Air compressor check valve. 3/8" Comp x 1/2" MPT with 1/8" FPT side port.  The check valve is a one-way valve that prevents air from back-feeding from the air tank. If your unit has a hard time restarting when trying to cycle or your pressure switch...

Powermate Inline-Twin Air Compressor Pump Replacement, Complete Assembly, Single-Stage, 3.7 HP. 13.4 CFM @ 40 PSI. 755H cast-iron pump. Includes flywheel and air filter. OEM Need oil? Click here for synthetic and synthetic-blend air compressor...

Old Part Numbers: 154-4L500Air compressor v-belt, 4L500. Replace if frayed or slipping.Specifications A-type belt, 1/2" wide Outside Dimension: 50" "A" Belt Conversion: A48

Old Part Numbers: 68-6-41/4" NPT x 3/8" OD compression adapter for air compressors. If your pump has an 'X' in front of the serial number and your supply tube measures 3/8" OD, order this part.

Only available in the 125-0151KIT.

Old Part Numbers: 160-0129Note: item is listed with "RHP" (running horsepower). 1.9 RHP, 115 Volt, 3450 RPM, 1PH, 56 FR,Extra DetailsWarranty: 90 days from the date of purchase

Old Part Numbers: 026-0188

Only available in the 125-0151KIT.