2P8421 Adapter for Caterpillar Equipment

The 2P8421 adapter is a fluid fitting and adapter component for Caterpillar equipment. The listed applications include Caterpillar articulated dump trucks, asphalt pavers, and the machine models specified below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the number 2P8421 and is listed for use on several Caterpillar machine lines, including articulated dump trucks and asphalt paving equipment. The available equipment data includes the 735 and 740 models, as well as the D350E, D350E II, D400E, and D400E II machine series. The 740 model and the D400E II series appear more than once in the source application data; they are listed once below for clarity.

The same adapter number is used across the listed Caterpillar applications. Before installation, the part number and the adapter dimensions should be compared with the component being removed from the machine, particularly where several machine configurations or production versions are available under the same model designation.

Fitment

• Caterpillar 735
• Caterpillar 740
• Caterpillar D350E
• Caterpillar D350E II
• Caterpillar D400E
• Caterpillar D400E II
• Caterpillar AP-1000D
• Caterpillar AP-1050B
• Caterpillar articulated dump truck equipment
• Caterpillar asphalt paver equipment

The fitment information identifies the adapter for the Caterpillar 735 and 740 models and for the D350E and D400E articulated dump truck series, including the D350E II and D400E II versions. It is also listed for Caterpillar AP-1000D and AP-1050B asphalt paver equipment. The general equipment descriptions are included in addition to the individual model designations because the source data groups these applications by machine type.

Cross-reference numbers

2P8421 and 2P-8421 identify the same adapter in the available product information. The unhyphenated number is used as the SKU, while the hyphenated format is also shown as the part identification used for Caterpillar equipment applications.

Specifications

The stated dimensions are length 5.8 cm, width 4.9 cm, and depth 6.1 cm. The listed weight is 0.2 lb. No material, thread specification, sealing method, connection type, installation position, or additional kit contents are provided in the available product data.