Aluminum Oil Cooler Pipe For 4.2L V8 Engine S4, A8, A6, RS6, VW Phaeton BLACK

BILLET oil cooler pipe for A6/S6/RS6 C5 4B 4.2 /, A8/S8 4E 4D2 D2 D3 3.7 4.2 / VW Phaeton 4.2. aluminum oil cooler tube. The OEM plastic tubing often cracks due to heat degradation, causing coolant leaks that could lead to engine failure.