Part Type: Engine Coolant Reservoir. Application Notes: Engine: 6.6LL V8;. 2001 GMC Sierra 2500 HD Engine: 6.6LL V8; Position: Front;. 2002 GMC Sierra 2500 HD Engine: 6.6LL V8; Position: Front;. 2003 GMC Sierra 2500 HD Engine: 6.6LL V8; Position: Front;.
