O-Ring For Hub Cap (Fits: DAF) | Febi Bilstein 35168 - Single. This O-ring is designed for hub cap applications and is a genuine part from Febi Bilstein. The part number is 35168. It is sold individually. The material is NBR (nitrile butadiene rubber) with a thickness of 3 mm and an inner diameter of 120 mm. Weight is 0.005 kg. It is a seal ring for the wheel hub. Compatible with DAF OEM reference 1692506. For DAF CF 65 FA 65.180 and DAF CF 65 FA 65.220 models.