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1984780 Washer-Har Fits Caterpillar Models
1984780 Washer-Har Fits Caterpillar Models
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One New Aftermarket Replacement Hardened Flat Washer for Caterpillar (Cat) Equipment
This hardened flat washer (Caterpillar part name: Washer-Har) is a zinc flake-coated, hardened steel fastener component used across a wide range of Caterpillar construction and heavy equipment. The zinc flake (lamellar zinc) coating provides excellent corrosion resistance, and the hardened steel construction ensures reliable clamping force under high-stress fastening applications.
Specifications
- Washer Type: Flat Washer
- Material: Hardened Steel (Min. Yield Strength 1000 MPa)
- Coating: Zinc Flake (Lamellar Zinc, salt spray 720 h)
- Compatible Bolt Size: 5/8 in.
- Inner Diameter: 0.689 in.
- Outer Diameter: 1.26 in.
- Thickness: 0.315 in.
- Weight: 0.1 lbs.
Compatible Models
Caterpillar (Cat): Fits a wide range of Caterpillar construction and heavy equipment. Confirm fitment using your machine's serial number and model designation before ordering.
Replaces Part Number(s):
1984780, 198-4780
New aftermarket replacement part - not remanufactured, not used.



