Vacuum Line Restrictor Three Sixteenths Inch By 0.0185 Inch Orifice White Replacement Part For Automotive Vacuum Fittings Dorman Help 47311 Durable Auto Grade Fit For Most Standard Vacuum Systems Easy Install

3/16 in Vacuum Line Restrictor with.0185 in Orifice
✔️ Auto-grade fit; 3/16 in x.0185 in orifice; easy install

This white vacuum line restrictor (part no. 47311) is a compact inline component designed to regulate vacuum flow in automotive vacuum systems. It’s a handy fit for standard vacuum fittings in the engine bay and vacuum-operated actuators.

✅ Size: 3/16 in inlet with 0.0185 in orifice (4.76 mm x 0.47 mm)
✅ Material: durable auto-grade plastic
✅ Color: white
✅ Pack: single unit

💡 What is a vacuum line restrictor used for in automotive systems? A handy, compact inline part that controls vacuum pressure across various components.

- Keeps vacuum flow steady in intake manifolds and vacuum lines
- Reduces pressure spikes to improve actuator response
- Simple drop-in replacement for standard automotive vacuum fittings
- Compatible with 3/16 in x.0185 in orifice sizing