1373631 Packing Fits Caterpillar Models

One New Aftermarket Replacement Packing for Caterpillar (Cat) Excavators

This aftermarket replacement packing (part number 1373631) is a hydraulic sealing component used in the hydraulic block assembly on a wide range of Caterpillar (Cat) excavators, wheeled excavators, and mobile hydraulic power units. Packings like this maintain hydraulic pressure integrity within the valve and cylinder block systems, preventing fluid loss and ensuring consistent machine performance on the job site.

Compatible Models

Caterpillar Excavators: 2384C, 2484C, 311B, 312B L, 315B L, 317B LN, 318B, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D2, 320D2 GC, 320D2 L, 322B L, 322B LN, 322C, 322C FM, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325B, 325B L, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 329D, 329D L, 329D LN, 330B, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 330D2 L, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, M325D L MH, M325D MH

Caterpillar Wheeled Excavators: M325B, M325C MH, M330D, W330B, W345B II

Caterpillar Mobile Hydraulic Power Units: 323D L, 323D LN, 324D LN, 325C, 325D, 329D L, 330C, 330D, 330D L, 336D L, 365C L, 385C, 385C L

Replaces Part Number(s):

1373631

New aftermarket replacement part - not remanufactured, not used.