Part Type: A/C Accumulator. Type: Accumulator. 2001 GMC Sierra 1500 HD. 2002 GMC Sierra 1500 HD. 2003 GMC Sierra 1500 HD. 2005 GMC Sierra 1500 HD. California Proposition 65: WARNING: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
