R-Spec 1/4 NPT to 1/8 NPT Remote Dual Sensor Adaptor (Stainless steel/clear PVC finish). 1 x Male 1/4 NPT thread, 1 x female 1/4 NPT thread, 1 x female 1/8 NPT thread. This is not to be confused with cheaper mass produced and unverified kits.
eBay
Vacuum Manometer Mini Dial Dual Scale Dial Gauge 1/4" NPT -30HG/0PS Vacuum Pressure Meter 2" Dial Digital Display Gauge
Aliexpress UK
1/4in NPT: Vacuum pressure gauge adopts 1/4in NPT thread specification, Minus40℃ to 70℃ ambient temperature, shock resistance. Item Type: Pressure Gauge 1/4 Npt. Thread Specification: 1/4 NPT. 1 x Pressure Gauge 1/4 NPT.
eBay
40-120 Digital Water Temp Gauge with Sensor 3/8 NPT Water Temperature Sensor Red Backlight 52mm Gauge Indicator For Car Boat
Aliexpress UK
Connection: 1/8" NPT Thread. With mini size, it is convenient to carry. 1 x Pressure Gauge. Mini size, convenient to carry. If you are satisfied with our service, pls. Clear number markings for convenient and easy readings.
eBay
2" 52MM Mechanical Water Temp Gauge 40-130℃/110-265℉ Water Temperature 12V Temp Gauge Yellow Light Car Meter With Sensor NPT 1/2
Aliexpress UK
Thread specification: NPT. Connection: 1/4" NPT Thread. 1 x Pressure Gauge. If you are satisfied with our service, pls. Clear number markings for easy readings.
eBay
40-130℃/110-265℉ Mechanical Water Temp Gauge 12V 52MM Water Temperature Gauge Yellow Light Car Meter With Sensor NPT 1/2
Aliexpress UK
Torques Analog Fuel Pressure Gauge. When reading fuel pressure, keep in mind that a fluid filled pressure gauge will change it’s reading as the temperature of the gauge case changes (Under hood temperature).
eBay
1/4" NPT Female To Male M8-20 1/8" 1/4" 3/8" BSP NPT Hex Reducer Bushing 304 Stainless Adapter High Pressure for Pressure Gauge
Aliexpress UK
Inlet Thread Size: 1/8" NPT Male; Outlet Thread Size: 1/8" NPT Female;. Center Tap Thread Size: 1/8" NPT Outlet Female. Center Tap Thread Size: 1/8" NPT Outlet Female. Outlet Thread Size: 1/8" NPT Female.
eBay
3 IN 1 Car Digital Gauge 52mm Oil Pressure + Tachometer + Water Temp Gauge With Alarm Temperature Sensor NPT 1/8 RPM Sensors
Aliexpress UK
Fit with 1/8 NPT / 3/8 NPT Threads. 1 Oil Pressure Gauge 1/8 NPT. 1 3/8 NPT.
eBay
52MM Racing Gauge 40~120 Celsius Water Temperature Gauge with sensor 1/8 NPT Water Temp Joint Pipe Sensor Radiator 26mm-40mm
Aliexpress UK
1/4in NPT: Vacuum pressure gauge adopts 1/4in NPT thread specification, Minus40℃ to 70℃ ambient temperature, shock resistance. Item Type: Pressure Gauge 1/4 Npt. Thread Specification: 1/4 NPT. 1 x Pressure Gauge 1/4 NPT.
eBay
0-60PSI / 0-3000 PSI Co2 Regulator Gauge Replacement, Co2 Pressure Gauge with 1/4"NPT Thread for Homebrew CGA320/W21.8 Regulator
Aliexpress UK