137-2919 Bushing for Caterpillar Equipment

The 137-2919 is a plain bushing used in the linkage assemblies of Caterpillar excavators and wheel excavators. It supports rotational movement between machine frames, linkages, and work tools. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bushing is identified by Caterpillar equipment part number 137-2919. The component is designed as a steel plain bearing with treated material and machined internal and external features. Its configuration includes cross holes, an inner groove, and an outer groove.

Fitment

The 137-2919 bushing is listed for the following Caterpillar equipment models and series:

• EXCAVATOR
• 315B L
• 315B
• 315B FM L
• 315C
• 318B
• 318B N
• 318C
• 320B L
• 320B N
• 320B S
• 320C
• 320C FM
• 321B
• 322B L
• 3225B LN
• 325B LN
• 330B L
• 330C L
• 330D L
• 345B II
• M318
• WHEEL EXCAVATOR
• M315

Fitment refers to the listed Caterpillar machine models and equipment series. The bushing is used in the linkage area where a cylindrical bearing surface is required for movement between connected machine components. Model configuration, linkage arrangement, and installation position should be checked against the machine parts documentation before installation.

Specifications

The stated dimensions describe the main cylindrical surfaces of the bushing: the inner diameter is 80.25 mm, the outer diameter is 95.18 mm, and the approximate overall length is 80 mm. The cross holes and grooves are part of the supplied component configuration and should correspond with the lubrication and retention arrangement of the applicable Caterpillar linkage assembly.

The product data identifies the component as a single bushing. No additional installation hardware or kit contents are specified. The listed measurements and features should be compared with the removed component and the equipment parts documentation to confirm the required fit before assembly.