5K9238 Adapter for Caterpillar Equipment

The 5K9238 is a straight fluid fitting adapter used on Caterpillar earthmoving compactors and Caterpillar engine-machine applications. It connects a -8 SAE inverted flare port to a 3/8-18 NPTF port. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The adapter is identified by SKU 5K9238 and is intended for installation in fluid connection systems where the specified SAE inverted flare and NPTF thread configuration is required. The available product data identifies the part as a straight adapter with a plated steel material description. Installation position and the specific fluid circuit are determined by the equipment configuration and service documentation.

Fitment

The adapter is listed for use with the following Caterpillar equipment and engine applications:

• Caterpillar 815 earthmoving compactor
• Caterpillar 815B earthmoving compactor
• Caterpillar 3116 engine-machine application
• Caterpillar 3126 engine-machine application
• Caterpillar 3126B engine-machine application
• Caterpillar 3176C engine-machine application
• Caterpillar 3196 engine-machine application
• Caterpillar 3204 engine-machine application
• Caterpillar 3304 engine-machine application
• Caterpillar 3306 engine-machine application

Fitment is listed by equipment model and engine-machine application. Before installation, the existing fitting should be compared with the adapter configuration, thread sizes, connection type, and available installation space.

Cross-reference numbers

The part is identified under the following number formats:

• 5K9238
• 5K-9238

Specifications

The supplied dimensions are recorded separately from the adapter length and hex size in the product data. The adapter has no additional components specified as included with the part.