New style filter assembly with 3/8" threads. Includes new style air filter, head, and o-ring. Note: Do NOT order if your head has 2 holes on the SAME side of the head. This head has 3/8" FPT threaded ports on both sides. If your head has a 3/8" port...

Isolator for the pump/motor assembly base. NOTE: To replace all of them you will need to order a quantity of 3. Keep your compressor from vibration damage and replace if any are missing.

Hex Nut for the pump head. The discharge tube attaches to this part. Order the required AC-0781 O-ring Seal as well if needed.

Universal Regulator: 4-port, two 1/4" FPT ports, and two 1/8" FPT ports (gauges sold separately here). The regulator controls the amount of air in your air compressor hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks...

Old Part Numbers: AB-ACG18Saddle mount cup for the motor/pump feet. This installs on the mounting feet of the motor/pump assembly and keeps it from vibrating, as well as reducing noise.

Screw to bolt the fan to the motor, .250-20 x .750 U.

Old Part Numbers: SRV187150, SRV187-1/8Air compressor safety valve, 150 PSI, 1/8" male NPT. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.