A/C Evaporator Core. 2000 GMC Yukon XL 2500 Engine: 6.0L V8; Position: Front;. 2001 GMC Yukon XL 2500 Engine: 6.0L V8; Position: Front;. 2001 GMC Yukon XL 2500 Engine: 8.1L V8; Position: Front;. 2002 GMC Yukon XL 2500 Engine: 6.0L V8; Position: Front;.