One New Aftermarket Replacement Flexible Rubber Engine Mount Fits Caterpillar (Fits CAT) ExcavatorsThis aftermarket replacement flexible rubber engine mount (isolation mount) secures and cushions the engine within the frame on Fits Caterpillar excavators, absorbing vibration and shock to protect both the engine and surrounding structure. It is a two-piece symmetric design used in the engine mounting group on 3066- and 3116-powered Fits CAT excavator models.Specifications Mount Type: Two-Piece Symmetric Head Outside Diameter: 4.33 in (110 mm) Head Thickness: 1.07 in (27.3 mm) Pilot Outside Diameter: 2.66 in (67.6 mm) Inside Diameter: 0.83 in (21 mm) Mount Height: 1.74 in (44.3 mm) Bonded Sleeve: Yes Standard Bolt Size: M20 Weight: 1.4 lbs Compatible ModelsFits Caterpillar Excavators: 318C, 319C, 320B, 320B L, 320B N, 320B S, 320B U, 320C, 320C FM, 320C L, 321C, 322B L, 322B LN, 322C, 322C FM, 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, 328D LCR, 329D, 329D L, 329D LN, M325B, M325D L MH, M325D MHFits Caterpillar Engines: 3066, 3116, 3126, 3126B, C6.4, C7Replaces Part Number(s):109-9369, 1099369New aftermarket replacement part - not remanufactured, not used.