Suggested Retail: $49.48. Dasbecan O2 Oxygen Sensor Set for Audi Q5 A4 A6 - This O2 Oxygen Sensor Set by Dasbecan is designed for Audi Q5, A4, and A6 models. The set features high-quality raw materials for easy installation and fuel efficiency improvement. The sensors play an important role in detecting oxygen content, enhancing fuel efficiency. The set includes an upstream sensor with 6 pins and 5 wires, and a downstream sensor with 4 pins and 4 wires. The sensors are made of stainless steel and aluminum oxide. Brand: Dasbecan -- LOT STICKER: TCE-BOX-BOXTCED0401-ITEM-5ba9644b___LPNAC799171236 Dasbecan O2 Oxygen Sensor Compatible with Audi Q5 2.0L 20112017, Audi A4 2.0L 20092016, A6 20122015 Upstream Downstream Oxygen Sensor 2PCS Set Replaces 25024672 25025040 -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.