Gates Radiator Coolant Hose P/N:21603
Gates 20450 upper radiator coolant hose for the 1969-1970 Ford Mustang 6-cylinder 4.1L and other vehicles and equipment carries hot coolant between the engine and the radiator. This Gates radiator coolant hose is molded, not a straight length of tubing.
A coolant hose that is cracked, swollen, soft or weeping at its ends can be due for replacement. With the engine off and cool, look the hose over for cracks, bulges and coolant stains before replacing it, because a leak can also come from a clamp, the radiator or another connection.
This upper hose is a direct-fit replacement for the 1961-1964 Ford F-250 6-cylinder 3.6L, the 1963-1964 F-250 6-cylinder 4.3L, the 1965-1968 F-250 6-cylinder 3.9L or 4.9L and the 1981-1985 Jeep Scrambler 6-cylinder 4.2L.
Fit and size
Build and materials
One radiator coolant hose. These vehicles and equipment take one.
Product information is for general reference and may contain errors. See our Disclaimer.
Will the Gates 20450 hose fit a 1969-1970 Ford Mustang 6-cylinder 4.1L?
Yes, Gates 20450 fits the 1969-1970 Ford Mustang 6-cylinder 4.1L. If your car is not named here, look it up in the Vehicles it fits section to see whether it takes this hose.
Is this Gates coolant hose made of EPDM?
Yes. The tube and the cover are EPDM, over a synthetic fiber knit reinforcement, and the cover resists heat, ozone and chemical coolant.
What size are the ends on this upper radiator hose?
Both ends have a 38 mm (1.5 in) inside diameter. The centerline length is 292 mm (11.5 in).
What temperature range does a Gates molded coolant hose like this one cover?
The temperature range is -40 °F to +257 °F (-40 °C to +125 °C).
Do I need new hose clamps with Gates 20450?
Yes, replace the hose clamps each time you install a new coolant hose such as Gates 20450. This listing is one hose.
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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.