5I3124 Reduced Outside Diameter Thermoplastic Hose Assembly

The 5I3124 is a reduced outside diameter thermoplastic hose assembly for hydraulic systems on Caterpillar equipment. It is used on the Caterpillar 307B mini hydraulic excavator and the Caterpillar 311B, 312B, 312B L, 313B, 315-A, 315-A L, 317 N, 317-A, 317-A N, 320 L, 320-A, 320-A L, 320-A N, 320B, 320B FM LL, 320B L, and 320B LL excavator models.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The assembly is identified by SKU 5I3124 and is listed for the hydraulic parts category.

Fitment

The hose assembly is listed for the following Caterpillar equipment models:

• Caterpillar 307B mini hydraulic excavator
• Caterpillar 311B excavator
• Caterpillar 312B excavator
• Caterpillar 312B L excavator
• Caterpillar 313B excavator
• Caterpillar 315-A excavator
• Caterpillar 315-A L excavator
• Caterpillar 317 N excavator
• Caterpillar 317-A excavator
• Caterpillar 317-A N excavator
• Caterpillar 320 L excavator
• Caterpillar 320-A excavator
• Caterpillar 320-A L excavator
• Caterpillar 320-A N excavator
• Caterpillar 320B excavator
• Caterpillar 320B FM LL excavator
• Caterpillar 320B L excavator
• Caterpillar 320B LL excavator

The listed fitment applies to the model designations provided for catalog number 5I-3124. Equipment model suffixes should be matched against the machine identification and parts documentation before installation.

Cross-reference numbers

• 5I3124
• 5I-3124

5I3124 is the product SKU, while 5I-3124 is the catalog number format shown for the same hose assembly.

Specifications

The dimensions and weight stated above are the catalog values for the 5I3124 hose assembly. The product name specifies the reduced outside diameter design; no additional hose material, fitting, thread, or included-component information is provided for this part number.