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...

Plastic plug for the piston pin (two used per piston).

Washer for the flywheel bolt.

Old Part Numbers: 265-16 265-16-1 replaces 265-16

Old Part Numbers: A20868, CAC-54-2Order this when replacing valves along with head gasket (part# 5140118-80).

Vent filter for the pump crankcase. This fits into the top of the cylinder.