981 4216 Valve Spring

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Volvo S40, 2010 Volvo S40, 2009 Volvo S40, 2008 Volvo S40, and 2007 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.