Keep coolant moving through your cooling system with the Dayco coolant hose 72378, a curved lower radiator hose that installs as a direct-fit replacement for the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited, and 2007-2010 Saturn Outlook — all with the V6-3.6L engine. This is a Dayco curved radiator hose shaped to route coolant on the lower side of the radiator.
A cracked, swollen, or leaking lower radiator hose can lead to coolant loss and overheating; if a failed hose is the cause, this replaces it. Made in Mexico.
Interchange: 26581X · 23294 · 66120 · 16032
This part cross-references / interchanges with the following part numbers:
What vehicles does the Dayco 72378 radiator hose fit?
It fits the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited, and 2007-2010 Saturn Outlook with the V6-3.6L engine.
Is this an upper or lower radiator hose?
It is cataloged as the lower radiator hose, shaped to route coolant on the lower side of the radiator.
What is this hose made of?
It is a black EPDM rubber hose built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
Is this a curved or straight hose?
It is a curved, molded radiator hose preformed with the factory bends. It has a 1 5/16 in (1.31 in) inside diameter at each end and an 18 in centerline length.
What numbers does this hose interchange with?
It replaces the following cross-reference numbers: 26581X, 23294, 66120, and 16032.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
