If you start to hear knocking from your pump, then you need to replace your bearing inserts. Check crank to make sure it is not damaged.

Old Part Numbers: 30500130CHOil Site Gauge. Includes Gasket.

Old Part Numbers: 36500300CHCrankcase Breather with O-ring.

Old Part Numbers: 3168Air compressor pressure switch/manifold pipe plug, 1/4"-18 male NPT. A very common hex plug used on countless air compressors, this 1/4" NPT countersunk hex plug installs into any fitting or manifold that has an extra 1/4" female...

Crankcase Ball Bearing, front end-cap.

Old Part Numbers: 305014ACHFinned aftercooler for the K17 and K18 model pumps. Order o-ring to go with aftercooler.

Qty: 1 valve. Order multiple to complete a set.