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Blue Anodized Aluminum Adapter (AN 919), -04 Male JIC 37 deg Flare To -03 Male JIC 37 deg Flare, Straight

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Description & Features

Designed for high-performance hydraulic applications, the Blue Anodized Aluminum Adapter (AN 919) from Eaton Aeroquip delivers reliable connections with its robust construction. This straight adapter connects a -04 Male JIC 37-degree flare to a -03 Male JIC 37-degree flare, ensuring a secure and leak-proof fit. The blue anodized aluminum finish enhances corrosion resistance, making it suitable for demanding industrial environments.

Engineered for durability, this adapter is part of the trusted Eaton Aeroquip brand, identified by catalog number C1EA73. It offers excellent compatibility with various hydraulic fluid types, ensuring optimal performance across diverse applications. This component is an essential solution for professionals seeking precise and dependable connections in their hydraulic systems.

SKU: FBM2048

Supplier Part Number (MPN): FBM2048

Alternate Part Numbers: C1EA73, FCM2048

Specifications

Brand
Aeroquip® by Danfoss
A Dash Size
04
B Dash Size
03
Connection Size 1
1/4 in
Connection Size 2
3/16 in
Connection Type
Male JIC
Connection Type 1
Male 37 deg JIC Flare
Connection Type 2
Male 37 deg JIC Flare
Finish
Blue Anodized
Fitting Type
Adapter
Material
Aluminum
Material Construction
Aluminum
Segment Code
A
Series
FBM Series

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Product Questions & Answers (2)

Question by: Neil W on Feb 7, 2026, 9:03 AM
got a -04 male JIC on one end and need to step it down to a -03 male JIC on the other, this the right piece for that?
Answer by: Customer Support on Feb 8, 2026, 5:06 PM
That's what this adapter does. It's a straight fitting with a -04 male JIC 37-degree flare on one end and a -03 male JIC 37-degree flare on the other. Both ends use the same 37-degree flare seat, so as long as your mating fittings match those thread and flare specs, it'll connect right up without any issues.
Question by: Rick L on Aug 29, 2025, 7:11 PM
got a hose end that’s -04 JIC, but the port I’m tying into is -03 JIC. is this the right little straight adapter for that?
Answer by: Customer Support on Aug 31, 2025, 5:19 PM
For stepping between those two JIC flare sizes, this adapter is set up exactly for that job. It is a straight -04 male JIC 37 degree flare on one side and a -03 male JIC 37 degree flare on the other, so it lets you connect a -04 female JIC end to a -03 female JIC end.

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