Dayco Radiator Coolant Hose P/N:70539
Dayco 72563 upper driver radiator coolant hose for the 2012-2013 Mazda 3 Sport 4-cylinder 2.0L or 2.5L and other vehicles carries coolant between the engine and the radiator.
A cracked or swollen hose, coolant drips at its ends or steady coolant loss can mean the hose is wearing out. These signs alone do not prove the hose is at fault; a faulty radiator cap is another common cause of coolant loss.
This hose fits the 2012-2013 Mazda 3 Sport 4-cylinder 2.0L or 2.5L and the 2010-2013 Mazda 3 4-cylinder 2.0L or 2.5L. Both cars need one hose.
Fit and size
Build and materials
One radiator coolant hose with a protective sleeve. A heat shield is not included.
Interchange: 22794L · 66492 · 24279 · 16945
This part cross-references / interchanges with the following part numbers:
Is this Dayco coolant hose right for the 2010-2013 Mazda 3 4-cylinder 2.0L or 2.5L?
Yes. Dayco 72563 is the upper driver-side hose for the 2010-2013 Mazda 3 4-cylinder 2.0L or 2.5L, and the car takes one.
What is this Dayco radiator coolant hose made of?
The hose is EPDM and comes with a protective sleeve. Dayco 72563 is a single I.D. hose that carries SAE J20R4 Class D-1 and SAE J1684 Type EC.
Does the hose come with a heat shield?
No. This hose comes with a protective sleeve, but a heat shield is not included.
Is 22794L an interchange number for Dayco 72563?
Yes. 22794L is listed as an interchange number for Dayco 72563, the upper driver-side radiator coolant hose.
How can I tell this upper radiator hose is going bad?
With the engine off and cool, look the hose over for cracks, a soft or swollen spot, or coolant residue at the ends. Any of these can mean the hose needs replacing.
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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.