LELEHOKA Detroit Diesel DD13/DD15 Timing Tool Set – J-47487 & J-48630 (2-Piece Kit). This heavy-duty 2-piece timing tool kit is designed for servicing Detroit Diesel DD13 and DD15 engines. The set includes the Idler 3 Cantilever Tool (J-47487) and Crankshaft TDC Locating Tool (J-48630), essential tools for accurate engine gear train timing and crankshaft positioning during maintenance and repair procedures.