Amana-Goodman 803131000 Brass Cap

The Amana-Goodman 803131000 Brass Cap is a critical OEM HVAC replacement part engineered specifically for sealing 3/4" suction line service ports. Designed for a precise fit on Goodman, Amana, and Janitrol condensing units, this 3/4 inch suction brass cap ensures a leak-proof seal, preventing refrigerant loss and protecting the system from atmospheric contaminants. As a veteran-grade HVAC suction port cap, it is constructed from high-tensile brass to withstand the thermal cycling and pressure differentials common in high-efficiency residential and commercial split systems.

When performing routine maintenance or a full system evacuation, using a genuine Goodman 803131000 brass cap is essential for maintaining the integrity of the refrigerant suction line. This component meets strict factory tolerances, offering superior corrosion resistance compared to generic alternatives. Technical professionals rely on this brass suction cap to provide a reliable mechanical seal, ensuring the suction service valve remains free of debris and moisture during long-term operation.

Key Benefits for Technicians

• Direct OEM Fit: Specifically engineered for Amana-Goodman HVAC equipment, eliminating the risk of thread stripping or improper seating.
• High-Grade Brass Construction: Provides excellent durability and resistance to oxidation in harsh outdoor environments.
• 3/4" Suction Port Compatibility: Standardized sizing for the high-side suction lines of various split-system air conditioners and heat pumps.
• Leak Prevention: Vital for maintaining system charge and preventing HVAC refrigerant leaks at the service port.
• System Integrity: Acts as a secondary seal to protect the Schrader valve core from dust, dirt, and moisture ingress.

Common Questions

Is the 803131000 cap compatible with other HVAC brands?
While designed as a Goodman replacement part, it fits standard 3/4" suction service ports commonly found in many residential split systems. Always verify thread pitch and specifications before installation.

Does this brass cap include an internal gasket?
This HVAC brass cap relies on a precision-machined metal-to-metal seal or a specific internal flare surface to ensure airtight performance on the 3/4" suction line.

Why use an OEM brass cap instead of a plastic shipping cap?
Plastic caps are intended only for shipping. For operational use, a brass suction port cap is required to handle operating pressures and provide a reliable secondary seal against leaks.

California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.