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1B4218 Washer Fits Caterpillar Models
1B4218 Washer Fits Caterpillar Models
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$23.41 USD
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One New Aftermarket Replacement Flat Washer for Caterpillar (Cat) Equipment
This aftermarket replacement flat washer replaces Caterpillar (Cat) OEM part number 1B4218 (1B-4218). It is a copper flat washer used in hardware and fastener applications across a wide range of Caterpillar construction and engine equipment. The washer seats against plug fasteners and sealing surfaces to distribute load and prevent leakage.
Specifications
- Type: Flat Washer (Copper)
- Compatible bolt size: 5/16 in.
- Inner diameter: 0.39 in.
- Also known as: 3/8 in. Copper Flat Washer
Compatible Models
Caterpillar Engines: 3116, 3126, 3208, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B
Also listed for use on Caterpillar / Mitsubishi equipment. Verify fitment against your machine's service manual before ordering.
Replaces Part Number(s):
1B4218, 1B-4218
New aftermarket replacement part - not remanufactured, not used.



