Description
Radiator hose connections demand reliability—even a slight leak can compromise cooling performance and risk catastrophic engine damage. The Derale Insta-Dapt DER13004 delivers a precision brass adapter that converts between inverted flare and hose barb fittings, giving you the flexibility to integrate aftermarket radiators, custom cooling lines, or upgraded coolant systems without modification. This is a straightforward bolt-on solution trusted by racers and builders who can’t afford downtime.
- Straight adapter configuration
- 5/16-24 inverted flare
- 5/16 hose barb outlet
- Brass construction
- Natural finish
- Complete kit included
- Male or female options
- No fabrication required






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