Oil Pump Aluminum sleeve - the seal connecting the oil pump to the pick up pipe supported by triple sealing for Vauxhall Opel Insignia Zafira Astra Cascada 2.0 CDTI. Oil Pump Pickup Pipe seal occurs as an O-ring that is situated between the oil pump and the pickup pipe in the Opel Insignia 2.0 CDTI diesel engine.
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