5I7656 Crankshaft Seal Front for Caterpillar

5I7656 is a front crankshaft seal for Caterpillar equipment, including Caterpillar engines, machines, and excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a front crankshaft seal and is intended for installation at the front crankshaft sealing position on the listed Caterpillar equipment and engines. The available application data includes both engine model designations and machine series used with Caterpillar excavator equipment.

Fitment

• Caterpillar 3064 engine
• Caterpillar 3066 engine
• Caterpillar C4.2 engine
• Caterpillar C6 engine
• Caterpillar C6.4 engine
• Caterpillar 311C excavator
• Caterpillar 311D LRR excavator
• Caterpillar 312C excavator
• Caterpillar 312C L excavator
• Caterpillar 312D excavator

The listed fitment covers the specified Caterpillar engine and machine applications. Compatibility should be checked against the equipment model and the installed part number before assembly, particularly where the same engine family is used across more than one machine series.

For the machine applications listed above, the seal is identified as the front crankshaft sealing component. The available product data does not specify a separate left-hand, right-hand, upper, or lower position because this part is designated by its crankshaft location at the front of the engine.

Cross-reference numbers

5I7656 and 5I-7656 are the number formats provided for this front crankshaft seal. No additional supplier or equipment-manufacturer reference numbers are specified in the available product data.

Specifications

The listed dimensions are length 15.24 cm, width 12.7 cm, and depth 2.54 cm. Material, sealing-lip design, shaft diameter, housing diameter, installation tooling, and additional kit contents are not specified in the available product data.