Graco 16X426 Displacement Pump MaxLife
- Part: Graco 16X426 Displacement Pump (MaxLife)
- Fits: GMAX II 7900 ProContractor (16W885) & IronMan (16W887)
- Highlights: ProConnect II quick-swap lower, MaxLife wear sleeve, 3300 psi max
Overview & Compatibility for the Graco 16X426 Displacement Pump (MaxLife)
Compatible Machines
This ProConnect II pump lower fits the following Graco GMAX II 7900 series sprayers:
- GMAX II 7900 ProContractor — model 16W885
- GMAX II 7900 IronMan — model 16W887
- GMAX II 7900 Standard Lo-Boy — model 16W884
What is it?
Graco 16X426 Displacement Pump (MaxLife) is a complete fluid section / pump lower designed for the GMAX II 7900 family. The MaxLife treatment delivers enhanced wear resistance for longer life in demanding use, while the ProConnect II design enables fast, on-the-job pump swaps to reduce downtime.
- Direct OEM replacement for specified 7900 models
- MaxLife wear surfaces for durability
- ProConnect II quick-change lower for rapid service
- Built to handle heavy-duty coatings and high-volume jobs (within sprayer ratings)
Quick Specs
| OEM Part Number | 16X426 |
|---|---|
| Series / Technology | MaxLife wear package; ProConnect II compatible lower |
| Application | Complete displacement pump (fluid section / lower) for GMAX II 7900 variants listed above |
| Included | Factory-assembled pump lower with intake/piston components (transfer hardware reused per manual) |
| Notable Service Note | Some repair notes and components are specific to the 16X426 family (see Graco service manual for details). |
Fit & Replacement Guidance
If your sprayer is a GMAX II 7900 ProContractor, IronMan, or Standard Lo-Boy with the model numbers above, this is the correct pump lower. For other Mark-series or APX units, use the pump lower part number called out in your model’s parts list.
- Match by model name and model number (e.g., 16W885, 16W887, 16W884).
- Use the sprayer’s serial label and manual to verify before ordering.
Frequently Asked Questions
Helpful Note
Looking for other 7900 lowers or Mark/APX pumps? Check your manual’s parts diagram and choose the exact pump lower specified for your model.
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