Caterpillar
Fuel separator for Caterpillar 950G
This fuel separator removes water and solid particles from the diesel supply to protect the engine. It is designed for use in the Caterpillar 950G wheel loader.
Compatible models
Specifications
- Part number
- P551312
- Brand
- Caterpillar
The fuel separator P551312 functions within the diesel fuel system to isolate water and filter out solid contaminants before the fuel reaches the injection pump and injectors. By removing these impurities, the unit prevents damage to sensitive fuel system components and supports consistent engine operation.
This component is compatible with the Caterpillar 950G wheel loader. It integrates into the fuel line to capture particulates and facilitate the separation of water, which collects in the housing for periodic draining. The unit is designed to maintain a steady flow of cleaned fuel to the engine under standard operating conditions.
Fuel separators utilize a combination of filtration and coalescence to manage fuel quality. The internal media traps debris, while the internal geometry encourages water droplets to coalesce and settle into a collection bowl. Regular replacement of the separator element is necessary to prevent flow restriction and ensure that the engine remains protected from sediment and moisture that can cause internal corrosion or wear.

