Graco 19D951 Contractor King Endurance Pump Lower, 180CC
Graco 19D951 Fluid Section for Contractor King Air-Powered Sprayers
The Graco 19D951 Endurance Pump Lower (180cc) is an OEM replacement fluid section used on Contractor King air-powered sprayer packages that run an Endurance lower. It is rated for a maximum fluid working pressure of 7,250 psi (50 MPa / 500 bar) and is typically selected when replacing a worn fluid section or rebuilding a Contractor King setup (cart, wall-mount, or bare pump package).
| Part Number | 19D951 |
|---|---|
| Product Type | Endurance Pump Lower / Fluid Section |
| Displacement | 180cc |
| Maximum Fluid Working Pressure | 7,250 psi (50 MPa / 500 bar) |
| Common Platform | Contractor King (air-powered) using an Endurance lower |
Product Details
The Graco 19D951 Contractor King Endurance Pump Lower (180cc) is an OEM pump lower (fluid section) designed for high-pressure air-powered Contractor King sprayer configurations that use an Endurance lower. This component mounts beneath the air motor and pressurizes coating material for spraying.
In many Contractor King packages, the power unit (air motor + cart or wall-mount frame) is sold separately from the Endurance lower. If the unit is branded Contractor King and the fluid section is an Endurance pump lower, 19D951 is the correct OEM lower for the configurations listed below.
Key Specifications
| Maximum Fluid Working Pressure | 7,250 psi (50 MPa / 500 bar) |
|---|---|
| Displacement | 180cc |
| System Type | Air-powered Contractor King systems using an Endurance lower |
Compatibility
The 19D951 lower is commonly installed on the following Contractor King configurations:
| Machine / Package | Typical Configurations | Fitment Notes |
|---|---|---|
| Contractor King 45:1 | Cart packages; Wall-mount packages | Used when the system is equipped with an Endurance pump lower |
| Contractor King 60:1 | Cart packages; Wall-mount packages | Used when the system is equipped with an Endurance pump lower |
| Contractor King (air-powered) | Cart, wall mount, or bare pump package | If branded “Contractor King” and using an Endurance fluid section, 19D951 is the correct lower |
Seal & Packing Service Information
Repair kits for this Endurance lower include a packing set designed for chemical resistance and durability in applications below 140 °F (60 °C). The packing set includes:
Throat Packing Stack (Kit Contents)
- Four (4) UHMWPE packings
- Three (3) PTFE packings
Piston Packing Stack (Kit Contents)
- Three (3) UHMWPE packings
- Two (2) PTFE packings
Related Parts & Repair Kits
Graco 25D259
Full Repair Kit
- Complete rebuild kit for throat + piston sections
- Used when servicing the entire packing system
Graco 25D176
Throat Seal Kit
- Replaces the entire packing stack in the throat
- Common service for leakage at the wet cup / throat area
Graco 25D190
Piston Seal Kit
- Replaces the entire packing stack in the piston
- Used when maintaining pressure performance in the fluid section
FAQ
Fitment note: Contractor King packages can vary by cart, wall-mount, or bare pump configuration. Match the existing lower style (Endurance) and confirm the system is Contractor King-branded for correct selection.
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