abs sensor

I need some help sorting out some mixed information I'm finding. I'm pulling a C0035 code. What I want to know is, can you change the ABS sensor without replacing the whole hub/bearing assembly? I know you can but the sensor separately. Chiltons/Haynes is saying that, "2008 and earlier...

I purchased a used 2004 Chevy Colorado Z71 4x4 3.5L back in December 2010. The seller indicated that the ABS light was on and was because he cut a wire by accident changing the brakes. He was willing to replace the sensor on the front right side. He emailed me saying he replaced the sensor and...