For 1999.5 Golf®/Jetta® and all New Beetle® TDI® Timing Belt Replacement (ALH engine codes) up to and including 2003, and now 2004-2006 BEW engine codes (1.9 PD). Precision ground, hardened, and vented stainless steel. For ALH, this pin locks the injection pump at top dead center. For 2004-2006 models with 1.9 PD (BEW, BRM) engines and 2.0 PD (BHW) engines, this same pin is used for locking the camshaft sprocket hub at TDC.