1B8737 Key Fits Caterpillar Models
1B8737 Key Fits Caterpillar Models
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One New Aftermarket Replacement Woodruff Key for Caterpillar (Cat) Motor Graders and Construction Equipment
This aftermarket replacement Woodruff key (Cat part number 1B8737) transfers torque load between the shaft and hub on Caterpillar construction equipment. The semi-circular profile seats firmly in the shaft keyway, providing a precise, reliable connection for rotating assemblies across a wide range of Cat motor graders and related machines.
Compatible Models
Caterpillar Motor Graders: 12G, 12H, 12H ES, 12H NA, 12K, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
Caterpillar Additional Models: 16
Verify fitment against your machine serial number and parts manual before ordering. The 1B8737 Woodruff key has also been identified in additional Caterpillar model applications beyond those listed - consult your dealer parts catalog for a complete list.
Replaces Part Number(s):
1B8737
New aftermarket replacement part - not remanufactured, not used.
