Dip the ends in diesel first, it'll go on easily by hand. On broken stubs of old return line, I use needle nose pliers to pinch the sides of the hose. It stretches and loosens the hose without nicking the barb and comes right off.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked