Product Overview This adapter extension wiring harness socket connector is intended for applications using H13 9008 and H4 9003 bulb connections. It provides an adapter-style connection between the supplied socket formats. Key Features Adapter extension wiring harness design H13 9008 socket application H4 9003 socket application Socket and connector assembly Compatibility & Fitment H13 9008 H4 9003 Product Details Product Type: Adapter extension wiring harness sockets connector Socket Applications: H13 9008 to H4 9003 Frequently Asked Questions Q: What is this product used for? A: It is used as an adapter extension wiring harness connector for the H13 9008 and H4 9003 socket applications identified in the title. Q: How should I verify fitment before purchase? A: Confirm that your application uses the H13 9008 or H4 9003 socket format and compare the existing connector before ordering. This is a third-party accessory for the referenced application and is not manufactured, sponsored, or endorsed by the referenced trademark owner. Verify the complete model and size before purchase.