Lower Radiator Hose for 1964-1973 Mustangs with a Late Model 5.0L Engine.This hose makes the connection between the serpentine belt water pump and early Mustang radiator. Now there is no need to replace radiator when converting to serpentine belt in your early model Mustang. Can be used when converting early engine to serpentine belt.
-Commercial chrome plated steel tubing
-High quality silicone hose and stainless steel hose clamps
*Will only work on Mustangs with a water pump inlet on the driver side and a radiator outlet on the passenger side. Will work with RAD259, RAD338 and RAD340 style radiators.
Picked one of these up during a sale. One thing I noticed during installation is that if you are running a fuel pump that is larger than stock it will rest against the pump. I also noticed there was no ridge on the end of the tubing to help retain the silicone couplers, 10 minutes after the first start up when pressure built up in the cooling system the lower hose blew off even though the hose clamps were so tight the silicone was starting to extrude through the slots in the clamp. It turns out wet silicone on chrome plated tubing will slip no matter what. The fix? We fired up the welder and ran a bead around each end of the tubing, ground it down a bit, dressed to replicate the ridge on the radiator connections and reinstalled, have not had a hose blow off since. 800 miles after installing the radiator outlet started leaking where it was attached to the radiator, I pulled the radiator and had it repaired. My theory was that since the tubing is rigid and doesn't line up perfectly with the radiator that it was
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