FEED PUMP FOR CASE B503521

Diaphragm-Type Diesel Fuel Pump for IH Tractor, Part Number B503521

The diesel fuel pump, also known asa dieselfuelbooster pump, is an essential component for the proper operation of a tractor’s fuel system. Part numberB503521is equivalent to part numbers3132697R91and3132697R92. This diaphragm pump has2 mountingholes, a center-to-center distance of53 mm, and a lever length of61 mm.

Role of the Diesel Fuel Supply Pump

The diesel fuel pump transfers fuel from the tank to the injection pump. It maintains the pressure necessary for the fuel to be properly atomized in the injectors, thereby ensuring optimal engine combustion.

Causes of Malfunction

The main causes of fuel pump failure include:

• A torn or punctured diaphragm, resulting in a loss of pressure.
• Clogged filters, restricting fuel flow.
• A worn or broken actuator lever, affecting the pump’s mechanical operation.
• Connection issues, such as leaks at seals or loose connections.

Compatible IH Case r Tractor Models

The B503521 diesel fuel pump is compatible with many IH Case tractor models, including:

• 33 Series: 633, 733, 833
• 40 Series: 740, 840
• 44 Series: 644, 744, 844
• 45 Series: 645, 745, 845
• Series 46: 1046, 1246, 946
• Series 55: 1055, 1255, 1455, 955
• Series 56: 1056, 856, 956
• Classic Series: 454, 474, 554, 574, 624, 654, 674, 724, 743

Installation and Maintenance

The pump must be installed in accordance with the manufacturer’s specifications to ensure a perfect seal and proper operation. Regular maintenance, including checking connections and replacing fuel filters, will extend the pump’s service life and prevent unexpected breakdowns.

Conclusion

The B503521 diaphragm-type diesel fuel pump is a crucial component for the proper operation of Case IH tractors. By ensuring a constant flow of fuel to the engine, it guarantees optimal performance and efficient combustion. AtCamagris, we offer a wide range of fuel pumps for all tractor brands, along with advice and services tailored to your agricultural needs.