1B4430 Nut-Jam Fits Caterpillar Models
1B4430 Nut-Jam Fits Caterpillar Models
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One New Aftermarket Replacement Jam Nut for Caterpillar (Cat) Equipment
This aftermarket replacement jam nut (Caterpillar part number 1B4430) is a standard fastener hardware component used across a wide range of Caterpillar construction and agricultural equipment. Jam nuts are thin profile nuts used to lock a primary nut in place, securing threaded assemblies against vibration and loosening. This nut is also noted as a component within Caterpillar cylinder sleeve tooling assemblies for 3114, 3116, and 3126 series engines.
Compatible Models
Caterpillar Motor Graders: 117, 118, 119, 120, 120B, 120G, 120H, 120H ES, 120H NA, 127, 128, 129, 12E, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA, 141, 143H, 14E
Caterpillar Other Equipment: 10 FT, 10B, 1150
Note: This is a high-usage fastener that fits many additional Caterpillar models not listed above. Verify fitment by part number 1B4430 if your model is not listed.
Replaces Part Number(s):
1B4430, 1B-4430
New aftermarket replacement part - not remanufactured, not used.
