The two tension roller models febi 10297 and 23429 seem to be identical in appearance; however, the preload force and the dampening are not identical!Please take special care when fitting these parts, if the incorrect tension roller is used there is the possibility of major engine damage. The tension roller 23429 has a larger working and adjustment range and is suited for a higher temperature range.The tension rollers can be identified by the markings on the back of the tensioner. Febi 23429 is marked "979488" and febi 10297 is marked "979195".The FEBI Timing Belt Tensioner is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.Febi Brillstein is one of the world's leading suppliers of passenger car and commercial vehicle replacement parts to the independent aftermarket.

Product Features:

• OE-Equivalent and a direct fit application.
• High quality sealed precision bearing assembly
• OE specified pulley
• Durable long life performance