5P6458 NBR O-Ring for Caterpillar Equipment

5P6458 is an NBR O-ring used for sealing fixed and certain moving parts in Caterpillar engine and machine applications. It is manufactured from nitrile rubber with a hardness of 75 Shore A and is used on Caterpillar equipment with 3208, 3304, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, and 3412 engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The O-ring is listed for Caterpillar Engine - Machine applications. The compatible engine models and series specified for this part are:

• Caterpillar 3208
• Caterpillar 3304
• Caterpillar 3306
• Caterpillar 3406
• Caterpillar 3406B
• Caterpillar 3406C
• Caterpillar 3408
• Caterpillar 3408C
• Caterpillar 3408E
• Caterpillar 3412

Fitment is determined by the required O-ring size and sealing application on the specific engine or machine assembly. The model list identifies Caterpillar equipment applications associated with this part number; the exact installation position depends on the assembly being serviced.

Cross-reference numbers

• 5P6458
• 5P-6458

5P6458 and 5P-6458 are the same part number shown with different formatting. The hyphenated form is commonly used in Caterpillar equipment parts documentation and identification records.

Specifications

The sealing ring has a circular cross-section and is specified for use where the dimensions and NBR material correspond to the requirements of the Caterpillar engine or machine assembly. The listed cross-section, inside diameter, and outside diameter describe the ring geometry. The supplied part is identified by SKU 5P6458.