Dayco Radiator Coolant Hose P/N:70539
Route coolant between the radiator and engine with the Dayco coolant hose 81181, a standard flex radiator hose that drops in as a replacement across a broad range of listed applications — from the 1962-1965 Chevrolet Impala [V8-5.3L] and 1968-1973 Dodge Charger [V8-5.2L] to the 1971-1973 Ford Mustang [V8-5.0L] and 2006-2008 Dodge Charger [V6-3.5L]. With 680 applications, see the Buyer's Guide tab for the full vehicle list.
A radiator hose carries engine coolant through the cooling system; over time rubber can crack, swell, or develop soft spots and seep. If a deteriorated hose is the cause of a coolant leak, this replaces it. Country of origin: Pakistan.
Interchange: L52-11220
L5211220 · 31638 · RH5 · 75 · 506 · C6417 · 619 · 1219 · 25480 · FH81 · 52419 · 1220 · 6020 · 6M19 · KB200 · FF257 · 116 · FC506
This part cross-references / interchanges with the following part numbers:
What is the Dayco 81181?
It's a standard flex radiator coolant hose that carries coolant between the radiator and engine on the listed applications. Both ends have a 1.50 in inside diameter and it measures 19.88 in centerline length.
Will this hose fit my vehicle?
It's cataloged for 680 applications, including the 1962-1965 Chevrolet Impala [V8-5.3L] and 1971-1973 Ford Mustang [V8-5.0L]. Check the Buyer's Guide tab to confirm your exact year, make, model and engine.
Is this an upper or a lower radiator hose?
The catalog lists it for upper, lower, right upper, right lower and left upper positions. Confirm the correct position for your application in the Buyer's Guide before ordering.
What are the signs a radiator hose needs replacing?
Coolant leaks or seepage, cracks, swelling, or soft spots along the hose. If a deteriorated hose is the cause of the leak, replacing it addresses that failure.
Where is this hose made?
The Dayco 81181 has a country of origin of Pakistan.
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.