Part 2430171A is a fluid section assembly designed to pump coating material from the container to the spray tip at high pressure. The HR (High Ratio) configuration provides increased pressure output for demanding applications and thicker materials. This boxed assembly includes the complete fluid section with cylinder, piston packings, and inlet/outlet valves. When the original fluid section wears or fails, replacing this assembly restores pumping efficiency and pressure performance on compatible units.
| Part Number | 2430171A |
|---|---|
| Part Description | Fluid Section IMPACT X 410 HR BOXED |
| Brand | Graco |
| Fits | Impact X 410 |
| Condition | New |
The Graco 2430171A Fluid Section IMPACT X 410 HR BOXED is the pumping heart of the Impact X 410 sprayer, responsible for drawing coating material from the container and pressurizing it for delivery to the spray tip. The HR designation indicates a high-ratio fluid section, which provides increased pressure output compared to standard configurations. This higher pressure capability is essential for spraying thicker materials, such as heavy-bodied latex paints, block fillers, elastomerics, and high-build coatings that require greater force to atomize properly. Within the Impact X 410 platform, the fluid section works in conjunction with the drive housing and motor to convert rotational motion into reciprocating linear motion of the piston. As the piston moves through the cylinder, packings seal against its surface to create suction on the intake stroke and pressure on the output stroke. The inlet valve opens to draw material from the hose or container, while the outlet valve opens to direct pressurized material toward the spray gun. Over time, the piston and cylinder surfaces wear, packings lose their sealing ability, and valve components become eroded by abrasive pigments or damaged by debris. These conditions lead to reduced output, pressure loss, or complete failure to prime. The 2430171A assembly comes boxed as a complete, ready-to-install unit including the cylinder, piston, packings, inlet valve, outlet valve, and all necessary seals. Replacing the entire fluid section is faster than rebuilding individual components in the field and ensures that all wear surfaces are restored to factory specifications. Operators will notice improved flow consistency, higher achievable pressures, and reliable priming after installation.
| Material pumping | Draws coating from container and pressurizes for delivery to tip |
|---|---|
| Pressure multiplication | HR configuration provides higher pressure for thicker materials |
| Flow control | Inlet and outlet valves direct material flow through the pumping cycle |
| Priming failure | Sprayer runs but will not draw material from the container |
|---|---|
| Pressure loss | Unable to reach or maintain operating pressure under load |
| Reduced output | Lower material flow at the tip even at maximum pressure setting |
| Packing leakage | Material leaking from the fluid section during operation |
Part 2430171A is compatible with the following Graco sprayer. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Model | Component |
|---|---|
| Impact X 410 | Fluid section IMPACT X 410 HR |
Pumping performance issues often involve multiple components. When servicing the fluid section, these parts are commonly inspected at the same time.
Restriction at the supply side can mimic fluid section failure; inspect for clogs or collapsed hose before replacing the fluid section.
The component that drives the piston; inspect for wear or damage when the fluid section is removed.
Restriction downstream can create back-pressure that affects pump performance; inspect after fluid section replacement.
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