I wasn't sure what size clamp I needed for the oil cooler lines on my van so I got this whole set of different sizes. They're not as thick as the OEM clamps, so I doubled them up by routing the clamps side-to-side on each hose connector. Even if one of these fails, there is a reserve on all 4 hose connections of the transmission oil line to the cooler. So far there have been no leaks or seepage. The second largest clamp was the perfect size for my 3/8" Gates ATF hose. From what has been said, if there weren't room to double the yokes I'd be nervous about their strength or tightness if only one Clamp is used on each hose fitting.Probably works best as a low pressure or vacuum hose clamp.Some automatic transmission cooler lines can sometimes have pressures in excess of 60psi, but typically under 30psi.
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