7C6660 Crankshaft Seal G for Caterpillar Equipment

7C6660 is a crankshaft seal G used in Caterpillar equipment, including machines and engines in the Caterpillar product range. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is installed as a crankshaft sealing component in the engine oil system. The available application data identifies it for Caterpillar cold planers, paving compactors, engines installed in machines, engines used in generator sets, generators, and industrial engines.

This crankshaft seal is listed for Caterpillar equipment with the applications and model designations shown below. Fitment should be checked against the machine or engine identification and the part number being replaced before installation.

Fitment

• Caterpillar cold planers
• Caterpillar paving compactors
• Caterpillar engines installed in machines
• Caterpillar engines used in generator sets
• Caterpillar generators
• Caterpillar industrial engines
• Caterpillar PR-1000
• Caterpillar PR-1000C
• Caterpillar PS-500
• Caterpillar 3208 engine applications
• Caterpillar 3412 engine applications
• Caterpillar SR4 generator applications

Cross-reference numbers

7C6660 and 7C-6660 are the number formats identified for the same crankshaft seal G. The part is catalogued under these Caterpillar equipment application references; no additional supplier cross-reference number is provided in the available product data.

Specifications

The listed dimensions are 9.2 cm in length, 1.6 cm in width, and 9.2 cm in depth. The stated shaft diameter is 73 mm and the hole diameter is 92 mm. These measurements, together with the 7C6660 or 7C-6660 reference, can be used to compare the replacement part with the seal removed from the Caterpillar engine or equipment.