This pump lower eliminates downtime on the job. When you pump stops working simply unscrew the pump lower and swap out for this part. Inside is a pump repair kit, piston and cylinder. Then you can repair your other part one your own time. This has the 5 piece V-Max packings and a stainless steel rod. The Express Pump will last around 800 gallons while the standard version of the pump lower (17C487) will last 1200 gallons. This works with the newer PC units.

This part replaces the pump in the machines below:

390 PC Stand
390 PC Hi Boy
395 PC Stand
395 PC LoBoy
395 PC HiBoy
490 PC Pro Stand
490 PC Pro LoBoy
490 PC Pro HiBoy
495 PC Pro Stand
495 PC Pro LoBoy
495 PC Pro HiBoy
595 PC Pro LoBoy
595 PC Pro HiBoy