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Derale 3/8" NPT Male x 1/2" Barb Straight Hose Fitting

Derale 3/8" NPT Male x 1/2" Barb Straight Hose Fitting

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Threads into 3/8" NPT, female cooler fitting to attach transmission line. 1-800-940-8924 to order Derale accessories and parts part number D98102 or order online at Free expert support on all Derale products. Great prices and Fastest Shipping for Derale 3/8" NPT Male x 1/2" Barb Straight Hose Fitting. Accessories and Parts reviews from real customers.
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  • Reviews (1)
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Derale Accessories and Parts

  • Transmission Coolers
  • Fittings
  • 3/8 NPT x 1/2 Hose Barb
  • Derale

Threads into 3/8" NPT, female cooler fitting to attach transmission line.


  • Threads into heat exchanger to allow for hose attachment
  • Fits 3/8" NPT, female cooler-core inlets


  • 3/8" NPT male x 1/2" hose barb
  • 1-Year warranty

98102 Derale Straight Hose Barb Fitting

Item # D98102

Video of Derale 3/8" NPT Male x 1/2" Barb Straight Hose Fitting

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Review of Derale Transmission Cooler Straight Hose Fitting - D98102

Hi there. I'm Michael with Today we're gonna take a quick look at this Derale 3/8-Inch MPT Male by 1/2-Inch Barb Straight Hose Fitting. Now, this is going to thread onto a heat exchanger to allow for a hose attachment. This will fit with a 3/8-inch MPT female cooler core inlet. And then the hose fitting here is a 1/2-inch hose barb.

So, as long as the inner diameter of your hose is 1/2 inch, will work great for you to allow you to put that hose onto that heat exchanger. So that's gonna complete our look for today. Again, I'm Michael with Thanks for watching..

Customer Reviews

Derale 3/8" NPT Male x 1/2" Barb Straight Hose Fitting - D98102

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

Threads into 3/8" NPT, female cooler fitting to attach transmission line.


I ordered three items from etrailer; engine oil cooler D15503, brake controller 5535-3040P, and locking tailgate handle. The brake controller installed without a hitch and only minor issues with the tailgate handle. The engine oil cooler modification fought me throughout but some of the problems I caused myself. D15503 was the wrong kit ordered but was such fine quality I decided to keep the kit and order just the correct sandwich adapter D25772. This adapter fit correctly by the 18mm adapter nut did not. A local machine shop retapped this nut to fit on the engine side of the adapter. Additionally, the initial barb hose adapters from the initial kit will not fit within the new sandwich adapter. Once received everything assembled like clockwork. I do not recommend this method to anyone trying in install on a 2012 Toyota Tacoma. I could not have accomplished this installation without the help of Chris J. Please consider me a loyal customer. Thank you.


See what our Experts say about this Derale Accessories and Parts

  • Will Derale Thermostatic Sandwich Adapter Fit 2009 Ford F-150 XLT
    The Derale Thermostatic Sandwich Adapter # D25702 fits most vehicles with spin-on oil filters. We do not have any specific fitment information for this adapter, but as long as you have a spin-on oil filter it will more than likely work. It requires two 3/8” NPT x 1/2” hose barbs like the # D98102. Straight should be fine.
    view full answer...
  • Adding Fluid Control Thermostat and Derale Transmission Cooler to 2007 Ford F-150
    Most likely your 2007 Ford F-150 has 3/8 inch lines so you will want to go with the Derale Fluid Control Thermostat with 3/8" NPT Ports # D25791. Adding this to bypass the Derale Cooler # D15902 that you mentioned is a great idea allow the fluid to warm up faster on those cold winter mornings. The Fluid Control Thermostat does include a heavy-duty mounting bracket but you will need to add the Derale 3/8" Fittings # D98102. There is not a kit available with all of these parts included....
    view full answer...
  • Recommended Combination Engine Oil and Transmission Cooler for 2011 Ford Explorer Limited
    The first thing you will want to check on your 2011 Ford Explorer is if it has a transmission fluid dip stick and a way for you to add fluid. On many newer vehicles, there is a special tool needed to even check or add fluid that the dealer has. If yours is like that then the cooler would have to be professionally installed. Derale combination cooler # D15902 is the one that I recommend. I have included a link to a video showing an example installation. It is on a different vehicle but...
    view full answer...

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Info for this part was:

Employee DeAnne T
Updated by:
DeAnne T
Employee Adele M
Updated by:
Adele M
Employee Daron K
Updated by:
Daron K
Employee Michael B
Installed by:
Michael B

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