Injection Pump Diaphragm Kit for Massey Ferguson 4200/4300/5400 Series with Metal Center SKU: QT59333

When your injection pump's diaphragm starts to fail, you'll face hard starting, rough running, and power loss that can leave you stranded during critical work periods. This Delphi diaphragm kit with metal center restores proper fuel delivery and pressure control to get your tractor running smoothly again.

Key Benefits

• Metal center design provides superior durability compared to plastic alternatives
• Precise fit for Delphi injection pumps ensures proper fuel pressure regulation
• Quality materials resist diesel fuel and handle constant flexing without cracking
• Complete kit includes all components needed for proper diaphragm replacement

This replacement diaphragm kit maintains the precise fuel pressure your diesel engine needs for optimal performance. S&H Parts has been helping customers keep their tractors running since 1969 - call if you need guidance on your injection pump service.