The 42 inverted flare union is specifically designed for use in hydraulic brake power steering fuel lines transmission cooler lines and LP and natural gas applications (special order). This brass adapter ensures a reliable connection with its 0.31 inch female end featuring SAE threads on both ends.
Manufactured by Danfoss Power Solutions (Aeroquip Inc-Alternate) this component is crafted from high-quality brass offering durability and resistance to corrosion. It operates efficiently within a wide temperature range from as low as -65 degrees making it suitable for various industrial environments.
Engineered for compatibility with 0.3125 inch tube O.D. this adapter is a versatile choice for different hydraulic and fuel systems. The end sizes are 0.5 inch each ensuring a secure and precise fit.
Its application in critical systems necessitates precise manufacturing standards which are upheld by Danfoss Power Solutions. The union connects seamlessly with male threaded pipes enabling easy and efficient installation.
MPN: EAR99
Supplier Part Number: 302X5
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Specifications
Alternate Part Numbers
Alternate Part NumberC1HN73, Alternate Part Number MI-00333409, Alternate Part Number MINO-00015X05442, Alternate Part Number MINO-00925F73151
Application
Other - Hydraulic brake, power steering, fuel lines and transmission cooler lines, LP and natural gas (special order)
Got a brake line on an older truck that needs a union, this the right fitting for that kind of job?
Answer by: Customer Support on Dec 28, 2025, 5:35 PM
Brake line repair is exactly what this union is built for. It uses a 42 degree inverted flare seat on both ends with SAE threads, which is the standard connection type for most automotive and light truck hydraulic brake lines. The tube O.D. it works with is 0.3125 inch, so as long as your existing line matches that size, it should mate up clean. Both end sizes are 0.5 inch. It's brass, so it holds up well against the moisture and road grime those lines deal with over time.
Question by: Marvin G on Oct 1, 2025, 5:11 PM
Will this here fitting work alright for hooking up my fuel lines?
Answer by: Customer Support on Oct 2, 2025, 6:06 PM
This adapter is indeed intended for fuel lines, as well as hydraulic brake, power steering, transmission cooler, LP, and natural gas applications.
