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Air Brake Tubing

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Description & Features

Built from extruded Nylon 12 with a UV-stabilized black cover, this Eaton Aeroquip Air Brake Tubing is engineered for demanding commercial vehicle brake line applications. The -5 dash size (5/16") tubing carries a minimum bend radius of 1.125 inches and is rated for service down to -40°F, making it well-suited for cold-weather environments.

Yarn reinforcement supports structural integrity throughout the tubing's working range, while the Nylon 12 tube material offers reliable compatibility with air brake system media. Qualified for use with QCAB and push-to-connect fittings, this tubing meets DOT FMVSS 106 compliance requirements and holds certifications under SAE J844, SAE J1131, SAE J2494-2, and SAE J2494-3, the primary standards governing air brake tubing in North American commercial vehicle applications.

SKU: 4245-05204

Supplier Part Number (MPN): 4245-05204

Specifications

Abrasion Resistance
28
Alternate Part Numbers
Alternate Part Number MINO-00803X01515
Certifications
SAE J2494-2|SAE J844|SAE J1131|SAE J2494-3
Color
Black
Compliances
DOT FMVSS 106
Construction
Extruded
Cover Material
UV Stabilized
Dash Size
-5
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
12.00
UOM
FT
ICC
Hoses and Flexible Tubes
Language
English
Minimum Bend Radius
1.13
Minimum Bend Radius
1.125
Minimum Working Temperature
-40
Net Pack Quantity Units
FT
NMFC
70
Product Width
0.32
Qualified Hose Fittings
QCAB, Push to Connect
Reinforcement Material
Yarn
Supplier Part Number
4245-05204
Tube Material
Nylon 12
Product Weight
0.05 lbs

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Product Questions & Answers (2)

Question by: Larry J on Apr 8, 2025, 9:11 AM
got a tight spot to route this line, how sharp can i bend it without kinking it
Answer by: Customer Support on Apr 10, 2025, 7:15 AM
For tight routing, keep the bend radius at 1.125 inches minimum. Staying at or above that radius helps the Nylon 12 tubing hold its shape and avoid stressing the extruded construction.
Question by: Sherry E on Dec 26, 2025, 8:04 PM
does this tubing hold up in freezing temps or does it get brittle on me in the winter?
Answer by: Customer Support on Dec 28, 2025, 7:43 PM
Rated down to negative 40 degrees, so cold weather alone shouldn't cause any cracking or stiffening issues during normal operation. The Nylon 12 construction handles low temperatures pretty well compared to standard rubber air brake lines, and the UV-stabilized cover helps it hold up outdoors season after season without breaking down from sun exposure.