1221161 Seal Kit for Caterpillar Hydraulic Cylinders

The 1221161 Seal Kit is a hydraulic cylinder seal kit used with Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for the hydraulic cylinder group application identified as CYLINDER GP-HYDRAULIC. The supplied part number information identifies 1221161 as the Caterpillar equipment manufacturer reference number for this seal kit.

Fitment

The seal kit is used on the following Caterpillar equipment models:

• CB-434B
• CB-434C
• CB-534B
• CB-534C
• CB-535B
• CB-544
• CB-545
• CB-634
• CB-634C
• CP-433C
• CP-563
• CS-431C
• CS-433C
• CS-531
• CS-531D
• CS-533C
• CS-533D
• CS-563C
• CS-563D
• CS-573D
• CS-583D
• CW-14
• PF-290B

Fitment is specified for the hydraulic cylinder group on the Caterpillar models listed above. The model designation, including the series letter where provided, should be checked against the machine identification and the cylinder application before installation.

Cross-reference numbers

The numbers 1221161, 122-1161 and CA1221161 are listed as cross-reference numbers for the seal kit. The reference 1221161 KIT-SEAL identifies the part as a seal kit for the applicable hydraulic cylinder group.

Specifications

The available product data specifies the kit type, hydraulic cylinder application, applicable Caterpillar models, cross-reference numbers and weight. Individual seal quantities, seal material, dimensions, cylinder position and included components are not specified.