7Y1901 Element Fits Caterpillar
7Y1901 Element Fits Caterpillar
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One New Aftermarket Replacement Coupling Element Fits Caterpillar (Fits CAT) Hydraulic Excavators
This coupling element (also referenced as an element coupling) is a hydraulic pump coupling service part used in Fits Caterpillar (Fits CAT) excavators. It fits within the pump coupling assembly, connecting the engine to the hydraulic pump and transmitting drive torque. Replacing this element restores proper coupling function and helps prevent drivetrain vibration and pump wear.
Specifications
- Weight: 1.4 lbs
- Dimensions: 8.66 x 1.97 x 8.66 in.
Compatible Models
Fits Caterpillar Hydraulic Excavators: 311D LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 313D2 LGP, 314D CR, 314D LCR, 314E CR, 314E LCR, 315, 315B, 315C, 315D L, 316E L, 317B LN, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D LRR, 320N, 321C, 323D L, 323D LN
Fits Caterpillar Mini Hydraulic Excavators: 308E, 308E CR, 308E SR
Compatible Fits Caterpillar Engines: C4.2, C3.3B, C4.4, C6.4, 3046, 3054C, 3066, 3116
Replaces Part Number(s):
7Y1901, 7Y-1901, CA7Y1901
New aftermarket replacement part - not remanufactured, not used.



