1 4

OEM Cummins Parts

GPM is your one stop shop for all OEM Cummins, Onan, and Fleetguard Products.

View all

  • Mark S

    Was able to get my D65-20 back up and going with a Repair Kit. Thanks!

  • Adam R

    Only use GPM when it comes to General Pump replacements. Good to work with

  • R.J Thomas

    We never had a problem ordering from this guys, always a pleasure to work with!

  • Tina L

    Was able to get my order in a few days. Will be purchasing from again.

1 4

OEM Mack Parts

Check out current Mack Truck Parts offered!

Shop now

Fleetguard Filters

We Carry a wide variety of Fleetguard Fitlers in stock that will help keep your fleet up and running.

Shop now

AutoMann Parts

We offer Automann's Full Line of Aftermarket parts!

Shop now

Giant Pumps

Shop our Giant pumps and Pump Parts

Shop now

  • About Us

    Since 2000 GPM as served as the Experts in Sewer Trucks and Sewer Truck Equipment. Full Line Autocar and Cummins Dealer. Full line of aftermarket and oem parts lines in stock and ready to be shipped out.