
The Driveshaft Shop one-piece 3.5-inch aluminum dual-CV shaft is listed to fit all Porsche Cayenne V8 models from 2003–2008 (POSH1-A). The product description explicitly notes fitment to V8 Cayenne variants across those years and identifies the 3.5-inch aluminum dual-CV shaft as the one-piece replacement option intended for those V8 applications.
DSS Porsche 2003-2008 Cayenne V8 1-Piece 3.5in Alum Dual CV Shaft (will fit all V8 models) POSH1-A