Ring 1S0668 for Caterpillar

1S0668 is a transmission seal ring used as a back-up ring in sealing assemblies on Caterpillar equipment. It is installed to help limit seal extrusion in high-pressure applications and to accommodate pressure fluctuations in the sealing system. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the Caterpillar equipment part-number format 1S-0668 and is listed for Caterpillar earthmoving compactors and Caterpillar engine-machine applications. The available fitment information includes the equipment models and engine models specified below.

Fitment

• Equipment manufacturer: Caterpillar
• Equipment type: Caterpillar earthmoving compactor
• Equipment type: Caterpillar engine-machine
• Caterpillar 836
• Caterpillar 3044C
• Caterpillar 3406
• Caterpillar 3406B
• Caterpillar 3406C
• Caterpillar 3408
• Caterpillar 3408C
• Caterpillar 3408E
• Caterpillar 3412
• Caterpillar 3412E

Compatibility should be checked against the machine or engine serial number and the seal assembly in which the ring is installed, because the same equipment model may have different component configurations.

Cross-reference numbers

• 1S0668
• 1S-0668

1S0668 and 1S-0668 are the number formats provided for this ring. No additional supplier or equipment-manufacturer cross-reference numbers are specified in the available product data.

Specifications

The ring is a separate sealing component. The available product data does not specify a seal kit, additional seals, fasteners, or other installation components included with the part.