“2x OEM for 10-15 Audi A4 S4 Xenon HID Headlight Ballast pn 8K0.941.597 E” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 2x OEM for 03-14 Porsche Cayenne Hella D1S 5000K 35W Xenon HID Headlight Bulb $74.68 Qty $74.68 × New OEM 07-12 Volvo S80 HID Xenon Philips D1S Headlight Bulb Part No 983581 $64.01 Qty $64.01 × OEM 13-18 Kenworth T680 Xenon HID Headlight Ballast Module P54-6103-11000R $45.85 Qty $45.85 × 2x OEM for 10-15 Audi A4 S4 Xenon HID Headlight Ballast pn 8K0.941.597 E $86.17 Qty $86.17 Coupon: Apply coupon Update cart Cart totals Subtotal $270.71 Shipping USPS Priority Mail (2-3 days): $8.95 USPS Express (1-2 days): $27.99 USPS First Class - Free Shipping International Delivery: $69.95 Shipping to CA. Total $279.66 Proceed to checkout