Click here to download installation instructions (PDF)
These adapters are compatible with the following Radium Engineering products:1. MPR Multi-Port Regulator
2. DMR Direct Mount Regulator
3. FST-R Fuel Surge Tank-Regulated
4. FPD-R Fuel Pulse Damper-Range
5. FPD-XR Fuel Pulse Damper-Extra Range
6. FPR-D Fuel Pressure Regulator-Damper
7. Applicable Fuel Hangers: BMW, Ford, Nissan
NOTE: READ THE INSTRUCTIONS PRIOR TO REMOVING THE FACTORY INSTALLED BARBED NIPPLE.
14-0369 3AN VACUUM PORT ADAPTERBlack zinc-plated 10-32 thread to 3AN adapter machined from high strength steel.
![](https://www.radiumauto.com/Assets/ProductImages/3AN_Install.jpg?ts=125738)
Allows connection of a 3AN hose to the vacuum port.
![](https://www.radiumauto.com/Assets/ProductImages/3AN_Vacuum_Adapter.jpg?ts=030950)
*NOT COMPATIBLE WITH FPD-R PRIOR TO JULY 2019*
![](https://www.radiumauto.com/Assets/ProductImages/14-0369.jpg)
14-0190 3/16" BARB VACUUM PORT ADAPTERAs shown below, these adapters are included with all Radium Engineering fuel pulse dampers and fuel pressure regulators as standard. They are black zinc-plated with 10-32 threads that adapt to 3/16" (5mm) barb.
![](http://www.radiumauto.com/Assets/ProductImages/20-0528-01_B.jpg)
NOTE: Many different diameter vacuum hoses can be used, including: 5/32" (4mm), 3/16" (5mm), and 7/32" (6mm).
![](http://www.radiumauto.com/Assets/ProductImages/14-0190.jpg)
14-0769 1/4" PUSH-TO-CONNECT VACUUM PORT ADAPTERThis is a vacuum fitting that adapts 10-32 thread to 1/4" push-to-connect.
![](https://www.radiumauto.com/Assets/ProductImages/14-0769_Install.jpg?ts=012012)
Machined from brass then nickel-plated with Buna-N O-rings.
![](https://www.radiumauto.com/Assets/ProductImages/14-0769n.jpg?ts=122138)
The required hard plastic 1/4" OD tubing (shown below) must be purchased elsewhere.
![](https://www.radiumauto.com/Assets/ProductImages/14-0769_with_tubing.jpg?ts=045737)
18-0112 VACUUM PORT PLUGBlack-oxide 10-32 threaded plug machined from stainless steel.