1903524 Bushing-Master Fits Caterpillar Models

One New Aftermarket Replacement Track Master Bushing for Caterpillar (Cat) Excavators

This aftermarket replacement Track Master Bushing (part number 1903524 / 190-3524) is a sealed and lubricated undercarriage component used in the track assembly of Caterpillar (Cat) hydraulic excavators and forestry machines. The master bushing is the keyed link in the track chain that allows the track to be separated for servicing and reinstallation.

Specifications

• Outer Diameter: 60.70 mm
• Weight: approximately 3.9 lbs
• Type: Sealed and lubricated track master bushing

Compatible Models

Caterpillar Excavators: 313D2 LGP, 315B, 315B L, 315C, 315D L, 316E L, 317, 317B LN, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320B U, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, 321D LCR, 322B, 322B L, 322B LN, 322C, 322C FM, 323D L, 323D LN, 323D2 L, 323E L, 324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 326D L, 329D L, 345D L

Caterpillar Mobile Hydraulic Power Units: 323D L, 324D LN, 325D, 329D L, 345C L

Caterpillar Track Feller Bunchers / Forestry: 1090, 1190T

Replaces Part Number(s):

1903524, 190-3524, CA1903524

New aftermarket replacement part - not remanufactured, not used.