4I6721 Pin for Caterpillar Equipment

4I6721 is a headed pin used in Caterpillar excavator assemblies. The pin is listed for Caterpillar 350 L, 350-A, 350-A L, 365B, 365B II, 365B L, and the 365B/L machine series.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The component belongs to the pin assemblies category. Its design includes a puller hole for removal, while no grease passage is specified for this pin.

Fitment

• Caterpillar 350 L excavator
• Caterpillar 350-A excavator
• Caterpillar 350-A L excavator
• Caterpillar 365B excavator
• Caterpillar 365B II excavator
• Caterpillar 365B L excavator
• Caterpillar 365B/L machine series

The listed fitment applies to the excavator models and machine series identified for part number 4I6721. The available product data does not specify the exact installation position or the particular linkage, attachment, or joint where the pin is installed.

Cross-reference numbers

4I6721 and 4I-6721 are the identified number formats for this pin. No additional supplier numbers or replacement numbers are provided in the available product data.

Specifications

The stated diameter and length are provided in inches. The pin has a headed configuration and a hard chrome-plated steel surface. The puller hole is the specified removal aid; a grease passage is not included in the listed design features.

Before installation, the part number and dimensions should be compared with the pin removed from the machine and the service parts information for the applicable Caterpillar excavator model. The available data does not include the pin weight, tolerance values, seal arrangement, retaining hardware, or additional components supplied with the part.