4037

Name: Festo 4037 Quick connector CX-3/8-PX-9
Brand: Festo

Quick connector CX-3/8-PX-9

This Festo industrial component, part number 4037, features a nominal size of 8 mm and an aluminum housing with a corrosion resistance classification CRC of 2. It is equipped with a sealing ring on the screw-in stud, a G3/8 pneumatic connection, and a PK-9 pneumatic connection with a union nut, supporting assembly in any position. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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Manufacturer: Festo
Part number: 4037
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 4037.

Worldwide sourcingSupport for planned and urgent industrial requirements.

Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Nominal size: 8 mm
Type of seal on screw-in stud: Sealing ring
Assembly position: Any
Corrosion resistance classification CRC: 2
Pneumatic connection: G3/8 | PK-9 with union nut
Materials information, housing: Aluminum

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 4037. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.