Chapin 6-9138 12V/2.5 GPM Diaphragm Pump

6-9138: 12V/2.5 GPM Diaphragm Pump


  • $87.99
    Unit price per 
Shipping calculated at checkout.

PrintWarning: Cancer and Reproductive Harm.

Print Advertencia: Cáncer y Daños Reproductivos.

PrintAvertissement: Cancer et Dommages Reproductifs.


Limit your cost and downtime with Chapin’s replacement 12V pump series. With a universal mounting base, they’re made to fit most ATV/UTV sprayers. Because of the diaphragm pump technology, there’s no shaft or seals to replace. Compatible with some of the most popular weed control chemicals, you’ll be spraying again in no time with a quick install.
  • Self priming and self starting, can run dry without damage
  • No shaft or seals to replace with the diaphragm design
  • Chemical-resistant elastomer
  • In-line fuse protection and slide-lock hose connections
  • Replacement pump for most ATV sprayers with a universal mounting base
  • Compatible with most popular weed control chemicals
  • For use with boom systems (up to 7 nozzles)
  • Designed and engineered in the USA

Documents & Support

Chapin 6-9138 Product Manual
Chapin Warranty Information 


Technical Specs

Model number 6-9138
Pump type positive displacement diaphragm
Voltage 12
GPM 2.5
Enclosed yes
Ventilated no
Leads 6 inches
Priming capabilities 8 feet
Max pressure (PSI) 60
Inlet/Outlet ports quick attach: [2] 3/4” to 3/8” Straight, [1] 3/4” to 3/8” 90’