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![Straight Brass Fitting [1/4 in. NPT Male x 5/16 in. Inverted Flare (1/2 in.-20 Thread)]](https://www.jegs.com/images/mini_750/500/555/555-51997.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-51997
Straight Brass Fitting [1/4 in. NPT Male x 5/16 in. Inverted Flare (1/2 in.-20 Thread)]
$639$6.99You Save$0.60
More than 10 available
Ships on Sep 14, 2026
Lowest Price GuaranteeBrass Fittings
- Straight Brass Fitting
- Transmission Oil Cooler Fitting
- 1/4 in. NPT Male x 5/16 in. Inverted Flare (1/2 in.-20 Thread)
- Sold Individually
Typically used for adapting transmission lines to radiator transmission coolers and also engine oil coolers.
Adapter Fitings That Simplify Your Cooler Installation
JEGS Brass Adapter Fittings are designed to make tight sealing connections on pressurized systems. These fittings are ideal for adding most external oil and transmission coolers and will simplify your installation. Available in a variety of sizes to fit most vehicle applications.
Part TypeAdapter Fitting
Product LineJEGS Brass Adapter Fittings
BrandJEGS
Package Height1.0
Package Width4.0
Package Length5.0
Weight0.05 PG
Part CategoryAccessories
Part FitmentUniversal
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
