3K1629 Retaining Ring

Retaining ring for Caterpillar equipment, used in Caterpillar engines, machines, and wheel tractor-scrapers. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 3K1629 and is listed for use with the Caterpillar equipment models and machine series specified below. The product category is transmission seal rings.

Fitment

The 3K1629 retaining ring is used on the following Caterpillar equipment:

• Caterpillar 3408 engine and machine applications
• Caterpillar 3408C engine and machine applications
• Caterpillar 3408E engine and machine applications
• Caterpillar C15 engine and machine applications
• Caterpillar C18 engine and machine applications
• Caterpillar 657E wheel tractor-scraper
• Caterpillar 657G wheel tractor-scraper
• Caterpillar 631E wheel tractor-scraper
• Caterpillar 631G wheel tractor-scraper
• Caterpillar 633E II wheel tractor-scraper

Fitment is specified for Caterpillar engine and machine applications as well as Caterpillar wheel tractor-scraper applications. The retaining ring is listed for the model designations above; the exact installation position may depend on the machine configuration and component assembly.

Cross-reference numbers

• Caterpillar part number: 3K1629
• CTP part number and SKU: 3K1629

The number 3K1629 is used to identify the retaining ring in the supplied equipment-part and aftermarket-part data. Verify the number against the existing component or parts documentation before installation.

Specifications