For 2.0 CDTI (diesel) engines – Opel, Vauxhall, and Saab TTiD models. Saab 9‑3 / 9‑5 with 2.0 TTiD engine. Opel / Vauxhall 2.0 CDTI (diesel) – various models including Astra, Insignia, Zafira. Essential oil pump pickup tube seal – Prevents air leaks and oil pressure loss.
