8N9402 Coupling

8N9402 is a coupling for hydraulic systems and related assemblies on equipment manufactured by Caterpillar. The part is used with Caterpillar engines, excavators, and track-type skidders, including the equipment models and series listed below.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by the Caterpillar reference number 8N-9402.

Fitment

The coupling is listed for use on the following Caterpillar equipment models and series:

• Caterpillar 3304
• Caterpillar 3306
• Caterpillar 330
• Caterpillar 330 L
• Caterpillar 330B L
• Caterpillar 330B LN
• Caterpillar W330B
• Caterpillar 527
• Caterpillar D4HTSK III
• Caterpillar D5HTSK II

The supplied fitment information identifies the part for Caterpillar equipment across engine, excavator, and track-type skidder applications. Model configuration, production version, and the position of the coupling in the hydraulic or mechanical assembly should be checked against the machine parts documentation before installation.

Cross-reference numbers

8N9402 and 8N-9402 are the number formats provided for this coupling. The hyphenated format identifies the same Caterpillar reference used for the part.

Specifications

The stated dimensions are 9 cm in length, 9 cm in width, and 9 cm in depth. The stated weight is 2.11 lb. No additional information about material, thread specification, sealing elements, mounting hardware, or included components is provided for this part.