Seal Kit 3701866 for Caterpillar Hydraulic Cylinder

Seal kit 3701866 is intended for the stick hydraulic cylinder assembly used on Caterpillar equipment. The kit is designated for the CYLINDER GP-STICK application and contains sealing, support, wiper, buffer, and O-ring components. This is a new aftermarket seal kit manufactured by CTP (Costex Tractor Parts).

The product is supplied as a hydraulic cylinder seals kit with individual components identified by their respective part numbers and quantities. The kit includes 11 listed component types and 13 individual pieces in total. No cylinder assembly or additional components are specified as included beyond the items listed below.

Fitment

• Caterpillar 365C L
• Caterpillar 385C
• Caterpillar 385C L
• Caterpillar 390F L

Application: CYLINDER GP-STICK. The listed models identify Caterpillar machine applications for which seal kit 3701866 is specified. Compatibility should be checked against the machine serial number and the cylinder configuration before installation where serial-number-based parts selection is required.

Cross-reference numbers

Part number 3701866 is the identified Caterpillar equipment part number associated with this seal kit and is also the product SKU. The available product data does not specify additional supplier numbers or separate replacement numbers.

Specifications

Kit contents

The contents are supplied according to the listed quantities. The available specifications do not include seal dimensions, material composition, operating temperature range, pressure rating, or installation tooling.