3937949 Seal Kit for Caterpillar Excavators

The 3937949 seal kit is a spare part used in Caterpillar excavator equipment. It is identified for the Caterpillar excavator models and series listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The kit is supplied under SKU 3937949 and is categorized as an excavator seal kit. The available application data identifies the part by excavator model designation; the specific machine assembly or installation position is not provided.

Fitment

The 3937949 seal kit is listed for use with the following Caterpillar excavators:

• Caterpillar 312D excavator
• Caterpillar 312D L excavator
• Caterpillar 312D2 excavator
• Caterpillar 312D2 GC excavator
• Caterpillar 312D2 L excavator
• Caterpillar 312E excavator
• Caterpillar 312E L excavator
• Caterpillar 313D2 excavator
• Caterpillar 313D2 LGP excavator
• Caterpillar 314D CR excavator
• Caterpillar 314D LCR excavator
• Caterpillar 314E CR excavator
• Caterpillar 314E LCR excavator

The model suffixes are part of the listed equipment designations. The fitment information distinguishes standard, long, low-ground-pressure, compact-radius and long-reach configurations where these designations are included in the model name. Compatibility should be checked against the exact model designation and the part number 3937949 before installation.

Specifications

The stated dimensions are 11.8 cm in length, 5 cm in width and 12 cm in depth. The stated weight is 0.5 lb. No material specification, seal composition, thread information, component count or installation position is provided for this part.

Part identification

When identifying the seal kit for a Caterpillar excavator, use the complete part number 3937949 together with the machine model designation. The listed fitment includes 312D, 312D2, 312E, 313D2, 314D and 314E model families, including the configuration suffixes shown in the fitment list.