Fuel Pump for 2002-2003 CHEVROLET AVALANCHE 1500 5.3L, SUBURBAN 1500 5.3L; CADILLAC ESCALADE EXT V8 6.0L, CADILLAC ESCALADE ESV V8 6.0L, 2002-2003 GMC YUKON XL 1500 V8 5.3L. Not Fits Flex Fuel Engine 100% OEM compatible Every single pump is 100% tested in all standards before shipping out of the factory Best materials are used for longer life and durability Designed and manufactured by state of art technology for optimum fuel flow