Graco 166988 Guide Spring
The Graco 166988 Guide Spring is a genuine OEM component used inside Graco back-pressure and fluid regulator assemblies to maintain proper spring alignment.
- Ensures smooth pressure control
- Fits regulator models 3A7681B, 25R490, 25T477, 25T478
- Durable and precise OEM construction
Graco 166988 Guide Spring – Genuine Replacement Component
Compatible Machines
This Graco 166988 Guide Spring is used inside Graco Back-Pressure / Fluid Regulator Assemblies. It fits equipment that uses the following regulator models:
- Graco Medium-Pressure Back-Pressure Regulator (Model Series 3A7681B)
- Graco Regulator Assembly 25R490
- Graco Regulator Assembly 25T477
- Graco Regulator Assembly 25T478
If your sprayer or system uses one of the regulator assemblies listed above, then the 166988 Guide Spring is the correct replacement.
Product Overview
The Graco 166988 Guide Spring is a precision-machined internal component designed to stabilize and guide the spring assembly inside Graco back-pressure or fluid regulators. Its purpose is to maintain proper alignment and ensure smooth and consistent pressure control during spraying operations.
Key Features
- Ensures stable spring alignment inside regulator assemblies
- Supports consistent system pressure during spraying
- Durable and made for long-term performance
- Genuine OEM part for accurate fit and reliability
Frequently Asked Questions
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