Flojet VersiJet Q451F-118S-2P 12V Demand Pump – 17 L/min | 4 Bar | Replaces 4300-143, 4100-113 and 4100-143

The Flojet VersiJet Q451F-118S-2P is a heavy-duty 12V four-piston demand pump built for agricultural spraying, liquid transfer, chemical dispensing, and circulation applications. A direct replacement for Flojet models 4300-143, 4100-113, and 4100-143.

Key Features

• Four-piston design — delivers higher, smoother flow rates with less pulsation
• Self-priming up to 2.4m vertical lift — reliable startup without manual priming
• Runs dry without damage — protects the pump when liquid supply is interrupted
• Built-in pressure switch — automatically starts and stops the pump on demand
• Chemical-resistant polypropylene pump head — long service life with a wide range of liquids
• Heavy-duty coated motor — engineered for tough field conditions
• Long-life co-moulded diaphragm — reduced maintenance and extended pump life
• 5D quick-connect plug-in ports — fast, tool-free installation
• Efficient, quiet operation — suitable for cab-mounted or enclosed installations

Kit Contents

• Pump unit: VersiJet 12V 4.5GPM SW 60PSI BP
• Port fittings: 2 × 3/4" (19mm) straight hose barb
• Strainer: Not included

Replaces

Flojet 4300-143 • 4100-113 • 4100-143