About the Graco 15D360 3/8 in × 18.25 in Coupled Hose
The Graco 15D360 is a genuine OEM coupled hose designed for heavy-duty performance in professional airless sprayers. With a 3/8 inch inner diameter and an 18.25-inch length, this hose delivers reliable fluid transfer, stable pressure return, and excellent durability for demanding spraying applications.
Compatible Machines
The following Graco sprayers are confirmed to use or support the 15D360 coupled hose:
- Graco Ultra Max II 1095
- Graco Ultra Max II 1595
- Graco Mark IV Series
Key Specifications
| Product Specifications |
| Part Number | 15D360 |
| Inner Diameter | 3/8 inch |
| Length | 18.25 inches |
| Hose Type | Coupled Pressure / Return Hose |
| Compatibility | OEM Graco Replacement Part |
Why This Hose Is Used
- Provides a secure, leak-resistant return or pressure line in airless sprayers.
- Designed to withstand high operating pressures in professional spraying environments.
- Compact length supports installations around manifolds, pumps, and frame-mounted assemblies.
- Durable construction reduces wear, cracking, and premature hose failure.
Installation Tips
- Turn off the sprayer and release pressure before changing the hose.
- Ensure fittings and couplings are clean before installation.
- Avoid sharp bends to maintain proper flow and extend hose life.
- Check connections for leaks after first use.
Maintenance Guidelines
- Inspect the hose surface regularly for abrasions or kinks.
- Flush the sprayer and hose after each use to prevent material buildup.
- Store without tight coils to avoid internal damage.
- Replace immediately if swelling, cracking, or soft spots appear.
Frequently Asked Questions
The 15D360 hose is built for high-pressure return applications commonly used in Graco airless sprayers. Always follow the maximum operating pressure listed in your sprayer’s manual.
No. This hose is designed for pressure and return flow only. Suction lines require different construction and flexibility.
Yes. The 15D360 hose is a genuine OEM replacement part manufactured to meet Graco’s quality standards.
The 15D360 is 18.25 inches long. Graco offers additional hose lengths and diameters, but part numbers vary. Always confirm your sprayer’s compatibility before ordering.
