.You are bidding on a used OEM Secondary Smog Pump removed from a 2002 VW Beetle. This Item  fits a wide variety of VW Beetles Passats Golfs and Jettas built from 1998 through 2003. It is also compatible with some but not all Audi A4s and A6s built from 1998 through 2003. The Unit was tested and works perfectly.  The suction is strong and putting the palm of your hand on the inlet side proves the fact. This is an OEM Unit made by Pierburg of Germany. You take your chances when installing after market Units and you run the risk of failing emissions. The VW part number - 06A 959 253 B - for this Pump is shown in one of the Pics so please make sure that the Unit you are replacing has  the same part number. If the numbers do not match you must not bid. Refer to the Pics which show this Item in considerable detail from several angles and make sure it meets your needs. You are Guaranteed satisfaction and the Pump comes with an unconditional 14 day return policy. If dissatisfied just return it at your expense and your purchase price only will be refunded.