1P4579 Flange-Half Fits Caterpillar Models
1P4579 Flange-Half Fits Caterpillar Models
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One New Aftermarket Replacement Flange-Half for Caterpillar (Cat) Equipment
This aftermarket replacement hydraulic split flange half (Code 61) is a high-pressure hydraulic line component used throughout Caterpillar (Cat) construction, mining, and earthmoving equipment. Split flanges are used to secure hydraulic hose assemblies and lines at connection points in the hydraulic system, and are typically installed in pairs. This part replaces Caterpillar OEM part number 1P4579 (also referenced as 1P-4579).
Specifications
- Type: Split Flange Half - Code 61 (SAE J518 Standard)
- Counter Bore Diameter: 61.11 mm
- Pressure Rating: Code 61 - rated for high-pressure hydraulic applications (3,000-5,000 PSI)
Compatible Models
Caterpillar Motor Graders: 140, 14M, 16, 16M, 12G (and related series)
Caterpillar Excavators: 215, 215B, 215C, 215D, 219D, 225, 225D, 227, 229, 229D, 231D, 235, 235B, 235C, 235D, 236, 2384C
Caterpillar Scrapers and Wheel Tractors: 153, 173B, 183B
Caterpillar Dozers and Track-Type Tractors: 1693 (and related series)
Additional Caterpillar Equipment: 1090, 10S, 115, 1190, 1190T, 1290T, 1390, 141, 2290, 2390, and many others across multiple Cat product families
Note: This part fits a wide range of Cat equipment. Confirm your model and serial number before ordering to ensure correct fitment.
Replaces Part Number(s):
1P4579, 1P-4579
New aftermarket replacement part - not remanufactured, not used.



