This Derale black anodized fitting connects a 3/8" transmission cooler line to a 3/8" NPT hose barb. It lets you transition from a metal cooler line to barbed hose when plumbing a transmission cooler or auxiliary cooling loop. The fitting is sold individually.
Specifications:
- Fitting type: cooler line to hose barb
- Line end: 3/8" transmission cooler line
- Barb end: 3/8" NPT hose barb
- Finish: black anodized
- Sold: each
- Part number: 13042
FAQ
What does the Derale 13042 fitting connect?
It connects a 3/8" transmission cooler line to a 3/8" NPT hose barb, transitioning from metal line to barbed hose.
What is the finish?
The fitting is black anodized.
Is it sold individually?
Yes, the 13042 is sold as a single fitting.

