1S3520 Gasket

1S3520 is a beaded gasket for Caterpillar equipment, including Caterpillar engines, track-type loaders, and track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed in the Beaded Gaskets category and is identified for use with the Caterpillar equipment and engine models specified below. The available product data does not specify the exact installation position, sealing interface, gasket material, or the number of gaskets included in the package.

Fitment

The gasket is listed for the following Caterpillar equipment and model designations:

• Caterpillar 3306 engine
• Caterpillar 977
• Caterpillar 6A
• Caterpillar 6S
• Caterpillar 5
• Caterpillar 6
• Caterpillar D6D track-type tractor
• Caterpillar D6D SR track-type tractor
• Caterpillar D6E SR track-type tractor
• Caterpillar D6G SR track-type tractor

Equipment categories associated with this part are Caterpillar engine-machine applications, Caterpillar track-type loaders, and Caterpillar track-type tractors. The model designations above are reproduced from the available fitment data; confirmation against the serial number and the specific machine configuration is required when several versions of the same model are in service.

Cross-reference numbers

Part number 1S3520 is used as the Caterpillar reference number in the supplied application data and is also the CTP identification number for this gasket. No additional supplier numbers are provided in the available product information.

Specifications

The listed dimensions and weight are product data values. Width and height identify the stated overall package or part dimensions in the source data, while the available information does not define the measurement reference points. Thread specification, bolt-hole arrangement, material composition, operating temperature range, and installation location are not specified.