Dayco Radiator Coolant Hose P/N:70622
Dayco 71842 lower radiator coolant hose for the 1994-2004 Ford Mustang V6 3.8L and the 2004 Mustang V6 3.9L carries engine coolant between the radiator and the engine. This Dayco coolant hose replaces a lower hose that has worn out.
Coolant seepage at the hose ends, a cracked or swollen hose, or an engine that runs hot can mean the lower radiator coolant hose is wearing out. These signs alone do not prove the hose is the problem, since a bad thermostat is another common cause of overheating.
This hose fits the 1994-2004 Ford Mustang V6 3.8L and the 2004 Mustang V6 3.9L. Both engines take one lower radiator coolant hose, and this listing is that one hose.
Fit and size
Build and materials
One lower radiator coolant hose. A protective sleeve and a heat shield are not included.
Interchange: 24292L · 22042 · 62099 · 1049 · KM2845 · KM3255 · 8725
This part cross-references / interchanges with the following part numbers:
Does the Dayco 71842 hose fit the 1994-2004 Ford Mustang V6 3.8L?
Yes. Dayco 71842 fits the 1994-2004 Ford Mustang V6 3.8L and the 2004 Mustang V6 3.9L, and each takes one hose.
Is the Dayco radiator coolant hose 71842 an upper or lower hose?
It is a lower hose. The Dayco 71842 is a single I.D. hose made of EPDM, sold as one hose.
What diameter is this lower radiator coolant hose?
This lower radiator coolant hose has a 1 3/4 in (1.75 in) diameter and a 17 in trunk height.
How can I tell if this lower radiator coolant hose is going bad?
With the engine off and cool, look for cracks, swelling, soft spots or dried coolant residue at the hose ends. A shop can pressure-test the cooling system if you are unsure.
Does this radiator coolant hose come with a protective sleeve or heat shield?
No. The Dayco 71842 is the hose only; a protective sleeve and a heat shield are not included.
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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.