Graco 16X420 Endurance Pump
Below are the key highlights and essential information professionals should know before purchasing or replacing this Graco pump model:
- Genuine OEM Replacement: Manufactured by Graco to deliver factory-grade reliability, smooth operation, and long-term performance in demanding spraying environments.
- Durable Build: Features a hardened cylinder and Chromex®-treated piston rod for superior wear resistance, ensuring reduced downtime and extended lifespan.
- Wide Compatibility: Fits Ultra Max II 1095/1595, GMax II 5900, and Ultimate MX II 1095/1595 models across ProContractor and IronMan series.
- Professional-Grade Performance: Maintains consistent paint flow, pressure stability, and finish quality even during high-volume, daily use.
- Service-Friendly Design: Equipped with replaceable packings and valves for quick maintenance and long-term savings.
Ideal for contractors seeking dependable pump performance that keeps projects running on schedule and finishes flawless.
Overview & Compatibility for the Graco 16X420 Endurance Pump
Compatible Machines
This 16X420 Endurance Pump (fluid section / displacement pump) fits the following professional Graco airless sprayers (model families):
- Ultra Max II 1095 – ProContractor
- Ultra Max II 1095 – IronMan
- Ultra Max II 1595 – ProContractor
- Ultra Max II 1595 – IronMan
- Ultimate MX II 1095 – ProContractor
- Ultimate MX II 1095 – IronMan
- Ultimate MX II 1595 – ProContractor
- Ultimate MX II 1595 – IronMan
- GMAX II 5900 – ProContractor
- GMAX II 5900 – IronMan
- Hi-Boy / Lo-Boy configurations where specified by Graco
Tip: Always match the exact sprayer series/version (e.g., IronMan vs. ProContractor) and refer to your unit’s parts manual before ordering.
What Is the Graco 16X420 Endurance Pump?
The Graco 16X420 Endurance Pump is a heavy-duty fluid section designed for high-output airless paint sprayers. It’s engineered for durability and consistent priming, helping maintain pressure and flow with reduced downtime. If your sprayer is losing pressure, surging, or showing excessive wear in the lower, replacing the fluid section with the 16X420 restores performance to factory standards.
Key Benefits
- Built for long life in demanding, daily-use spraying.
- Factory-matched fit for the Ultra/Ultimate MX II 1095/1595 and GMAX II 5900 families (select versions).
- Smoother priming and pressure stability for consistent finish quality.
- OEM component for straightforward install and proven performance.
Technical Details
| Part Number | 16X420 (Endurance Pump / Fluid Section) |
|---|---|
| Component Type | Displacement pump (lower) for Graco airless sprayers |
| Compatible Families | Ultra Max II 1095/1595, Ultimate MX II 1095/1595, GMAX II 5900 (IronMan & ProContractor where specified) |
| Installation | Direct replacement; follow sprayer service manual for torque and sealing procedures |
| Notes | Verify your sprayer’s exact model/series and serial range for correct fit before purchase |
Maintenance Tips
- Flush with recommended solvent after each use to extend pump life.
- Inspect packings and check balls during routine service intervals.
- Replace worn or leaking lowers promptly to protect the drive system.
Frequently Asked Questions
If you’re unsure, share your sprayer’s exact model and serial details—we’ll double-check 16X420 compatibility for you.
No reviews yet. Be the first to review this product!
