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ZERO-LEAK GOLD GUARANTEE

Zero-Leak Gold® plugs and banjo fittings are the most reliable and cost-effective hydraulic fluid sealing options in existence today.

Available in SAE J514 and Metric ISO 6149 configurations, Zero-Leak Gold utilizes dual-seal technology to provide a primary metal-to-metal seal with an independent secondary O-ring back-up seal. That means no leaks—guaranteed.

ZLG vs. Other Port Sealing Methods

Zero-Leak Gold SAE (ORB) O-ring Boss NPT Tapered Expansion Style
Zero-Leak Seal Guarantee Yes – Lifetime No No No
Primary Seal Metal-to-metal O-ring forced into the port Threads Metal-to-metal serrated sleeve
Secondary Seal Elastomeric None None None
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Plug Sizes Icon White Plug Sizes Icon Gold
PLUGS
SIZES
O-RING
SPECS
MATERIALS
& FINISHES
TEST
REPORTS
CASE HISTORIES & INDUSTRIES WE SERVE
Zero-Leak Gold plugs and banjo fittings have been used in an extensive cross-section of fluid power applications across a wide range of industries.
Aerospace
Aerospace
Automotive
Automotive
Diesel Engine
Diesel Engine
Farm Equipment
Farm Equipment
Forestry
Forestry
Material Handling
Material Handling
Military
Military
Off-Highway
Off-Highway
Offshore Drilling
Offshore Drilling
Racing
Racing
Subsea
Subsea
Truck
Truck
View Complete Listing | View Application Examples
TESTED LIKE NO OTHER

To document the effectiveness—and the name—of the Zero-Leak Gold sealing method, we have commissioned a variety of tests by the Fluid Power InstituteTM at the prestigious Milwaukee School of Engineering. See the impressive results our products delivered.

View Test Reports
ABOUT EPCO

EPCO is a leading manufacturer of products for the fluid power and marine industries. Incorporated in 1969 in Marshall, Michigan, EPCO relocated to our current home in Fort Wayne, Indiana, in 1980. We are proud recipients of the United States Senate Productivity Award.

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