You should know that the screw hole in the lower right corner of this water pump is thicker than the OEM one. The 10mm bolt that attaches it to the aluminum block may be too short, so there may not be enough threading for the recommended tension. I had to buy a screw a little longer. Also, it had good instructions, seals, and a profile lock. Even comes with a pre-calibrated gap to protect the belt from the belt guides. Driven 3000 km so far, seems fine. used this on a 2006 Subaru 2.5L Impreza.