HomeTechSmart R66074 High Intensity Discharge (HID) Lighting Ballast
Part #: R66074

TechSmart R66074 High Intensity Discharge (HID) Lighting Ballast

⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$254.63Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, Eos, Passat, and Q7
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HID Lighting Ballast for Audi and Volkswagen Models

The TechSmart R66074 High Intensity Discharge (HID) Lighting Ballast is designed to provide consistent and efficient lighting performance for select Audi and Volkswagen vehicles. Engineered with precise connector and terminal specifications, this ballast ensures a secure electrical connection for optimal headlight operation.

  • Connector Gender: Female for secure plug-in connection
  • Connector Quantity: 1, designed for single ballast input
  • Terminal Gender: Male for reliable electrical contact
  • Terminal Quantity: 1, supporting stable power delivery

Technical Overview of the TechSmart R66074 HID Ballast

This HID lighting ballast is engineered to regulate voltage and current for the high-intensity discharge lamps in Audi Eos, Volkswagen Passat, and Volkswagen Q7 models. The female connector and single terminal configuration facilitate straightforward integration with the vehicle’s existing wiring harness. The male terminal ensures a firm and consistent electrical connection, minimizing the risk of flickering or failure. The part number R66074 corresponds specifically to this configuration, making it a precise replacement for compatible vehicles.

Compatible Vehicles and Applications

  • Compatible with Audi Eos models requiring HID ballast replacement
  • Suitable for Volkswagen Passat vehicles equipped with HID lighting systems
  • Designed for Volkswagen Q7 models with factory HID headlights
  • Addresses issues such as flickering headlights, ballast failure, and inconsistent lighting output

Installation Notes and Tips

When installing the TechSmart R66074 HID ballast, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that the male terminal is securely connected to maintain stable electrical flow. It is recommended to handle the ballast carefully to avoid damage to the connectors and terminals. Professional installation is advised to ensure proper fitment and function.

Quality Assurance and Warranty Information

TechSmart manufactures this HID lighting ballast to meet industry standards for durability and performance. While specific warranty details are not provided, TechSmart products typically undergo quality control testing to ensure reliability in automotive lighting applications. Using the correct part number R66074 guarantees compatibility and helps maintain the integrity of your vehicle’s lighting system.

BrandTechSmart
Part NumberR66074
Connector GenderFemale
Connector Quantity1
Terminal GenderMale
Terminal Quantity1

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2011VolkswagenEosN/AHeadlight
2010VolkswagenEosN/AHeadlight
2010VolkswagenPassatN/AHeadlight
2009AudiQ7N/AHeadlight
2009VolkswagenEosN/AHeadlight
2009VolkswagenPassatN/AHeadlight
2008AudiQ7N/AHeadlight
2008VolkswagenEosN/AHeadlight
2008VolkswagenPassatN/AHeadlight
2007AudiQ7N/AHeadlight
2007VolkswagenEosN/AHeadlight

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4L0907391601-09173111231HDB155HID155HID751V99-84-0065

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.