Graco 17P185 Triax Replacement Pump
The Graco 17P185 Triax Replacement Pump is a durable, field-replaceable triple-piston pump for Graco’s corded handheld sprayers. Built with stainless steel and carbide internals for reliable performance.
- Fits Ultra Handheld Corded (17M359)
- Fits Ultimate Handheld Corded (17N162)
- Fits TC Pro Handheld Corded (14N163)
Overview & Key Benefits
Compatible Machines
The Graco 17P185 Triax Replacement Pump is designed specifically for Graco’s corded handheld sprayers. It fits the following models:
- Ultra Handheld Corded – Model 17M359
- Ultimate Handheld Corded (Sherwin-Williams) – Model 17N162
- TC Pro Handheld Corded – Model 14N163
Note: This pump does not fit cordless variants. Always confirm your sprayer’s exact model number before ordering.
What is the Graco 17P185 Triax Replacement Pump?
The 17P185 Triax Replacement Pump is Graco’s Triax triple-piston modular pump cartridge for corded handheld airless sprayers. Built with a reinforced polymer frame around stainless steel and carbide wear components, it delivers pro-level durability in a lightweight package. It’s a drop-in module for fast, on-the-job replacement via Graco’s ProConnect-style design—so you can get back to spraying quickly without a full teardown.
Quick Specs
| Part Number | 17P185 |
|---|---|
| Pump Type | Triax triple-piston replacement cartridge |
| Intended Use | Corded handheld Graco Ultra / Ultimate / TC Pro models |
| Construction | Reinforced polymer housing with stainless steel & carbide internals |
| Serviceability | Field-replaceable, drop-in module (minimal tools) |
Why choose the 17P185?
- Fast swap-out: Keep downtime low with a modular, drop-in design.
- Pro durability: Wear parts use stainless steel and carbide for long service life.
- Smooth performance: Triax triple-piston geometry supports consistent spray quality.
- Lightweight: Balanced build keeps the handheld comfortable for extended use.
- Low maintenance: Simplified pathing helps reduce clogs and speeds cleanup.
When should I replace the pump?
- Noticeable pressure loss or pulsing at the gun
- Difficulty priming or maintaining prime
- Excessive wear, leakage, or diminished spray pattern even with a known-good tip
