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1H7666 Gasket Fits Caterpillar Models

1H7666 Gasket Fits Caterpillar Models

Regular price $23.44 USD
Regular price Sale price $23.44 USD
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One New Aftermarket Replacement Cooling System Gasket for Caterpillar (Cat) 3306 / 3500 Series Engines and Equipment

This aftermarket replacement cooling system gasket replaces Caterpillar (Cat) OEM part number 1H7666. It is used in the cooling system of Caterpillar 3306, 3500-series, and related diesel engines found in motor graders, excavators, wheel tractor-scrapers, and marine/industrial power applications. The gasket provides a reliable seal in the engine block cooling circuit.

Specifications

  • Dimensions: approximately 3.94 x 3.94 x 0.03 in.
  • Weight: 0.05 lbs.

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 / Track Excavators: 330, 330B L, 350

Caterpillar Engines: 3306, 3306B, 3306C, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C

Caterpillar Wheel Tractor-Scrapers: 615C

Note: This gasket covers Caterpillar 3306 and 3500-series general-use applications across construction, marine, and industrial equipment platforms.

Replaces Part Number(s):

1H7666, 1H-7666, CA1H7666, 331320, CAP331320, M-1H7666

New aftermarket replacement part - not remanufactured, not used.

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