Graco 16A421 Hard Retaining Nozzle Cap

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

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