Seal Kit 2797940 for Caterpillar Hydraulic Cylinder

Seal kit 2797940 is a hydraulic cylinder seals kit for Caterpillar mini excavators. It is used in the CYLINDER GP-STICK application, which identifies the stick cylinder group on the applicable machine models.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is intended for the hydraulic stick cylinder assembly on the Caterpillar equipment listed below. The model designations are reproduced as provided, including the separate 303E CR and 303ECR listings.

Fitment

• Caterpillar 303.5E2 CR
• Caterpillar 303.5E
• Caterpillar 303C CR
• Caterpillar 303E CR
• Caterpillar 303ECR
• Caterpillar 303.5D

The listed application is CYLINDER GP-STICK. The supplied fitment information identifies the kit for Caterpillar 303.5D, 303.5E, 303C CR and 303E CR equipment, with the additional compatible model designation 303.5E2 CR and the separate 303ECR designation included in the model list.

Cross-reference numbers

The number 279-7940 is the part-number format associated with this seal kit. The product SKU is shown without the hyphen as 2797940. No additional supplier or equipment-manufacturer cross-reference numbers are provided in the available part data.

Specifications

Before installation, confirm the machine model and the existing cylinder identification against the part number 279-7940. The available information defines the application as the stick cylinder group and does not provide seal dimensions, seal profiles, material specifications, or a detailed list of the components included in the kit.