1H7666P Gasket Fits Caterpillar Models
1H7666P Gasket Fits Caterpillar Models
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One New Aftermarket Replacement Cooling System Gasket for Caterpillar (Cat) Engines and Equipment
This aftermarket replacement gasket (part number 1H7666, also listed as 1H-7666) is a cooling system gasket for a wide range of Caterpillar (Cat) engines and machines, including motor graders, excavators, and engine-powered construction equipment. It seals cooling system connections and is a direct replacement for the Caterpillar OEM part number 1H7666.
Specifications
- Dimensions: approximately 3.94 x 3.94 x 0.03 in.
- Weight: approximately 0.05 lbs.
- Application: Cooling System
Compatible Models
Caterpillar Motor Graders: 12G, 12H, 12H ES, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 163H NA
Caterpillar Excavators / Hydraulic Excavators: 330, 330B L, 350
Caterpillar Engines (Industrial, Marine, Generator Set, Locomotive): 3306, 3306B, 3306C, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C
Caterpillar Scrapers: 615C
Additional models may apply. Verify fitment against your OEM parts catalog before ordering.
Replaces Part Number(s):
1H7666, 1H7666P, 1H-7666
Aftermarket Interchange Numbers
CA1H7666, M-1H7666
New aftermarket replacement part - not remanufactured, not used.



