Dayco Engine Coolant Bypass Hose,Radiator Coolant Hose P/N:72098
Dayco 70533 upper radiator coolant hose for the 1970-1972 Oldsmobile Cutlass V8 7.5L, the 1971-1972 Cutlass V8 5.7L and other vehicles carries coolant between the engine and the radiator. Use this Dayco radiator coolant hose when the original has cracked, hardened or started to seep.
A hose that is cracked, swollen, soft or weeping can show up as coolant loss or overheating. Before you replace the hose, rule out the thermostat, the radiator cap and the radiator itself, and with the engine off and cool, look the hose over for splits, bulges and wet spots.
The 1978-1979 Oldsmobile Cutlass Supreme V8 4.3L, the 1979 Cutlass Supreme V8 5.7L, the 1978-1979 Oldsmobile Cutlass Calais V8 4.3L and the 1979 Cutlass Calais V8 5.7L take this hose too, one per vehicle, and it fits many more.
Fit and size
Build and materials
Interchange: 20635X · 3574 · MC22 · MH218 · MH453 · 20980 · CH25 · 60683 · 107 · 20574 · 5031 · KM10 · H311 · MR824 · RH3 · RH56N · CH321 · MC17
This part cross-references / interchanges with the following part numbers:
Is the Dayco 70533 hose right for the 1970-1972 Oldsmobile Cutlass V8 7.5L?
Yes. Dayco 70533 fits the 1970-1972 Oldsmobile Cutlass V8 7.5L, one per vehicle. For another car, check its year, model and engine in the "Vehicles it fits" section.
Is this Dayco coolant hose an upper or lower hose?
This is an upper hose. Dayco 70533 is a single I.D. radiator coolant hose, and the quantity per vehicle is 1.
Which SAE specifications does this upper radiator hose meet?
This hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC, and it is made of EPDM.
How can I tell if this EPDM upper hose is worn out?
With the engine off and cool, look for cracks, bulges, a soft or spongy feel, or coolant seepage near the ends. Any of these can mean the hose is due for replacement.
Does the Dayco 70533 hose include a heat shield or protective sleeve?
No. Dayco 70533 has no protective sleeve and no heat shield.
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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.