REF BULLETIN 21-NA-199 FOR INFO ON BYPASS VALVE IDENTIFICATION IF VEH HAS QUICK CONNECTS MUST ORDER PIPE ASSEMBLY PER VIN
2015 GMC Yukon XL equipped with 6.2L V8 Flex OHV, 5.3L V8 Flex OHV
REF BULLETIN 21-NA-199 FOR INFO ON BYPASS VALVE IDENTIFICATION IF VEH HAS QUICK CONNECTS MUST ORDER PIPE ASSEMBLY PER VIN