Compatible Machines for the Graco 114558 Air Line Coupler
- Graco T3 Transfer Pump – air‑driven transfer pump requiring a quick‑disconnect air coupler
- Graco Fusion AP / PC / CS / MP Spray Gun Systems – coupler listed in parts diagram for gun air‑line connection
- Any Graco machine with a 1/4 NPT(f) air‑line port and labelled part 114558
Product Overview
The 114558 Air Line Coupler from Graco is a precise OEM component that enables fast, leak‑free connection and disconnection of your air‑supply hose. It offers a robust brass body and standardized ¼ NPT female thread, designed for use in compressed‑air systems for spraying, pumping and other pneumatic applications.
Key features include:
- OEM‑specified coupler for Graco equipment — ensures correct fit and performance.
- Quick‑disconnect style for efficient change‑outs and minimal downtime.
- Durable construction to handle industrial air‑supply demands and maintain tight sealing.
Why Choose This Coupler?
If you're servicing your Graco system and the existing air coupling is worn, leaking, or incompatible, upgrading to the correct coupler ensures reliable air‑supply connection, reduces downtime and avoids mismatched fittings. Using the OEM part number 114558 means you get the right specification and thread size for your machine.
Frequently Asked Questions
While the thread size (¼ NPT) is common, compatibility depends on dimensions, sealing style and locking mechanism. For guaranteed fit, use the Graco part number 114558.
Periodically inspect for air leaks, wear on the coupling surfaces, and ensure the mating plug is properly greased if required. Replace the coupler if sealing fails or parts are damaged.
Yes — if you are comfortable with standard maintenance tasks: shut off air supply, relieve pressure, remove the old coupler, apply appropriate thread sealant (if required), and torque to specification. If unsure, consult a qualified technician.
