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Automann · Hardware & Fasteners
177.84212
In stock · ships from Knoxville
This is a brass SAE 45-degree flare union coupling designed to join two pieces of 3/4-inch outside diameter tubing.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Generic SAE union coupling; not specific to any make or model. Fits any system using standard 3/4 inch SAE 45-degree flare fittings.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 22.
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It creates a leak-free connection in hydraulic brake, fuel, and air systems on heavy-duty trucks and trailers. The fitting is reusable and allows line sections to be connected without welding or permanent joints. Replace it when a union is leaking, deformed, or threads are damaged.
Part Number: 177.84212
UNION COUPLING 3/4IN
Unit: ea
Dealer: KP Services Crossville
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