25902 Speedometer Tone Wheel, 49 Spline.
Replacement for damaged tone wheels.
For 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM 6.6L Duramax LB7 LLY LBZ
Fits 49 Spline 261HD, 263HD, 261XHD, and 263XHD. Must check spline count on HD models. Replacement for damaged tone wheels.