Graco 16A421 Hard Retaining Nozzle Cap
The Graco 16A421 Hard Retaining Nozzle Cap is designed to secure the nozzle assembly on select Graco texture and HTX sprayer applicator guns for heavy-duty texture applications.
- Genuine OEM replacement part
- Hard rubber design for stronger nozzle support
- Ideal for coarse and aggregate texture spraying
- Fits TexSpray HTX & selected Pole/Flex Head Guns
Graco 16A421 Hard Retaining Nozzle Cap
The Graco 16A421 Hard Retaining Nozzle Cap is a genuine replacement part designed for securing the nozzle assembly on select Graco texture and HTX sprayer applicator guns. This hard rubber version provides increased rigidity and support, making it suitable for heavier texture materials and demanding surface applications.
Compatible Machines
Below are known compatible sprayers and applicator guns that reference this part number:
- Graco TexSpray HTX 2030 (Pole & Flex Head Gun assemblies)
- Graco TexSpray HTX 680 Applicator setups
- Graco Pole and Flex Head Air-Assist Texture Gun models
If your sprayer uses a texture or HTX series pole/flex gun and lists a “Cap, Nozzle – Hard” in its parts diagram, this part may be the correct replacement. Always verify with your equipment manual before purchase.
Key Features
- Durable hard rubber cap for nozzle retention
- Ideal for heavier texture applications
- OEM reliability for consistent performance
- Supports nozzle assembly alignment and secure fit
Alternative Part Options
| Part Number | Cap Type | Material Feel |
|---|---|---|
| 16A421 | Retaining Nozzle Cap | Hard |
| 16A405 | Retaining Nozzle Cap | Medium |
| 16A420 | Retaining Nozzle Cap | Soft |
Usage Guidance
This hard nozzle cap is generally recommended for:
- Coarse or aggregate texture finishes
- High-demand continuous spraying
- Situations requiring maximum nozzle rigidity
Frequently Asked Questions
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