Porsche Timing Chain Tensioner Rail Screw / Bolt 99610517651
OEM Part #:
996-105-176-51
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The timing chain tensioner rail screw/bolt (OEM part number 99610517651) is a critical component for maintaining optimal engine performance in various Porsche models, including the 911 and Boxster from 1997 to 2008. Located on the timing chain assembly, this fastener secures the tensioner, which plays a vital role in ensuring proper tension throughout the timing chain. Over time, these screws can become worn or damaged, leading to improper tension and potential engine noise or failure. This factory-original part is compatible with multiple engines, including the 3.6L and 3.8L H6 models, providing a reliable solution for both everyday drivers and performance enthusiasts. Other interchangeable part numbers include 99610518802.