5I7790 Piston Ring Set for Caterpillar Equipment

The 5I7790 piston ring set is used in Caterpillar excavators and wheel loaders listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The set is identified by the part number 5I7790 and its hyphenated form 5I-7790. The application data includes Caterpillar excavator models from the 311, 312, 320 and 321 series, as well as the Caterpillar 910G wheel loader.

Fitment

The piston ring set is listed for the following Caterpillar excavator models:

• 311-A
• 311B
• 312-A
• 312B
• 312B L
• 320 L
• 320-A
• 320-A L
• 320-A N
• 320B
• 320B FM LL
• 320B L
• 320B LL
• 320B LU
• 320B N
• 320B U
• 321B

The piston ring set is also listed for the following Caterpillar wheel loader:

• 910G

Fitment is specified by the machine model designations shown above. The suffixes and model variants are retained because they identify separate Caterpillar equipment configurations in the supplied application data.

Cross-reference numbers

5I7790 and 5I-7790 refer to the same piston ring set identification in the supplied parts data. The number 5I-7790 is the Caterpillar equipment manufacturer reference associated with this application.

Specifications

The listed dimensions and weight describe the supplied product data for the 5I7790 piston ring set. No additional dimensions, ring material, thread information, installation position, or individual ring count are specified in the available data.