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PT Coupling · Hardware & Fasteners
DA4-3
In stock · ships from Knoxville
This is a replacement Buna (nitrile) rubber gasket for PT Coupling API gravity drop adapters and couplers used on petroleum tank trailers.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
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Designed for PT Coupling API couplers. Confirm that your coupler accepts a DA4-3 gasket before ordering. Also compatible with some aftermarket API drop adapters using the same gasket profile.
Part data verified against 3 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It seals the connection between the tanker's API valve and the drop hose during unloading, preventing leaks. The gasket is fuel-resistant, marked with two blue stripes, and should be replaced periodically as part of preventive maintenance to ensure a safe, leak-free transfer of diesel, gasoline, and other fuels.
Part Number: DA4-3
GASKET FOR PT FITTING
Unit: ea
Vendor: LittleJohn Inc.
Dealer: Post Onsite
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