When your diaphragm pump starts losing pressure or making odd noises during spraying season, there’s a good chance the connecting rod inside needs replacing. This critical internal component transfers the motion from the drive shaft to the diaphragm assembly, and when it’s worn or damaged, your pump can’t maintain the steady pressure you need for consistent spray coverage.
Key Features
- Direct replacement part that fits AR Pumps D30 series diaphragm pumps perfectly
- Heavy-duty construction designed to handle the constant reciprocating motion and pressure cycles
- Precisely machined surfaces ensure smooth operation and proper diaphragm movement
- Built to AR Pumps’ original specifications for reliable performance
Built for Real Farm Work
This connecting rod is designed for AR D30 diaphragm pumps commonly found on sprayers, nurse tanks, and chemical application equipment. These medium-pressure pumps are workhorses in agricultural operations, handling everything from liquid fertilizer to herbicides and pesticides. Whether you’re running a pull-behind sprayer or a self-propelled rig, this internal component keeps your pump delivering consistent flow rates and pressure.
Made to Last
Connecting rods take a beating inside diaphragm pumps, constantly moving back and forth under pressure and chemical exposure. This replacement rod is manufactured from durable materials that resist wear and corrosion, ensuring it can handle thousands of operating hours in demanding agricultural conditions.
Installation Notes
Replacing a connecting rod requires disassembling the pump head, so it’s a good time to inspect other wear items like diaphragms, valves, and seals. Make sure to follow proper torque specifications when reassembling, and consider having a repair kit on hand since you’ll already have everything apart. If you’re not comfortable with pump rebuilds, this is definitely a job for your local pump shop.
