4F7387 O-Ring for Caterpillar Equipment

4F7387 is a standard O-ring used in Caterpillar earthmoving compactors and Caterpillar engine-machine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The listed application covers Caterpillar equipment fitted with the specified sealing size and includes the 826C earthmoving compactor model and Caterpillar engine applications from the 3304, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E and 3412 series. The part is supplied as an individual black O-ring.

Fitment

• Equipment manufacturer: Caterpillar
• Equipment type: Earthmoving compactor
• Equipment type: Engine-machine application
• Model: Caterpillar 826C
• Engine model: Caterpillar 3304
• Engine model: Caterpillar 3306
• Engine model: Caterpillar 3406
• Engine model: Caterpillar 3406B
• Engine model: Caterpillar 3406C
• Engine model: Caterpillar 3408
• Engine model: Caterpillar 3408C
• Engine model: Caterpillar 3408E
• Engine model: Caterpillar 3412

Fitment is listed for the Caterpillar models and equipment categories above. The O-ring dimensions and SAE AS568 dash size are provided below for identification and application matching.

Cross-reference numbers

• 4F7387
• 4F-7387

4F7387 and 4F-7387 are the listed number formats for this O-ring. The hyphenated form identifies the same part number in the supplied application data.

Specifications

The specified inner diameter, outer diameter and cross-section diameter describe the O-ring size. The NBR material designation identifies the compound as nitrile rubber with a hardness of 75 Shore A. No coating is specified for this part, and the supplied colour is black.