Overview & Compatibility of the Graco 16X418 Displacement Pump
Graco 16X418 Displacement Pump is the complete fluid section (lower) used in select Graco TexSpray Mark series sprayers. It’s engineered for high-pressure, consistent delivery of coatings and texture materials, and ships as a ready-to-install module.
Compatible Machines
- Graco TexSpray Mark IV (series-specific)
- Mark IV ProContractor — Model 16W898
Fitment tip: Always verify your sprayer’s exact model and series (e.g., plate label) before ordering.
Key Features
- Complete fluid section module for quick replacement (piston/cylinder, intake valve & packings)
- Built for professional, high-pressure airless/texture applications
- Durable wetted materials for long service life
Technical Specifications
| Part / SKU | 16X418 |
| UPC | 633955427105 |
| Type | Lower Kit / Displacement Pump (complete fluid section) |
| Maximum Working Pressure | 3,300 psi |
| Fluid Inlet | 1-5/16-12 UN (Male) |
| Fluid Outlet | 3/8 in |
| Wetted Parts | Stainless Steel, PTFE, Leather, Nylon, Zinc-Plated Carbon Steel, Tungsten Carbide, Chrome Plating, Fluoroelastomer, Acetal, Polyethylene |
| Dimensions (approx.) | Length 20.4 in, Width 6 in, Height 6 in |
| Shipping Weight (approx.) | 10.62 lb (4.82 kg) |
What’s Included
- Assembled fluid section: piston rod & cylinder
- Intake valve with ball/seat
- Fluid packings & seals (per OEM configuration)
Frequently Asked Questions
Yes 16X418 is a complete fluid section designed for compatible Mark IV units. Transfer fittings, prime/pressure relief parts, and seals as required per your sprayer’s service manual.
Check the data plate for model and series (e.g., 16W898 for Mark IV ProContractor) and match it to 16X418. If your series differs, cross-check the parts list in the OEM manual for your exact unit.
Wetted materials include Stainless Steel, PTFE, Leather, Nylon, Zinc-Plated Carbon Steel, Tungsten Carbide, Chrome Plating, Fluoroelastomer, Acetal, and Polyethylene—ideal for most paint/texture materials per Graco listings.
