4I6443 Head Wear Ring for Caterpillar Equipment

The 4I6443 Head Wear Ring is an engine component used with selected Caterpillar work tools and excavators. It is identified by the Caterpillar equipment part number 4I-6443 and is supplied as a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The fitment information below covers the Caterpillar equipment models listed for this part number. Model designations are shown as specified for the applicable work tool and excavator series.

Fitment

• Equipment brand: Caterpillar
• Equipment category: Work tools
• Work tool models: CR35, S40, S50
• Equipment category: Excavators
• Excavator models: 350-A, 350-A L, 365B, 375-A, 375-A L, 5080, 5090B

The listed work tool and excavator models represent the application data available for the 4I6443 head wear ring. The part should be identified by matching the equipment model and the applicable part number before installation.

Cross-reference numbers

• 4I6443
• 4I-6443

4I6443 and 4I-6443 are the number formats shown for the same head wear ring. The hyphenated and non-hyphenated formats are included for parts identification and catalog matching.

Specifications

The dimensional data for this head wear ring is provided in both inch and metric units where available. The groove width and groove diameter include the stated tolerances and should be checked against the dimensions of the corresponding Caterpillar assembly during parts identification.