4M0660 O-Ring for Caterpillar Equipment

The 4M0660 O-Ring is a nitrile sealing ring used in Caterpillar articulated dump trucks and asphalt pavers. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

This part is identified by SKU 4M0660 and is listed for use on the Caterpillar equipment models specified below. The Caterpillar name refers to the manufacturer of the equipment on which the O-ring is installed.

Fitment

The O-ring is used in the following Caterpillar equipment categories and models:

• Caterpillar articulated dump trucks
• Caterpillar asphalt pavers
• Caterpillar 735
• Caterpillar 740
• Caterpillar D350E II
• Caterpillar D400E II
• Caterpillar AP-1050B
• Caterpillar AP-650B
• Caterpillar AP-900B
• Caterpillar BG-225C

Fitment should be checked against the equipment model and the part number currently installed before ordering or installation. The listed models include both articulated dump truck and asphalt paver applications, so the correct application depends on the machine configuration and the location of the sealing ring.

Cross-reference numbers

The following designations identify the same part number:

• 4M0660
• 4M-0660

Part number 4M0660 is the SKU of this O-ring. The designation 4M-0660 is an alternate formatting of the same number shown in the product data.

Specifications

The specified material is NBR, also known as nitrile rubber. The dimensional data provided for this part includes a 0.5-inch cross-section diameter and a 10.43-inch inner diameter. The product data also lists length, width, depth, and weight values for the item.