9S3068 Ring Set

The 9S3068 piston ring set is used in Caterpillar equipment and engines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by the Caterpillar reference number 9S-3068.

Fitment

The ring set is listed for the following Caterpillar machine models, engine applications, and equipment series:

• Wheel-type skidder: 528.
• Wheel-type loader: 930, 966C, 980B.
• Wheel tractor-scraper: 627, 627B, 637, 637B.
• Earthmoving compactor: 815, 816.
• Marine products: 3304, 3306, D330C, D333C.
• Wheel dozer: 814.
• Motor grader: 12G, 120, 12F, 140, 140G, 14E, 14G.
• Truck engines: 1673C, 1674, 3306.
• Track-type tractor: D5, D6C, D7F, D7G.
• Pipelayer: 561C, 571F, 571G, 572F, 572G.
• Industrial engines: 1673C, 3304, 3306, D330C, D333C.
• Excavator: 235.
• Engine-generator sets: 3304, 3306, SR4.
• Track-type loader: 977K.

Fitment should be checked against the machine serial number and the engine configuration before ordering, because the same Caterpillar model designation can be used across different production versions and applications.

Cross-reference numbers

9S3068 and 9S-3068 identify the same ring set reference in the supplied product data. The hyphenated number is the listed equipment-part reference, while 9S3068 is the SKU format used for this product.

Specifications

The supplied dimensions are recorded as product-data measurements and are presented in their original units. The product data does not specify the number of rings in the set, ring thickness, bore diameter, material, coating, or installation position. These parameters should be verified from the engine specifications or the applicable parts documentation before installation.