All of the products we sell conform to European regluations and specifications. Petrol: 3.4, 4.0. Petrol: 4.4, 4.6. Cross Reference: OE: 11311741746S1, 11311741746, LHN000040S1, LHN000040 BGA: TC0903FK FAI AutoParts: TCK328NG. All of our items are sent from the UK.If a part is suspected faulty a replacement will be sent out after the return and testing of the old unit. We do not accept labour and consequential loss claims.