1W1662-040 Bearing,Eng. 0.040In=1. Fits Caterpillar Models
1W1662-040 Bearing,Eng. 0.040In=1. Fits Caterpillar Models
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One New Aftermarket Replacement Main Engine Bearing for Caterpillar (Cat) Equipment
This is an oversize main engine bearing for the Caterpillar 3204 diesel engine, sized at 0.040 in. (1.00 mm) oversize for use on reground crankshafts. Main bearings support the crankshaft within the engine block and are a critical component in any engine rebuild or crankshaft regrind. Three bearings are required per engine. The base OEM part number is 1W1662; the -040 suffix denotes the 0.040 in. oversize.
Specifications
- Oversize: 0.040 in. = 1.00 mm
- Type: Main Engine Bearing (Crankshaft)
- Engine: Caterpillar 3204 diesel
- Quantity required: 3 per engine
Compatible Models
Caterpillar (Cat) - 3204 Engine Applications: 215B, 931, 931B, 943, 953, IT18, IT18B, IT28, IT28B
Note: This bearing is for use with crankshafts reground to the 0.040 in. undersize. Verify crankshaft regrind specification before ordering. Other oversize variants in the 1W1662 family (e.g., -020, -030) are available for different regrind dimensions.
Replaces Part Number(s):
1W1662-040
New aftermarket replacement part - not remanufactured, not used.



