.

OEM Quality & Reliability Section

Sourcing replacement lighting hardware through HID Concept.com offers a lower-cost alternative to dealer parts. Manufactured to match the specifications, fitment, and functions of OEM units, this non-OEM replacement module provides stable power delivery with an approximate rated lifespan of 2,000 hours.

Note: Ballasts and bulbs age over time. HID Concept recommends considering replacing ballasts or bulbs in pairs if both original units share similar operating hours.

Installation Information

The OE-PART W003T18471 ballast is a direct-fit replacement designed to align with factory mounting locations and plug connectors on compatible vehicles.

To install, ensure power to the headlight assembly is completely switched off before replacing the factory ballast module.



Technical Specs

Input Voltage 12V DC
Output Voltage 85V AC
Output Power 35W
Rated Lifespan appx 2000 hours
Application D3S D3R D4S D4R (w/ Igniter)

HIDCONCEPT.COM ships worldwide using UPS, DHL, & USPS within 24-48 hours during the business days.

For International customers:

Please be aware that your country may charge you customs duties, taxes, and brokerage fees on importing goods on certain products. We are not responsible for any customs or duty taxes that your country’s government agency may charge on your merchandise. We advise you to consult your local government import office with any questions.

Return

We will accept returns for a refund or exchange on products in NEW/ unopened condition with the UNOPENED original package within 30 days of delivery. All returns without an exchange are subject to a 15% restocking fee without exception. The customer would be responsible for return shipping unless the reason for the return was our mistake which we will send you the pre-paid shipping label for. Your original shipping cost will be deducted from the refundable amount if you use the promotional free shipping code. All refunds must be issued back to the original payment method. We will NOT be able to process your return if your RMA number is not included with your product. Please allow 2-3 business days for us to process the return upon receipt.

We reserve the right to deny/ refuse the return if your return does not meet the criteria stated above.

Exchange

Product may be exchanged if they are in NEW/ unopened condition with the UNOPENED original package within 30 days of delivery. Customer is responsible for shipping cost to and from our warehouse unless exchange is required by our mistake which we will cover all the shipping costs. You will not be able to re-use any promotional free shipping code if you have already used them on your original purchase.

Refund

Please allow 2-3 business days for us to process your refund once we receive your returned product. We will not issue the refund if your returned product does not meet the criteria we have stated on our return policy. Please note that there is a 15% restocking fee unless you are returning your product for an exchange.

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